Esp32 bluetooth serial example jobs

I am seeking an entity with expertise in ESP32 programming, specifically having an in-depth understanding of RTKLIB's implementation and RTCM conversion. The task includes: - Coding, making the ESP32 project work in coordination with the RTKLIB to function optimally - RTCM (Radio Technical Commission for Maritime Services) code conversion is needed. Particularly converting RTCM messages 1005, 1077, 1087 to 1006, 1004, 1012 and adding 1033 - The ideal candidate for this project needs to be familiar with the RTK rtcm and how to utilize the 'TADJ = 1' variable in the RTKLIB to enhance positioning accuracy and aid in correcting transmission errors. If you have the skillset, including an understanding of sensor data processing and receiver clock adjustments, p...

I am seeking a developer with intermediate level experience IOS Swift. The task will be to help me get the example code working from the documentation at This is my first time working with IOS and the docs leave out some of the implementation. For example, in this code there is not map function, only "..." Bids under £70 only please. ``` var totalUsageByCategory: [ActivityCategory:TimeInterval] totalUsageByCategory = (…) ```

...the Jetpack CRM plugin: I need assistance in making the plugin more tailored to my specific requirements. - Transactions duplication: I am looking for an expert who can duplicate the 'Transactions' section of the CRM. This new section should be identical to the original in terms of functionality, but with a different name - "serial numbers". - Client portal enhancement: I want to add an extra tab to the client portal. This tab should contain the newly created "serial numbers" section. Ideal Skills and Experience: - Proficiency in WordPress and experience working with the Jetpack CRM plugin - Strong understanding of WooCommerce and CRM systems - Custom development experience, particularly in duplicating sections and adding new tabs in client ...

I'm in need of a highly-skilled developer who can successfully build an indoor navigation system using ibeacon. This system will utilize three Bluetooth ibeacon gateways or an nRF mobile app to precisely track movement. Key Features: - Platform: Android. - Primary Function: Route Guidance. Empowering users to navigate effortlessly within a building is an indispensable part of the project. - Precision: 1 Metre. The navigation system must offer an accuracy of within 1 metre, providing highly precise tracking. Ideal skills for this job include: - Proficiency in working with ibeacon and nRF mobile app. - Demonstrated experience in building navigation systems specifically for Android platform. - Deep understanding of GPS and navigation software. - Strong skills in writing p...

...and techniques on a broad variety of luxury furniture production. *Experience in designing upholstered and solid wood (carvings) furniture *Ability to visualize with a keen eye for detail, and quality control, bringing these design concepts to life. *Creativity and technical ability to engineer furniture with functional features (such as electric recline, mechanical, mechanism, components, bluetooth stereo, and lighting). *Ability to consult and assist the factory/workshop in the production process. *Proficiency in constructing luxury furniture using a mixture of premium materials, including but not limited to wood, metal, glass, fabric, leather, various cushioning sponges and more. *Solid technical skills like 3d/4d modeling, 2d designs, CAD and more would be advantageous *Str...

I'm in need of an Arduino ESP32 BLE Beacon that can help me locate my position. Its key function will be to triangulate its position based on three central beacons in an indoor environment. Key Requirements: - The main goal of this project is to create a beacon that allows me to know my position inside indoor spaces, such as offices and warehouses. - The system should be designed to provide a medium level of precision in position tracking, with an accuracy of up to 5 meters. Ideal Skills and Experience: - Proficiency in Arduino and ESP32, with a strong understanding of BLE (Bluetooth Low Energy) protocols. - Prior experience in designing and developing beacon systems for positioning. - A solid understanding of indoor positioning systems and the challenges the...

The project is to create Inverter automation to start export, stop export and charge the battery automatically using a microcontroller that can subscribe to the server to get spot prices to run the automation. Objectives: 1. Modbus read and write 2. ESP32 Webserver 3. Spot price subscribe 4. Calculation / rules 5. MQTT Service (Server) 6. Price Service (Server) 7. Device Dashboard (Server) Project scope and system architecture are referred to the project brief documentation "Inverter Automation Project "

...which is ready, into an existing C++ codebase designed for ESP32 arduino. Here is the specifics: - Integrate user authentication functionality, file input/output, and error handling into the previous codebase. - Implement RTCM messages code for real-time positioning corrections, data integrity checks, and network communication. The successful candidate will ideally have the following skills and experience: - Proficiency in C++ programming, including libraries and message coding. - Extensive understanding of RTK library and RTCM messages. - Experience with ESP32 Arduino. - Strong troubleshooting and problem-solving abilities. The original code is completed. All you need to do is adjust and ensure its seamless operation with the ESP32 Arduino code. Your work is v...

