DIY Arduino hot air SMD rework station.

I needed to set a large number of ds18b20 sensors up and I had to record the address and position of each sensor.

An Arduino powered floppy disk controller and reader/writer for making and writing disk images from and to old AmigaDOS floppy disks.

A soft switch with integrated energy monitoring enabling spark-free switching for electric vehicles and drones.

Cool little Pocket Metal Locator sensitive enough to identify small nails and tacks in wood with four independent search coils and LEDs.

Use a 3D printed encoder wheel, LED, and 2 photocells to demonstrate how a quadrature encoder works.