Hello! I made a pcb for Aivot - analog robot controller
Parts:
2x 2N3904
1x ferric chloride mix
1x printed circuit
Lots of pictures:
Printed circuit and piece of board
Ironed to board now
Paper is soaped off, just have to fix some connections
Fixed and etching
Etched and washed, drilling now
Drilled,components mounted and soldered
Downside view of ready board
Okay that's all for now, soon you can see this in my robot ;)