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Hardware Design

Check Out My New Mini MIDI Controller Prototype – Any Tips on Design or Control Ideas?

My latest WIP, the “World’s Second Smallest MIDI Controller” (I think). It’s a bit bigger than the first iteration https://www.youtube.com/watch?v=5Ws_JfCw5NY in order to accommodate a potentiometer and larger buttons, as […]

SWV printf Output Issue in C++ on STM32G431KB

I am currently utilizing an STM32G431KB board that differs from other boards in the STM32 Nucleo series as it has a wired SWO. While setting up SWV printf on a […]

How to Interface a 4-Wire Vacuum Suction Motor from a Vacuum Robot with a Raspberry Pi?

This is a vacuum suction motor from vacuum robot that am trying to interface with Raspberry Pi. It has 4 wires and am not able to get it working. Any […]

Issues with measuring multiple switch inputs via single DAC in R-2R resistor configuration

Working on a project trying to measure multiple switch inputs via a single DAC in an R-2R resistor configuration. Took me a while to realize that the inputs needed to […]

Recommendations for rugged 5-7 inch TFT LCD display with HDMI and PoE

I’m looking industrial grade rugged TFT LCD display – 5 to 7 inch. Which should withstand -20 to 85°C, Hazardous environments. Interface – HDMI, PoE preferred. Non-Touch Anyone recommend some […]

I want to build a 20A power supply

I want to build a 20A power supply

Has anyone experimented with the serial port on the Arduino Opta?

Question: has anyone experimented with the serial port on the Arduino Opta? On the Uno et al there are pins broken out as Rx and Tx, but I’m not sure […]

How to optimize resistor values for reading multiple buttons on a single analog input?

Came up with some code for a project I’m working on that is able to read two buttons for each analog input (and tell if two have been pushed) based […]

Recommendations for Robust Industrial-Grade Microphone IC with Noise Cancellation for BeagleBone

Hello Guys, I am working on Mic module which is used with beaglebone, The circuit gonna used in robust Industry environment. Recommend me good microphone (ICs) module circuit with noise […]

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