Re: <tap> <tap> is this thing on? Hello APRS!
Shawn / K7ATA
Simplicity itself; Simple schematic and protoboard view: https://imgur.com/a/dkUQ03Jtoggle quoted messageShow quoted text
NPN is a 2n2222 or equivalent, arduino requires a firmware flashed onto it with AVRdude
This is all based on the moblinkd design, and if you're a glutton for punishment, I have a BOM for SMT build and the boards can be had from oshpark: https://oshpark.com/shared_projects/rY0zpRke (yes, everything fits UNDER an arduino nano)
On 6/24/2019 2:50 PM, Ryan - KJ7GIE wrote:
its pretty easy to build a TNC for aprs with an arduino; I've done aMr. Shawn Sir,