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The parts required include: a wooden tongue depressor (or similar item), a Beitian BN-180 GPS module, a genuine Sparkfun branded 5V/16MHz Arduino Pro Micro board, one 100K ohm resistor, two 1N4148 diodes, and a short length of 6-conductor flat cable with a 6P6C RJ12 plug on one end.

Any resistor from 50K to 100K will probably work. And the diodes could be any type such as 1N4148, 1N5817, or 1N4007 etc..

The Pro Micro board must be a Sparkfun branded one, because those can safely handle +12V power from the Celestron AUX connector. No-name clone boards nearly always go up in smoke, because they skimped on the $2 voltage regular chip.
The parts required include: a wooden tongue depressor (or similar item), a Beitian BN-180 GPS module, a genuine Sparkfun branded 5V/16MHz Arduino Pro Micro board, one 100K ohm resistor, two 1N4148 diodes, and a short length of 6-conductor flat cable with a 6P6C RJ12 plug on one end.Any resistor from 50K to 100K will probably work. And the diodes could be any type such as 1N4148, 1N5817, or 1N4007 etc..The Pro Micro board must be a Sparkfun branded one, because those can safely handle +12V power from the Celestron AUX connector. No-name clone boards nearly always go up in smoke, because they skimped on the $2 voltage regular chip. (parts)
parts (1/10):
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