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

This DIY 6-DOF robot arm project details a two-year build cycle using 3D printed parts, custom electronics, and over 5,000 ...

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 ...

[Fabian Chouteau] built a plotter out of CD-ROM parts. Yawn, you say? Besides being a beautiful physical build, this one has a twist. He wrote the software and firmware for the entire project himself, ...

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 ...

Differential drive ROS 2 robot using Raspberry Pi + Arduino motor controller + serial ros2_control hardware interface. Device: /dev/i2c-1 (I2C bus 1 — GPIO2=SDA pin3, GPIO3=SCL pin5) Address: 0x28 ...

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 ...