Questions tagged [microcontroller]

A microcontroller is a small computer on a single integrated circuit, similar to a SoC. Often used for DIY automation and embedded systems. Use the [micro-pc] tag for single board computers designed to run regular operating systems

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16 views

What FPGA Devboard to start learning

so I want to get into FPGA mainly because I am interested in emulating retro hardware, and improving my understanding of ic logic, and the idea of being able to create my own chips(well sort of :)) ...
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are there any MQTT based 4g obd2 device?

can anyone suggest to me the Chinese manufacture who produce 4G based OBD-2 device with the following specification: The OBD-2 device should work on the MQTT protocol The OBD-2 device should monitor ...
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How to connect two ultrasonic sonar sensor with Atmega32?

I am trying to connect two Ultrasonic Module HC-SR04 with Atmega32.I have interfaced one module but having difficulties interfacing two.
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low latency wireless mic using u-blox NINA-W102

Does anyone know if the u-blox NINA-W102 is capable of sending real time sound data with latency below 5ms? I can't find a lot of info on this component online. I've purchase the Arduino Nano rp2040, ...
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46 views

Binary digital watch

I am looking for a type of digital watch where hours and minutes would show as binary, e.g. with an LED on for a 1 and off for a 0. So 12:30 would show as: 1100:011110 (since 12 = 1*8 + 1*4 + 0*2 + ...
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Which ARM micro controller should I choose for my major project?

I'm taking up a major project for my final year in college through which I plan on learning about the ARM architecture. I want to build my own custom development board instead of using a pre-designed ...
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37 views

Looking for cheap MCU for projects

I'm currently learning MCUs with TMS570, but I'm also looking for some cheap mcu for general projects. Can you advice me on choosing something: 1) Cheap 2) Easy to buy in CIS (Russia and Ukraine, so,...
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30 views

Dual Mode Bluetooth (BLT/BLE) -To-UART Bridge Module Recommendation

I need a module to server as a Bluetooth-UART/SPI bridge for an MCU, that has to have the following characteristics: Programmable Fast bring-up (a known manufacturer with straight-forward set-up and ...
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35 views

Micro-controller Recommendation

I am going to build an IoT water flow meter. And I am using below meter: Which generated a pulse every time its meter completes a rotation. My objective is to read that pulse and send that reading ...
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33 views

Is there any MPU, MCU or SOC that have SIL certification?

Is it possible only a component have a SIL level, For example is there a processor that have IEC 61508 SIL4 certificate or EN 50126 SIL4 certificate. If there exists what would you recommend to me ...
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24 views

USB-sized board for running USB exploits

I'm looking for a USB-sized board to build a USB exploitation tool. I'm looking to build something similar to a Bash Bunny or a Rubber Ducky. Requirements: is a pre-built board (prefered) or chip ...
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What device should i use in this situation

I need a device that can act as a server (accept and send HTTP requests), and display an image. I want it to be as cheap as possible. I know i can use a Raspberry Pi, but i need something cheaper. I'...
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More powerful ESP9266 based microcontroller than nodemcu

I am currently working with Nodemcu. I am running a very long code with many HTTP requests. After 3 http requests, the nodemcu gets crashed. It is unable to handle. I am looking for a WiFi ...
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19 views

Connect a switch to my PC for a buzzer type of app

I want to write an app that assesses your reflexes. Basically it makes a sound you have to punch a target and the programme tells you your reaction time. I am not sure what to use for the target part. ...
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294 views

Best ultra low power microcontroller to run with solar panel

I am starting a project which will control a small motor, some LED for illumination and read some analog sensors and I need to power it via a solar panel. I am looking for the best option on ...
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29 views

Looking for a microcontroller for embedded OS

I'm looking for an MCU with development board on which I can build a small embedded OS. I'm looking for something along these lines: At least single digit MBs of EEPROM or flash. About 1MB or so ...
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48 views

Budget Microcontroller for large WS2812B strand

I am using an Arduino Uno R3 to control my Christmas lights (a strand of 665 WS2812B LEDs).The Arduino, while driving the LEDs, is not accessible from my PC, so I am attempting to use a Raspberry Pi 3 ...
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85 views

Best low cost microcomputer for running Unity app + webcam

I have an art installation I want to build that uses software written in Unity, implementing opencv and using a webcam, and displaying on some sort of inexpensive monitor. I can compile to Android/iOS/...
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27 views

Hobbyist microcontroller without code write endurance worry

I'm looking for a hobbyist microcontroller that can have its code modified very frequently (like code generated on the fly, or polymorphic code), without worrying about running out of write cycles. ...
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216 views

RFID solution for reading multiple tags

I am working on a Robot-project where a sub task is have to check how many and which RFID-tags are placed in a bucket. Multiple tags will be placed into the bucket - so I run into the problem with ...
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Confuse-a-cat : seeking dirt cheap, wheeled, programmable robot

I was playing the old "confuse the cat with a flash-light" game, when I thought that I might like to program a confuse-a-cat robot. Something, probably with tracks, which can right itself if he flips ...
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Portable camera with bluetooth or some other wireless technology support

I want to find a tiny camera or camera module that can stream its videos via Bluetooth or other wireless technology. I want to use that camera as an accessory that can be attached to a body part. The ...
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146 views

dev board with 3 or more mipi-csi

I'm looking for "NVIDIA Jetson TX1" module alternatives for 360 video capturing main requirements - 3 or more 4 line mipi-csi with ability to transfer 4k from each camera and sata or 10g ethernet phy ...
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416 views

Cheapest microcontroller with wi-fi

Requirements: 1. Should be able to run C++ programs 2. Price should be less then 20$ (better if <=10$)
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IC chip which can send a different IR signal from multiple pins

Hi I have been trying to send different IR signals over multiple pins using an Arduino Uno. I have been using the IRremote library. It's not possible with Arduino so I am looking for an alternative. ...
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55 views

Microprocessor that can connect to the internet

I am looking for a microprocessor (Arduino, Raspberry pi, etc..) that can connect to the internet. Currently I am using a Photon by particle. This small device allows me to connect the the internet ...
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15k views

Which cheap microcontroller with Wi-Fi to choose for IoT endpoint devices?

I want to gather data from multiple sensors, make simple operations on them (like store last samples in a buffer, calculate moving average, etc.) and send them to the Internet of Things cloud using ...
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108 views

Low-power 8 bits microcontroller

For a personnal project, I intend to design a board with a temperature sensor, an MCU and a wireless "connector". I would like to have that board powered by battery. The wireless technology is not yet ...