F107 stm32 jobs
As discussed, this is the direct hire for the project. I will repost the details once you have accepted the job.
...components. All boards you design shall have evluation board quality. It means that they will not actually go into real components and be used for internal purposes only. Ideal Skills: - Extensive experience in PCB and hardware design, including power supply, FTDI, UART, CAN, SPI/QSPI and I2C - Microcontroller and Microprocessor layout experience, especially industry-grade controllers like NXP, STM32, Renesas and Raspberry Pi CM - Knowledge about signal integrity, EMC and good design practices in general Requirements - all parts must be available and recommended on Mouser or Digikey - no China replicas - all design must take place in KiCAD - you will need to hand over all design files necessary for the project, including symbols and footprints - moe License - all design rights...
I'm seeking a skilled PCB designer with experience in IoT devices. The task is to design a compact PCB (4x3cm or smaller) incorporating the STM32 microchip for UART, SIM800L (GSM), and NEO-6M (GPS). The design should also accommodate a buzzer, mini LEDs, and USB-C charging, with provisions for battery integration (details to be finalized). Key Tasks: - Optimize the antenna design for GSM and GPS to ensure the best performance. - Create compact and efficient layouts that can withstand the rigors of a prototype. - Transition existing code from ESP32 to STM32. Key Considerations: - The primary focus of the PCB design is compactness. The smaller the PCB, the better. - The IoT device will be powered by a rechargeable battery, so consideration for this power source is cruci...
I'm looking for an experienced software engineer to develop control software for my RGB LED project using the TLC5955 and STM32F...control software for my RGB LED project using the TLC5955 and STM32F411. I have the PCB ready, and the software needs to be written in stm32CubeIde. Key Responsibilities: - Develop software for individual control of RGB LEDs - Implement features including color changing effects, brightness control, and predefined patterns The ideal candidate for this project should have: - Extensive experience with STM32 programming - Proficiency in using stm32CubeIde - A good understanding of controlling RGB LEDs - Ability to create engaging and smooth color changing effects and brightness adjustments Please note that the software needs to allow individual contr...
I'm seeking an expert in STM32 and SIMA7672S to set up a web server on the SIMA7672S with STM32, accessible via a public static IP address. The server needs to serve static files such as HTML and JSON, while also handling real-time system status updates. Key Responsibilities: - Configure the STM32 to serve static web content and handle real-time system status updates. - Enable the STM32 to process query/response data to a serial device. Skills and Experience Required: - Deep understanding of STM32 and SIMA7672S. - Proficiency in STMcubeide IDE. - Previous experience in setting up web servers on STM32 based systems. - Familiarity with AT commands and the manual of the SIMA7672S. - Ability to configure for real-time data updates. The ideal ca...
I'm seeking an experienced EMV low-level firmware developer for a project involving an STM32 application. The primary purpose of this application is to read Contactless cards using a PN5180 chip. Key Responsibilities: - Develop firmware that supports card reading and authentication. - Implement robust error handling and logging mechanisms. Ideal Skills: - Extensive experience with EMV firmware development. - Proficiency in working with STM32 microcontrollers. - In-depth understanding of PN5180 and its functionalities. - Skills in designing firmware for reading Contactless cards. - Experience with implementing card authentication systems. The PN5180 should be interfaced with an EMV communication interface. Therefore, expertise in this area is essential. Please note, t...
Have you worked with NXP NFC chips. We need write drivers for PN5180 to read EMV data
...Specifications: - The board should feature a 2 channel ADC for precision temperature measurement from Type K, R and S type thermocouples. - I prefer the use of the STM32 microcontroller family for this main board. - Communication interfaces supported by the main board should include I2C, SPI, UART, ADC, RS485, and RTC. Deliverables Expected: 1. Three fully assembled and programmed PCBs ready for testing. 2. Complete source code for the project. 3. Schematic and Gerber files, including a pick and place file for PCB assembly. 4. Bill of Materials (B.O.M.) with vendor information. Ideal Skills and Experience: - Proficient in STM32 microcontroller programming and board design. - Extensive experience with thermocouple interfacing. - Knowledgeable in PCB design software and cr...