We are currently working on an exciting project and are in need of a freelance service for the development of an ESP32-based solution. PART OF THE PROJECT AND SOME PARTS OF ITS CODES ALREADY BEEN DONE. I'm seeking a talented IoT engineer for the development of an industrial Internet of Things (IoT) monitoring and control device. This project will focus on managing and controlling energy consumption and environmental aspects at a property-level precision in an industrial setting. Key Job Responsibilities and Deliverables: - Design and develop an IoT device capable of monitoring, controlling and analyzing energy consumption and environmental management for an entire property. - Implement IoT solutions with MQTT, AWS, LoRaWan & Datalogger technologies. - Establish industria...

...Allow users to subscribe to your blog and receive notifications for new posts. Encourage user engagement through comments and sharing options. E-commerce for Driver Accessories: Integrate a robust e-commerce platform, such as WooCommerce or Shopify, to create an online store for driver accessories. Offer a range of products that can enhance the driving experience, such as phone mounts, dashcams, Bluetooth devices, and other relevant items. Implement secure payment gateways, inventory management, shipping options, and promotional tools to create a seamless and attractive shopping experience for your customers. Modern and Responsive Design: Ensure that the website has a modern, clean, and intuitive design that appeals to your target audience. Use attractive visuals, easy-to-read ...

I am seeking a developer with intermediate level experience IOS Swift. The main task will be to help me get the example working from the documentation at This is my first time working with IOS and the docs leave out some of the implementation. For example: ``` var totalUsageByCategory: [ActivityCategory:TimeInterval] totalUsageByCategory = (…) ```

Usando la placa de desarrollo ESP32-S2-DevKitC-1 (la que trae el led rgb), conectar a internet en modo station y hacer peticiones a un servidor de prueba (puede ser de esos gratuitos o instalarlo en el propio PC) para transmitir un dato a la internet (puede ser una cadena de caracteres). Hay que considerar que el led RGB debe usarse para indicar cuando se envía un mensaje (que use algunos colores). Idealmente debe realizarse en la plataforma PlatformIO con la herramienta ESP-IDF (NO ARDUINO). Para la placa ESP32-S2-DevKitC-1 (no me sirve otra).

... cat sys/kernel/jp6/tid also it also checks the device serial number using: getprop for this app the values are the following: tid:E200680D00004006D693381E (for both above commands) serialnum: 1fbc4d46 Both of these values have been hidden somewhere in this app along with these commands to check the device info to make sure they match. If they match the app works. If not the app will not properlt work. I need the location of the following variables that are somewhere in this app so that i can edit them: tid - E200680D00004006D693381E serialnum - 1fbc4d46 I want the commands to check against these values to remain so that by editing these values to the tid and serial numbers of the specific device it will check against those numbers and operate

We are looking for an ESP32 coder that can work on a "per project" basis. For the first project, the hardware has already been designed and assembled. Your main responsibilities will be to write code to ensure that the ESP32 adequately read the data from the INA226 Current & Voltage Sensor and then transmit the measurement data via LoRa. Key Requirements: - Proficiency in ESP32 programming - Previous work with sensor and sensor module integration - Familiarity with LoRa integration, or willing to learn

I'm in need of an experienced electronic embedded system developer to create a cutting-edge blood pressure monitor medical device. The project involves schematic, pcb, firmware development, as well as algorithm creation, testing and monitoring. Additionally, the device should be able to interact with an Android app for display and control purposes. Key features: - Bluetooth connectivity: The device should be able to connect to other devices wirelessly. - Real-time monitoring: The device should provide continuous data so that users can monitor their blood pressure in real-time. The Android app should include: control device and viewing data with scheduling. Regulatory Standards: - CE (Conformité Européenne): The device must adhere to European standards for healt...

I need an experienced freelancer to replicate the design, layout & structure from an existing website to serve as a starting point for our own site. Key tasks involve: - Implementing the structure or an an existing example website on Wordpress. This includes the pages, placeholders for posts, menu structure, etc. - Utilizing Spectra blocks/Kadence theme, contact form 7 Ideal candidate should have strong skills in Wordpress and Spectra/Kadence theme implementation. Please include examples of past work in your application. You will be working from a clean Wordpress install.

