We finished soldering on our logic probes to be used for identifying circuit logic and stray voltages.
Once the probes were soldered, interconnected wells on the wafer had to be "cut" to match the desired paths for current.
The next stage of our projects would make heavy use of a standard serial COM port to interface our Picaxe microcontrollers with a desktop computer for programming, so one was fashioned.
A detour in exercising transistor control.
The wiring diagram for interfacing a Picaxe 08M2 with a desktop PC serial port for programming in
Picaxe Programmer.
A successfully executed "flasher" program written in basic and downloaded to the 08M2, pulsing a red LED.
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