We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train ...

& USB-connection with the SPI-Protocol, so you can read ROM and read / write to RAM. The new configured software and custom PCB is compatible with +5V (mostly USB) Arduino Nano or similar.

Anyone wanting to see how their device would interact with an OLED display without having one on hand! My inspiration for the project came from working on an IOT project and, halfway through, ...