Looking for a stm32 + nextion programmer, extensive experience in inkjet printers, if it does not meet the specifications I will not award the project. I already have firmware that I need to integrate more functions and update. Add more functions to the project - ink system controls - level control - control and maintenance - humidity control - ink flow control - lamp control - roll to roll
I'm looking for a skilled hardware designer to create a board for the STM32L031K6 microcontroller. The board will be used for prototy...STM32L031K6 microcontroller. The board will be used for prototyping, and needs to be compatible with the ST-Link V2 programmer. Key Requirements: - The board should include GPIO pins and Analog inputs/outputs. - The power source for the board will be USB, so it needs to be designed accordingly. Ideal Skills and Experience: - Extensive knowledge and experience in hardware design, particularly with STM32 microcontrollers. - Familiarity with ST-Link V2 programming. - Ability to design for USB power supply. - Good understanding of GPIO and Analog inputs/outputs. I need a professional who can ensure the board is designed efficiently for protot...
I am in need of a microcontroller expert who can convert my current setup (ESP32, SIM800L, Neo6M GPS) into a more compact design using the STM32G030F6P6TR chip and embed it with a SIM868. The goal is to create a compact, efficient, and versatile tracking device. Responsibilities: - Convert the existing microcontroller setup to an STM32G030F6P6TR chip. - Embed the design with the SIM868 for enhanced functionality. - Design a PCB that accommodates this compact design without compromising performance. - Ensure the device is suitable for both indoor and outdoor use. The device needs to support real-time tracking functionality. Therefore, experience in designing tracking devices is preferred. Please note, I require only qualified professionals to bid on this project. Proposals generated by ...
We are looking for an experienced Firmware developer and Electronics Engineer (EE). You will continue the development of an STM32 design and a seperate ESP32 design - both with BLE. Also you will continue the electronics design of the board, simulate the circuits and layout a PCB, while communicating with clients, vendors and the team. You will be working for a small StartUp and directly report the the CEO, who is also an EE. We are looking long-term to acquire a Senior EE for a permanent role in the team. We run the company fully remote, online and have staff located globally. So you can locate yourself as you see fit. We are demanding as we do require high quality work, there is no place for an EE that cannot or will not do the detailed work and limit the number of mistakes...
...passive monitoring using the PIR sensors. Key Features of the System: Energy Management: Solar panels (10-20W) with MPPT controller. Three 12V, 10Ah LiFePO4 batteries with automatic rotation to maximize lifespan. Voltage regulators to power components at 5V and 3.3V. Motion Detection and Processing: PIR sensors to trigger system activation. OV2640 cameras controlled by microcontrollers (ESP32 or STM32) and managed using MOSFETs. AI Processing: Coral Dev Board Micro for real-time inferences. Communication Modules: Wi-Fi (ESP32), LoRaWAN (Heltec LoRa), or 4G/LTE (SIM7600), selectable based on site requirements. System Monitoring and Management: Secondary microcontroller for managing energy, environmental sensors (temperature and humidity), and communication modules. Freelance...
I am looking for an electronic engineer who can work in our team. We have a project to design a switch panel using STM32. I will share the PCB layout and switch links in a quick chat. I want to design the PCB using EasyEDA because I will manufacture PCB in China. Please attach your portfolio if you have any experience in this field. I am looking for a individual engineer who can join our team. Thank you
I am in need of a skilled engineer to create a BLDC speed controller and an STM32-based flight controller based on existing software and reference designs where applicable. Key responsibilities include: - Designing a flight controller based on a pre-provided Reference Design for Rotorflight firmware - Developing a 2-in-1 BLDC speed controller based on ESCape32 firmware Ideal candidates should have: - Prior experience with flight controller hardware for Betaflight/iNAV/Cleanflight/Rotorflight/etc - Prior experience with BLDC speed controller hardware for BLHeli/BLHeli32/AM32/ESCape32/etc - Ability to compact designs into predetermined PCB shape/size requirements Please provide examples of similar projects you have worked on in your application. The details of the project requirem...
...differences, memory usage, and performance. Deliverables: Working project files for STM32CubeIDE and Keil MDK Lite. Screenshots of simulation results, including analyzer outputs. Full source code (UserThreads.c, SineLut.c, and others as necessary). Comparison report between RTOS and bare-metal implementations. Short description to each task what was done for documentation. Requirements: Knowledge of STM32 microcontrollers, RTOS (CMSIS-RTOSv2), and Keil MDK. Experience with STM32CubeMX for configuration. Ability to implement embedded code....
