All episodes
Each build is centered on a single off-the-shelf part. Click through for the video, the bare-minimum you need to know, and every file to build it yourself.
The tiny single-core RISC-V brain with Wi-Fi + BLE that runs almost every mini robot.
EP #2Precise motion for joints and legs — plus a fully 3D-printable pan-tilt head.
EP #3The $2 H-bridge that lets your tiny brain command big, hungry motors.
EP #4The thumb-sized powerhouse behind almost every wheeled bot.
EP #5The two cheapest parts on the channel — an LED and a piezo buzzer, under a dollar combined.
EP #6 · in the worksBrain, driver, two motors — eleven wires and they become one complete, driving robot.
EP #7 · in the worksOne lithium cell and a $1 boost converter — a steady 5V rail, and no more USB leash.
EP #8 · in the worksA $2 laser rangefinder over I2C — and a rover that sees the wall before it hits it.