Machines
Small machines built on the bench.
Pen Plotter A
WorkingTwo steppers and a servo that draw on a 76 mm post-it pad, printed on a Bambu P1S and driven by an ESP32.
Asteroid Test
WorkingA tiny Spacecavator-style digger on a Nextion screen: steer through rock and collect gems with a joystick, zoom with a knob.
SEAF Helmet Light
WorkingAn IR-remote RGB lamp for a Helldivers helmet: a 9 V battery, an ESP32 and a transistor-switched LED.
Servo Tester
WorkingFind a hobby servo's real end points and centre: a PCA9685 driver, three knobs and a display, all run by an ESP32.
Stepper Test
WorkingA 28BYJ-48 stepper driven through the PCA9685 and a ULN2003: milestone one of the pen plotter.