In this video I show how you can hook a bluetooth dongle to the Elad FDM-DUO to hook a Android tablet wireless to have a waterfall screen.
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DTech DB9 Breakout Connector, https://amzn.to/3mLVEkb
DSD TECH USB to TTL Serial Adapter, https://amzn.to/3mLM4Oj
DSD TECH HC-05 Bluetooth Serial Pass-through Module , https://amzn.to/400qBQ0
Videomaking BT device, https://www.youtube.com/watch?v=Ji7p6YzrCgo&t=756s
written instruction for BT device, http://ganymedeham.blogspot.com/2020/08/elad-blueduo.html
#elad,#blueduo,#hanradio,