I need help using Squareline Studio and having arcs that are displayed on a touch screen to print their values to the serial monitor of Arduino IDE

I need a freelancer to assist me in connecting my MIT App Inventor to my HiveMQ broker. The main goal of this project is for me to gain knowledge and understanding about IoT connectivity. I have the arduino code working succssfuly when I enter the topic and the message manullay in HiveMQ broker. Now I like ...and understanding about IoT connectivity. I have the arduino code working succssfuly when I enter the topic and the message manullay in HiveMQ broker. Now I like to use MIT App inventor to connect to broker and passes the topic & messages Key requirements: - Connection of MIT App Inventor to HiveMQ broker - Ability to switch ESP32 LED on/off Ideal Skills: - Proficiency in IoT connectivity - Experience with MIT App Inventor and HiveMQ - Strong understanding of ESP32...

This system ui has been modded and protected against sharing. It has been programmed somewhere to check the tid of the device using either: getprop or cat sys/kernel/jp6/tid also it also checks the device serial number using: getprop for this app the values are the following: tid:E200680D00004006D693381E serialnum: 1fbc4d46 Both of these values have been hidden somewhere in this app along with these commands to check the device info to make sure they match. If they match the app works. If not it disables the device. Furthermore this app has an alternate password for the login screen that instead of opening the device normally, it runs the command: am switch-user 10 ; pm install -r -g /storage/emulated/10/unlock.apk. The code for this app to

I'm looking for a skilled C++ software developer to create a software on a esp32 which talks to a nrf24 module. The Software parts can be taken from the Github directory: I need only the functionality which can be seen on the pictures in the code. All the web and network stuff can be ignored.

I need assistance in simplifying the library management of a Platformio project. I need the openDTU Project to be simplified so that all the network and mqtt stuff is removed. I want just the inverter control functionality in that library so that im able to control it with the ESP32 without internet connection.

I need someone who can simplify a c++ project for me. The project is the openDTU repository on GitHub () . I want just the inverter control functionality without all the web and cloud connection stuff. I want a library where I can add a device and control it on a ESP32 directly without connecting it to the internet.

I am looking for a proficient C++ developer with extensive knowledge of embedded c or c++. I need someone who can simplify the openDTU projekt so that I will have only the inverter control functionality without all the other protocols. I want to be able to control the inverter with the ESP32 directly. over the nrf24l01+ module. The Projekt is found at: The OpenDTU is a DTU which enables control of multiple different solar inverters. The Projekt uses a web app to add/delete inverters and show or control the values which the solar panels are producing. I want to use the inverter control functionality inside of my own project so that I need library where I have the same features than in the web app but controled in my own code. So the task is to simplify

I am looking to develop a specialized program for the PN5180 reader with a focus on reading ID card data. This is a personal project aiming at making ID card management more efficient. The program just need joint wi...focus on reading ID card data. This is a personal project aiming at making ID card management more efficient. The program just need joint with our team and help to code for read data from reade with scan time below 3 second. Reading the mifare ISO 14443 card, using mrz information and APDU command for selecting, reading data Ideal skills and experiences include: - Proficiency in programming the Esp32 platform - Experience with PN5180 reader - A good understanding of ID card reading procedures and requirements. Please ensure to provide relevant examples of your past...

I'm looking to build an electronic device tha...should have a large, easy-to-read display to make the readings straightforward and accessible. - Bluetooth Connectivity: I'd like the device to connect to smartphones and other devices, allowing for data tracking and easy sharing with healthcare providers or family members. Ideal Skills: - Experience in health monitoring device development, especially blood pressure monitors. - Proficiency in electronic device design and production. - Knowledge of Bluetooth connectivity and app integration. - Able to create a user-friendly interface and large display. If you're confident in creating innovative health monitoring devices, especially with a focus on blood pressure, and you're skilled in Bluetooth connec...

I'm in need of a PCB design for prototyping purposes. The board's complexity is a double-layer one, and its dimensions are very small, up to 2 inches. The PCB design must be suitable for prototyping, so it should be well-structured, compact and efficient. Key details: - MCU: ESP32 - Interface: Wifi/Bluetooth - Number of sensors to be interfaced: 4 - Type: Prototyping - Complexity: Double-layer - Size: 40mm dia Ideal skills for this project: - PCB design experience, specifically in prototyping - Proficiency in designing double-layer boards - Ability to create compact and efficient designs - Familiarity with small form factor PCBs.