...electronics**. - Proficiency in embedded C/C++ programming. - Hands-on experience with microcontrollers and embedded systems. - Knowledge of battery management systems and protection mechanisms. - Expertise in hardware interfacing and debugging. **Preferred Skills:** - Familiarity with simulation tools (e.g., MATLAB/Simulink). - Experience with communication protocols (I2C, SPI, UART,STM32). - Background in display module interfacing for indicators. **Why Work With Us?** - Opportunity to showcase your expertise on a critical, innovative project. - Competitive compensation and flexible work terms. - Potential for long-term collaboration if we are impressed with the project outcome. How to Apply: Interested freelancers can share their updated resume and...
I'm looking for a skilled developer with extensive experience in embedded systems and NFC application development on STM32. The hardware design has already been completed. The project involves a considerable amount of work (300-400 hours), focusing on: - Creating firmware for an STM32 microcontroller. - Implementing NFC application functionalities, specifically for data exchange and communication. The ideal candidate should have: - Proven experience in STM32 firmware development. - Proficiency in creating NFC applications. - Ability to adhere to specified project requirements and standards. - Knowledge of low-power design techniques for battery-operated systems. Please note, an NDA will need to be signed before the project starts. A brief interview will be con...
...developer with experience in STM32 microcontrollers to assist in developing a custom alarm system. The project involves integrating an RTC (DS3231) for real-time clock functionality, Bluetooth (HC-05) for wireless control, and a buzzer for the alarm feature. The system will be designed for the STM32F429I-DISC1 board. Project Requirements: Configure and initialize the RTC (DS3231) module using I2C communication. Implement Bluetooth communication using the HC-05 module for controlling the alarm. Integrate a buzzer (active type) that can be turned on/off based on the state of a button or Bluetooth command. Design a simple user interface (if needed) to interact with the system. Ensure that all components communicate seamlessly on STM32F429I-DISC1. Key Skills: Experience with STM...
I need STM32 MCU programming expertise to help me monitor and manage environmental sensors over LoRaWAN. The project involves controlling these IoT devices on a scheduled basis and transmitting sensor readings to the Network Server (LNS). The firmware must be compatible with Firmware Over-The-Air updates (FUOTA). Key Responsibilities: - Develop code to control environmental sensors (specifically pressure monitors). - Program STM32 MCU to send alerts based on sensor readings. - Implement functionality to automatically adjust settings based on sensor data. - Create a system for logging data for future review. Ideal Skill Set: - Extensive experience in STM32 MCU programming. - Solid understanding of IoT devices, specifically environmental sensors. - Proficient in progra...
...Preparation of manufacturing files and guidance for mass production. The device is motor-driven, requiring: Integration of a 12V motor. Control through a motor driver (e.g., L298N or similar). Current monitoring for overload protection using sensors like ACS712. Safety features to reverse the motor direction when specific conditions are detected. Control and logic processing via a microcontroller (e.g., STM32 or equivalent). Additional integration of LEDs or other indicators for user feedback. Deliverables: Complete schematics for the device. PCB design and Gerber files for manufacturing. BOM with readily available components. Documentation and design notes for assembly. Optional: Support during prototyping and testing phases. Required Expertise: Proficiency in microcontroller...
I'm looking for an expert in C programming and embedded systems to enhance my existing firmware for the STM32F401CDU6 microcontroller. The firmware was developed using Keil uVision, and the...STM32F401CDU6 microcontroller. The firmware was developed using Keil uVision, and the enhancements will focus on adding UART communication capabilities. Key Tasks: - Integrate UART communication protocol into the existing firmware - Ensure the new firmware supports data transmission and reception via UART Ideal Candidate: - Proficient in C programming and embedded systems - Extensive experience with STM32 microcontrollers - In-depth knowledge of integrating communication protocols into firmware - Familiarity with Keil uVision - Able to deliver robust, efficient, and high-quality firmwa...
I'm looking for an expert STM32 programmer to help with my project. The microcontroller will be used for industrial control applications. Ideal Skills: - Proficient in C/C++ programming, particularly for STM32F series - Experience in programming for industrial control systems - Knowledge of relevant communication protocols - Familiarity with motor control and sensor data collection Please get in touch if you have the necessary skills and experience. Kindly people from Tamilnadu is better convenient for me.
