I looked up the pinout of a standard smartphone's headset jack and dissembled the earphone / mic / ptt headset that came with the UV-3R. The hardest part was really creating the cable. Hacked up 4 conductor 3.5mm audio cable (already owned) soldered to the earpiece that was included with the UV-3R
T-Mobile G2 Android Phone (already owned) with APRSDroidīaofeng UV-3R from Amazon for $53 (small, cheap, and supports VOX) Two independently powered devices connected with a single passive cable.Īndroid Device with headset jack and APRSDroid This keeps the solution very clean and simple.
In the spirit of KISS, I really didn't want to mess with any intermediate devices to facilitate keying the transmitter, so a VOX capable HT is used to key the transmitter when audio is detected.
#CAN THE TYT UV8000E ACT AS A DIGIPEATER SERIAL#
APRSDroid can be configured to communicate via the Internet (APRS-IS), Bluetooth (requires an external TNC with bluetooth to serial connectivity), or audio input/output. I also wanted a rich user interface with offline maps and the ability to EASILY send and receive messages over APRS. While it supports APRS-IS (Internet based APRS), I really wanted a solution that would allow for bidirectional APRS communications in the field without being dependent on an Internet connection.
#CAN THE TYT UV8000E ACT AS A DIGIPEATER PORTABLE#
Small and easy solution for bi-directional (TX and RX) portable APRS via RF (no Internet based APRS-IS) with as few devices as possible and a rich user interface capable of showing stations on a map.ĪPRSDroid is an Android APRS application capable of encoding and decoding AFSK for portable APRS operations.
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