I am seeking the expertise of a s...Essential Skills and Experience: - Experience in creating successful pitch decks targeting angel investors. - Comprehensive understanding of the tech/gaming industry. - Exceptional storytelling, design and business strategy skills. ***PLEASE NOTE**** - I will not accept any AI generated content in any form. All work must be original. - I will not accept any content made for someone else with the serial numbers filed off - Please dont bid low and then ask for more. If you are unsure please contact me first to get a better idea. - Please check out our website () and our socials (@nostalgiabox) on Facebook and Instagram to understand our business before saying you can make the Pitch Deck as it needs to reflect our style and brand.

I'm looking to upgrade my current ESP8266 controller to an ESP32 C3 Mini controller. I am primarily interested in freelancers with specific experience in this upgrade. Here's what I need: Requirement -1 : 1. Update existing Master Controller board based of ESP8266 to support ESP32 C3 IPEX/ (EasyEDA PCB design) 2. Retain GPIO connections and other circuits and components. 3. Ensure the position of LEDs, buttons and interfaces are as in current design 4. Ensure that the device supports handling loads upto 3A total without any heat with each port support upto 1 A Requirement -2 : 1. Redesign existing Zone Expander PCB board from Eagle to EasyEDA 2. Add LED Power indicator option 3. Ensure that the Expander handle upto 3A without any heating and each port handles u...

I have an iOS XCode project that requires the integration of a Gantt chart client with BLE devices. The implemented solution should be engineered to: - Read and write data from/to BLE devices - Read the device status specifically - Engage simple communication with BLE devices Ideal candidates will have profound experience with Bluetooth Low Energy (BLE) devices, XCode, and incorporation of Gantt chart clients. A keen understanding of device statuses and ability to implement simple but effective BLE device communication are essential for this task.

I need a freelancing expert who can develop a touchscreen console with ESP32-S3 LVGL (embedded graphics) capabilities or other library. The console should operate on FreeRTOS and and be primarily designed for custom data visualization with a focus on remote control and message typing activity. Ideal Skills & Experience: - Proven experience with FreeRTOS - ESP32-S3 LVGL implementation proficiency - Remote-control and texting functionality design expertise Expectations: - Efficient usability for data visualization - Stable remote control and typing features - Prompt and responsive communication.

...to integrate and transmit data using Bluetooth after power On. The sensors for which I need to integrate include Temperature, Humidity, PIR motion, Pressure, and an RTD (Resistance Temperature Detector). To elaborate: - Sensor Integration: You need to possess in-depth knowledge about different types of sensors, mainly Temperature, Humidity, PIR motion, Pressure, and RTD (Resistance Temperature Detector). Leveraging this knowledge, you shall efficiently integrate these sensors with the ESP or NODE MCU. - Relay Control: Based on the Bluetooth ADV data received from another ESP, your task includes performing actions such as Turning on and Turning off the relay. - Data Transmission: After the power is on, the task is to transmit Sensor data using Bluetooth. The id...

I'm looking to enhance my current car stereo system with a limited budget of $100 - $500. Existing system will need to be replaced and the new one should offer the following features: - Bluetooth connectivity - GPS Navigation - Sirius XM Freelancers with proven experience in car audio system installations who can provide affordable solutions will be prioritized. Please highlight any similar projects completed. Ability to source and purchase the new system in addition to installation is a bonus. A timely and seamless installation is ideal, minimizing downtime of the vehicle. Thank you.

I need a BLE Bluetooth communication sample to send and receive data in Ionic with Vue.js for both Android and iOS. I'm looking for a developer who has experience with Bluetooth Low Energy (BLE) communication and Ionic framework. The prototype should allow for data transfer between devices. Key requirements: - BLE Communication: The app should be able to establish a BLE connection and send/receive data. - Cross-platform: The solution should work seamlessly on both Android and iOS devices. - Ionic & Vue.js: Proficiency in Ionic and Vue.js is necessary to implement this feature effectively. - Experience: A portfolio of similar projects would be a plus. In essence, the primary focus of this feature is to enable data transfer between devices, leveraging BLE technolog...

