Stepper Controller

Today i finished a stepper motor controller. It is a simple board made arround a AT89C2051 and 4 power transistor. I had some issues with the power supply (i need more current than it can give to me). The design is simple: 1 pin for step, 1 pin for direction. On the todo list is […]

My Psion 5MX died….

My Psion 5MX just died…. The usual problem with the lcd. Yesterday night was working without any problem. Today i opened it and i had a few horizontial lines on the lcd. The lcd cable has left us… I hope i will open it again on the weekend to see if i can fix it. […]