I am looking for a skilled programmer for my STM32 microcontroller project. The main functionality of the STM32 will be to control a motor. Ideal Skills: - Proficient in STM32 programming - Experienced in motor control systems - Knowledgeable about various motor types Please note, the specifics of the motor type and whether the system will control multiple motors are yet to be determined.
I need help troubleshooting my setup with an STM32F401RE and a Micro Servo SG90. Currently, I can't get the servo to move at all, and I suspect some of my connections might be incorrect. I also just need the servo to go from the middle position to each of the extremes and then end at the middle position again. Ideal Skills: - Proficient in working with STM32 microcontrollers - Experienced with Micro Servo SG90 - Strong troubleshooting skills, especially with electronics - Knowledgeable in setting up and debugging servo motor connections - Capable of providing clear explanations and guidance
I'm seeking a skilled programmer to create code for the STM32 Blue Pill microcontroller to control a 2x16 LCD using both baremetal and the HAL library. Key Requirements: - The code must interface with the LCD over a 4-bit connection. - The LCD will be used for write only operations. - The programmer must be experienced with STM32 development and LCD control.
I'm in need of a seasoned STM32 Embedded Developer to aid in the development and optimization of firmware for my production hardware. The hardware is currently in the testing phase. Key Requirements: - The firmware must support various STM32 peripheral functions, including ADC with DMA, Timers for PWM/SPWM, and UART communication. - Expertise in STM32 programming with HAL and STM32CubeMX is crucial. - Experience with FreeRTOS integration and task management is necessary. - The firmware must include support for I2C and SPI peripheral functions for sensor and peripheral communication. - The firmware must have robust error handling and diagnostics to ensure reliable operation. Ideal Skills: - Proficient in using ADC with DMA for data acquisition - Skilled in con...
I am looking for an experienced firmware engineer to develop simple firmware for an STM32 based project. This project involves controlling small motors (forward and reverse) with tactile switches and producing logic outputs. Key Requirements: - Development of ultra-low power design firmware to maximize battery life. - Implementation of well-documented logic for motor control. - Debugging and testing capabilities for remote working. - Experience with consumer electronics firmware development is a plus. - STM Cube - STM32L031F6P6 The ideal candidate should have a deep understanding of STM32 firmware development, ultra-low power design, and motor control logic. You should also have experience with remote debugging and a knack for working on consumer electronics projects.
...event detection and logging 4. GSM communication for alerts 5. Magnetometer for direction tracking 6. Low-power design with extended battery life The device needs to be: - Compact (50-70mm length) - Waterproof - Able to operate for 2-3 months on a single charge - Capable of sending SMS alerts - Encrypted communication I'm seeking an experienced IoT developer with: - Embedded systems expertise - STM32 microcontroller programming skills - Experience with GPS and GSM modules - Low-power device design background Would you be interested in discussing this project further? I'd love to see your portfolio and get an initial estimate of development complexity and cost. we will be making use of the following components: Microcontroller: STM32L4R5 (ultra-low-power ARM Cortex-M...
...control system. Project Details: The project involves working with STM32 microcontrollers to develop and optimize firmware for addressable loop communication. Key tasks include enhancing communication protocols to ensure stable and reliable operations of addressable devices on the loop. You will be responsible for optimizing microcontroller firmware, implementing efficient power management, and integrating new features as needed. Perform testing and validation to ensure compliance with industry standards, especially in relation to dielectric withstand and load tests. Collaborate with the hardware team to fine-tune the integration of power supplies and communication circuits. Requirements: Strong experience with STM32 microcontrollers and embedded C/C++ progra...
I'm in need of a seasoned engineer with expertise in GNSS modules, STM32, and various electronic components. The project entails designing, developing, programming, and deploying a system capable of achieving bidirectional data communication with a server via cellular. Key Responsibilities: - Design and implement a system using GNSS, STM32, and other electronic modules. - Program the system for effective communication. - Oversee the deployment of the system. Ideal Skills: - Proficient in working with GNSS and STM32 modules. - Strong programming skills. - Prior experience in deploying similar systems. - Knowledge of cellular communication systems.
