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Shared projects
Baofeng UV5R TRRS Adapter
by
johnboiles.
2
layer board of
1.08x0.32
inches
(27.36x8.15
mm).
Shared on
January 22nd, 2014 20:19.
Tiny board that allows you to connect the Baofeng UV5R radio to a smartphone or other device that uses a TRRS connector for audio. Useful for connecting the radio to a software TNC app such as APRSDroid or PocketPacket.
Bill of Materials
1x Kenwood Type Speaker Mic Cable (Alternately, you can use a 3.5mm and a 2.5mm cable)
1x 10k Resistor 0603
2x 2.2k Resistor 0603
2x .01uF Capacitor 0603
1x 3" of ¼" diameter heat shrink tubing (optional)
Tiny Trackuino
by
johnboiles.
2
layer board of
1.96x1.88
inches
(49.73x47.70
mm).
Shared on
October 12th, 2013 00:38.
Small Trackuino-compatible board for transmitting APRS packets over 2m amateur radio.
Firmware
The firmware is available at github.com/johnboiles/trackuino. It is modified from the original Trackuino firmware in order to support the newer 32u4 processors.
Bill of Materials
2x Screw Terminals 3.5mm Pitch (2-Pin)
1x Screw Terminals 3.5mm Pitch (3-Pin)
1x SMA Female Thru Hole Connector
1x EM406 (JST-SH) Horizontal Connector
1x 5V GPS with JST-SH connector
1x JST-SH Cable
1x Radiometrix HX1 Transmitter
1x 10k Resistor 0603
1x 3.3k Resistor 0603
1x 1k Resistor 0603
2x 10uF Capacitor 1206
BurnBabyBurn v1.0
by
johnboiles.
2
layer board of
0.71x1.75
inches
(17.98x44.45
mm).
Shared on
August 14th, 2013 20:53.
Tiny board for controlling a high-power logic-level n-channel MOSFET transistor. Useful for burning stuff (like nichrome wire). BurnBabyBurn on GitHub