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Hellschreiber Clock

Step 11The hardware

The hardware
The figures show the photo and the circuit diagram of the microcontroller producing these images.

It is an eight pin microcontroller, the 12F510, manufactured by microchip. The screened cable at left connects to the computer sound card. The connector on the right connects to the programmer, and also supplies power.

Without unplugging anything or changing any connections, the microcontroller can be erased and reprogrammed via ICSP just by running the appropriate programs on the computer.
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Author:neelandan
Employed as an Engineer in Electronics. Interested in building small circuits around tiny chips (the electronic kind).