I'm looking for a professional to design a schematic and PCB for me, incorporatin...microcontroller. Key Requirements: - The PCB should be as compact as possible, ideally in a rectangular shape. - These three devices need to communicate via I2C. - Power supply will be 5 volts from a main board located 1.2 meters away. - Pin 64 of the STM32F103C8T6 should communicate with a STM32F103RBT6 via USART, with these two boards also being 1.2 meters apart. Experience with PCB design, STM32 microcontrollers, I2C and USART communication is essential. Please note that this project is a stepping stone for a larger project, so an understanding of prototyping is beneficial. The layout of the components on the PCB should be side by side, and there are no specific restrictions on the dimensi...
I'm working on a project that requires interfacing with a rotary encoder using an STM32 microcontroller. The task involves calculating the frequency (up to a maximum of 70 KHz) based on the input from the encoder, and then generating a square wave pulse train signal with an adjustable frequency as the output. The ideal candidate for this project should: - Be proficient with STM32 microcontrollers and have experience interfacing with rotary encoders. - Have strong skills in embedded programming, particularly in generating and manipulating square wave pulse train signals. - Be able to provide a solution that allows for the output frequency to be adjustable based on the input signal. Skills in hardware troubleshooting and a solid understanding of signal processing will be...
...embedded control system. Project Details: The project involves working with STM32 microcontrollers to develop and optimize firmware for addressable loop communication. Key tasks include enhancing communication protocols to ensure stable and reliable operations of addressable devices on the loop. You will be responsible for optimizing microcontroller firmware, implementing efficient power management, and integrating new features as needed. Perform testing and validation to ensure compliance with industry standards, especially in relation to dielectric withstand and load tests. Collaborate with the hardware team to fine-tune the integration of power supplies and communication circuits. Requirements: Strong experience with STM32 microcontrollers and embedded C/C++ programm...
I need some modifications made to my STM32 board. The source files are in EasyEDApro and the changes are as follows: 1. Two MOSFETs need to be reversed so that the board can handle either 24V or -24V on two wires with the H-bridge. 2. Change the USB-C connection to a USB-B for easier manufacturing. 3. Remove JTAG but keep SWD. 4. The board size needs to be slightly smaller to reduce production costs. 5. Add a removable ESP32 S3 mount using a socket connector. Ideal skills for this project include experience with EasyEDApro, knowledge of STM32 boards, and PCB design.
We have a controller for our system that uses two processor modules (CM4 and STM32/Nucleo Board) and has onboard DC/DC modules, BLDC Motor Drivers and FETs, Stepper Motor Drivers and FETs, Digital I/O to communicate with sensors and actuators, and K-Type Thermocouple sensors. We are looking for a very experienced EE that is an expert in achieving FCC Class B. We have a current design which is very close to getting Class A, but getting to Class B will require a board respin. The system is a highly automated countertop appliance in the food services industry.
I'm seeking an expert who can significantly enhance the speed of loading images and di...The best way is to use DMA (which I didn't implement in my code) for both the CPU-Screen SPI interface, and the SDIO-CPU interface Your tasks will include: - Optimizing both initial load time and image rendering speed - Writing a high-performance library for displaying videos - Ensuring the library prioritizes performance above all The ideal candidate should have: - Extensive experience with STM32 microcontrollers - Proficiency in writing libraries for embedded systems - Deep understanding of image and video processing - Skills in optimizing for performance Please note, the project will require not just technical know-how, but also an ability to deliver a solution that is both effe...
...specifically for the STM32 microcontroller, to design a compact smart door lock system. This project will require the integration of an RFID reader, a custom PCB, and a mobile dashboard for user management and access monitoring. Key Responsibilities: - Firmware Development: Create reliable and efficient code for the STM32, with a focus on optimized communication with the mobile dashboard over a Wi-Fi connection. - Custom PCB Design: Design a compact PCB that integrates the STM32, the RFID reader, and relay control. - Relay Control: Ensure the firmware maintains a reliable control of the lock/unlock relay. - Mobile Dashboard: Collaborate on the development of a mobile interface to manage users and monitor access logs in real-time. Ideal Skills: - Proficiency in ...
I'm seeking a skilled TouchGFX UI designer, experienced with STM32 devkit. Key Responsibilities: - Design a TouchGFX UI Design from provided pictures for STM32 dev kit. - Implement the design on an STM32 development kit. All pictures for UI design and UI workflow document will be provided.
