[Erich] is the middle of building a new competition sumo bot for 2018. He’s trying to make this one as open and low-cost as humanly possible. So far it’s going pretty well, and the quest to make DIY ...

When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...

Is it something in the water, or have there been a lot of really cool servo projects lately? Mechaduino is a board that sits on a regular stepper motor and turns it into a servo with a closed loop ...

The EP200™ Series monochromators are designed to measure a single wavelength of light in the range of 185–925nm. When used with Verity’s system controllers and the proper optical input path, the EP200 ...

Learn how to install and use PlatformIO here. Open the folder in PlatformIO, compile, and upload the program to an Arduino or ESP32. Also, the main.cpp file could be copied into a blank Arduino ...

const int encoderPinsA[NUM_ENCODERS] = { 10, 8, 6, 4, 2 }; // Encoder A pins; any PCINT pin const int encoderPinsB[NUM_ENCODERS] = { 11, 9, 7, 5, 3 }; // Encoder B pins; arbitrary - pick any IO #ifdef ...