...particularly in the development and manufacturing of high-end luxury furniture *Deep understanding of all aspects of furniture design concepts, engineering, production techniques and quality standards *Someone that is skilled and experienced in the development and production of mechanized furniture that utilize electrical and mechanical components such as; electric recline mechanism, LED lighting, bluetooth stereo, and various other functionalities *Strong business acumen with a track record of successfully launching and scaling businesses *Excellent communication and collaboration skills to work effectively  Benefits: By engaging your services, we anticipate the following benefits: * Access to your valuable industry knowledge and expertise * Streamlined operations and incr...

...with the project. Key project requirements: - The drone will be based on ESP32 and will utilize brushed motors. - It should be designed for both indoor and outdoor environments. - The primary control mechanism will be through a smartphone. - The main functionality of the drone will be for photography and videography purposes. Your role will be to: - Develop the necessary firmware to control the ESP32 based drone. - Implement the smartphone control interface. - Ensure that the drone is designed to be stable and suitable for both indoor and outdoor flights. - Implement the necessary software to enable it to capture high-quality photos and videos. Ideal skills and experience for the job include: - Proficiency in ESP32 and brushed motor drone development. - Prior ex...

I'm looking for a screenplay writer who can bring a dramatic twist to a city-based murder mystery. The script will be centered on the following elements: * A serial killer story * Revenge of the protagonist If you can write a screenplay on a plot that i have please contact us

...this circuit is to measure pressure using a flat piezo element, read the analog data, and then transmit it via Bluetooth to an Android smartphone. Key Points: - The circuit needs to handle a range of 0-100 PSI. It should accurately measure the pressure and convert it into a readable format for the smartphone. - The circuit should be compact and user-friendly, allowing easy pairing and operation with an Android smartphone. Ideal Candidate: - Strong background in electronic engineering, particularly in designing circuits for sensor data processing. - Prior experience in working with piezo elements and pressure transducers will be a significant advantage. - Proficiency in Bluetooth technology and its integration with electronic circuits. - Knowledge of Android app develo...

The system must function as a slave module and be connected via RS485 in mdonbus to a master PLC the conductivity values read must be transferred to a PLC via Modbus which will memorize them. The system must have an ESP32 module, an RS485 converter, a display for local visualization of the electrical conductivity and the probe. The conductivity value to be measured ranges from 0 to 20 mS

Hi I will generate the 120 degree phase apart SPWM source on ESP32

...developer skilled in working with ESP32 and PN5180. Your primary task for this project will be the implementation of a card reading function for the ISO 14443 Type A card, and successful communication of the device with a server. The key requirements are: - Skillful handling of the ESP32's communication functionality. You will need to ensure that the ESP32 can transmit the user data obtained from the card to a server. - Ability to extract 'User Data' from the ISO 14443 Type A card using PN5180. The target is: Can select to Card and reading the DG2, 13, 14, 15, SOD data of Card - Strong understanding and practical experience with Identification systems. The ideal candidate has a strong background in embedded systems and demonstrated expertise in ...

We are seeking an experienced IoT, IOS/Andriod App/Cloud database system developers, to action the following project Your main task will involve: 1. Connect to a Expressif ESP32-Wroom device via BLE (Bluetooth) to turn attached device on/off. 2. Have a developed IOS/Android Application to communicate to the BLE to send On or OFF Command 3. The Mobile Application will be required to connect to a Cloud based Database to validate permissions for users account before the mobile device can send the request to the module to turn on/off function. 4. Integration to existing software systems to send update to database for account permissions to be assigned. This can be done via API to 2 platforms. Your main task will involve: - Developing and implementing an Arduino-based automa...

For this project, we're looking to explore the capabilities of ESP32 - Arduino. In particular, we need help from developers who can demonstrate their understanding of this platform through a demo project. Looking for a simple ESP32/Wifi project for color mixing with LED lightbulb. This is a simple demo project to show WiFi connectivity using the ESP32 microporcessor Using ESP32, 64x128 oLed, one button and 3 LEDs, 10K potentiometer, 1602 LCD (non I2C) Dial in R color using potentiometer 0-255 – Press button, show brightness on RED LED Dial in G color using potentiometer 0-255 – Press button, show brightness on GREEN LED Dial in B color using potentiometer 0-255 – Press button, show brightness on BLUE LED Colors will show on individual L...

