"I looked at the price of standard RC transmitters and didn't want to buy anything." The project log posted on Hackaday.io begins with this single line. The author is an anonymous individual. They ...

An advanced ESP32-S3 Line Follower Robot featuring custom PID control, VL53L1X obstacle avoidance, and MPU6050 IMU sensor fusion. Includes a stunning dependency-free web dashboard with real-time ...

Don't buy an RC car. Or, to be precise, "don't buy a mass-produced one." The year is 2026. Drawing circuit diagrams in KiCAD, ordering PCBs from PCBGOGO, flashing firmware to an ESP32, and printing a ...

Many of us electronics hacker types tend to have at least the same common equipment on our benches, namely a multimeter, an oscilloscope, some sort of adjustable power supply, and maybe a logic ...

Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...

Tune a PID controller with real hardware. Design a sensor suite to enable a mobile robot to perform a complex task. Evaluate the ability of a mobile robot to perform a complex task. Write a technical ...