Looking for someone that ALREADY has a circuit for STM32 that has the following -- Just a simple circuit with the STM32 chip -- Ability to connect with Ethernet cable (Must have ethernet module) -- Ability to be seen on network -- Ability to update firmware from a user interface This is low budget. Only for someone that already has this circuit or similar concept in hand.
I'm seeking an experienced freelancer for a project involving an STM32 microcontroller. The primary objective of this project is to perform sensor data acquisition, specifically using a temperature sensor. The project will also incorporate 4 questions about ARM assembly, primarily focused on performance optimization. Key project elements: - Sensor data acquisition: The project will involve collecting data from a temperature sensor. - ARM assembly: A significant part of the project will involve answering 4 questions about ARM assembly. This will be aimed at optimizing the performance of the system. Ideal skills and experience: - Proficient in STM32 microcontroller programming - Experienced in sensor integration, specifically temperature sensors - Strong understanding a...
...include a hardware watchdog to reset in case of a system crash and must store up to 10 remote controls at 433MHz. Inputs should be protected against positive voltages of up to 700V. Additionally, a schematic and PCB layout are required. All circuit development should be completed using the EasyEDA platform, where I will create the project and add your user account as a collaborator. Components: STM32 or PIC microcontrollers can be used. Firmware: Read digital inputs enabled by activating the alarm through the remote control. Output 1 will be activated when the alarm is enabled through the remote control. Output 2 will be triggered when input 1 is activated. Output 3 will be triggered when input 2 is activated. Output 4 will be activated when button 2 on the remote control is ...
I'm seeking an expert who can significantly enhance the speed of loading images and di...The best way is to use DMA (which I didn't implement in my code) for both the CPU-Screen SPI interface, and the SDIO-CPU interface Your tasks will include: - Optimizing both initial load time and image rendering speed - Writing a high-performance library for displaying videos - Ensuring the library prioritizes performance above all The ideal candidate should have: - Extensive experience with STM32 microcontrollers - Proficiency in writing libraries for embedded systems - Deep understanding of image and video processing - Skills in optimizing for performance Please note, the project will require not just technical know-how, but also an ability to deliver a solution that is both effe...
I need an addition of a screen to the PCB design. This screen will be your recommendation. I am looking for a screen that can connect to STM32 and easy to use. something that is 1.8 inch or more LCD that can be installed by PCB makers.
...infrared and Bluetooth (BLE) system. Initially, the project will use an STM32 BLE enabled development board, and later evolve into designing production quality PCBA considering the form factors of each product. Key tasks will include: - Prototyping: You will help create and test prototypes based on initial designs and requirements. - Firmware Development: The firmware will need to support infrared and BLE primarily for device-to-device interactions. - Battery driven products requires low energy design principles. - Hardware Design: While the initial focus is on prototyping, your expertise in electronic hardware design will be crucial for creating viable production designs. Ideal candidates will have: - Proficient STM32 Programming skills, especially in low ...
Write and test UART, SPI and I2C driver software for openPLC (running in ARM processor on Raspberry Pi (pi-pico, pi3, pi4, pi5), Stem32, MSP 430 etc.) to use with various items ...GPIO pins for UART, make sure that the pins you're using for UART (TX and RX) are not being used by other functions in your WiringPi setup. You can configure the pins in your WiringPi code to avoid conflicts. Following links may be helpful: Let's discuss this first before I can award this project to you!
I'm seeking a skilled professional with experience in STM32 microcontrollers. I have a STM32F103, but if you have reasons to use a different one I'm open to suggestions. The project involves transmitting and receiving signals, a display and some controls. The Rx/Tx part must have connections and impedances for most common connectors and for electric/magnetic probes. So one part would be designing the circuit(or rather the peripherals) and another to program the controller. Please state how much would you like to do for a first step and the price.
...develop firmware for an electric toothbrush project using an STM32 Nucleo board. The toothbrush features an OLED display (128x64) and several tactile buttons to enhance user interaction. Upon powering on, the OLED should display a 2-minute timer that remains active, even when the user toggles between speed modes. Control buttons include a power switch to turn the toothbrush on and off, a motor control switch, a speed mode switch (to toggle between three speed settings: Low, Medium, High), and a motor rotation button that reverses motor direction when pressed. Optional development includes an OLED menu interface, allowing intuitive speed adjustments alongside the 2-minute timer display. Firmware should be written in C/C++ for STM32 microcontrollers, requiring skills in PWM ...
