Audio Processors CH11 & 12
Construction Pictures

From: Microcontroller Projects for Amateur Radio by Jack Purdum, W8TEE

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page last updated 08/15/2021







Teensy 4.0 with extender
Actually destroyed this Teensy and have a new one.  Will eliminate the socket to lower the extender

Audio board with pins & sockets

Display Board







8 Button Board  White is a paper spacer to align LED's & keep at same height

Current hardware


Yes I know that I need better lighting.

contact info ok on QRZ