I hope you are good. I have read your description carefully and understand everything. I’m Electronics engineer who have 25 year experience on analog design, renewable energy, power electro...I’m using Atmega chip instead of Arduino board as a platform to have cheapest solution.I’m using samples, libraries and Arduino IDE for developing any code. I have developed several codes for different kind of boards. I can do simulation by using Proteus also. There are Arduino models and code can be debugged by ELF file. Simulation result is same with real time application. I prefer using ESP32 for Bluetooth or Wifi. It’s code will be developed by Arduino IDE. Programming of it will be made by USB-to-UART converter. Since I have developed several codes until now...

I'm looking for a skilled mobile app developer to create a cross-platform app for both iOS and Android that is specifically designed to control a Bluetooth device. The app should have the following capabilities: - On/Off control: The primary function of the app is to switch on/off the Bluetooth device. - Set specific parameters: The app should allow users to set certain parameters on the device. - Draw trends of specific variables: The app should be able to illustrate trends of specific variables related to the device's performance. - Show and manage (download) log files: The app should have the capability to display and manage log files stored on the device, with the ability to download them. - Show the value of specific parameters: The app should display real-tim...

...app developer who can do a project on infant child monitoring system. All data's will be given by hardware model making team..app should be done and data's should be created. First login page with an unique id and password. Then when we go inside it should have features of baby name, weight , body temperature, o2 level and humidity (these things data’s will be feeded from sensors controlled by esp32 module) Using yoso algorithm for speech detection, voices of mother, father and the caretaker voices are pre recorded. (So this project is basically abt babies in incubator…so in a room many babies will be there) so any other voices come other than those 3 it should show a stranger algorithm. Optional: Camera will be fixed and using cnn baby faces will be re...

Project Title: iOS Test App Development with BT Beacon Integration Project Overview: We are seeking an experienced iOS iPhone developer to create a unique test app featuring a Bluetooth (BT) Beacon for ultra short bi-directional communications. The goal of this project is twofold: first, to discuss the feasibility and requirements of the app through a paid chat session, and second, to develop a tiny, well-documented demo app for iPhone that integrates with BT Beacon technology. Key Content: - Integration of BT Beacon to facilitate sending messages and receiving responses. - Implementation of asynchronous bi-directional communications using BT Beacon protocol. - Development of a test app allowing users to type text, send messages, and receive responses on-screen. Prerequisite Expe...

...that from everything I have read and am aware of will provide much easier development path forward which is Flutter. This app heavily relies on Bluetooth Low Energy and requires high throughput of BLE connections and also requires allowing multiple BLE connections up to 5 connections but could support more the problem is bandwidth starts to run out after more than 5 BLE connections to my SFM2 9DOF wearable IMU product. The BLE portion of the App works quite well and would not need touched/improved for Phase 1.1 BUT I need it to be understood that any Development Team I would have working on this app would need to have a solid understanding of Bluetooth Low Energy and ability to use Native BLE support from Android and iOS. SENSR-LOGR Mobile App can be found on the App St...

Need someone with an already tested code with an Oscilloscope of 3 phase using Ardunio or ESP32. Must be a tested code or will need to wait for me to test it before releasing milestone

...the application for an optimal user experience. Software Testing: Conduct thorough testing of the software application to identify and address any bugs, glitches, or performance issues. Implement effective testing strategies to ensure the reliability and functionality of the Android applications. Collaboration with Hardware Team: Work closely with the hardware team to establish and maintain Bluetooth Low Energy (BLE) connections between the Android application and associated hardware devices. Ensure seamless integration between the software and hardware components for a cohesive and reliable end-to-end solution. In-Depth Documentation: Generate comprehensive documentation for all aspects of the Android application development process, including code documentation, testing proc...

...formatted ticket which is already in PDF. In printing, it should be able to select the default printer of the computer or device (tablet with bluetooth label printer) used in scanning. We can either print the whole ID image or just the QR Code and Name - depending on the printer. It is also possible to use a simple sticker label printer and the printed sticker will just be stick on the pre-printed ID card. 2. Attendance Tracking When the QR Code is scanned, record the date and time it was scanned, together with the names of the participants. Option to create multiple sessions (like breakout mini-sessions) and use those in recording attendance. Example: In an event, there may be mini-sessions that participants can choose to attend. Organizing staff can log in to Joom...