Monitoring power meters with an RTL-SDR
And with one simple command, I was reading the power (and probably water) meters for my entire neighborhood. kroy.io
Baofeng APRS PTT controller
Baofeng radios trigger the ptt by shorting the sleeves of the two audio connectors. I isolated the audio lines with two audio transformers and set up the pi to trigger the transistor with a GPIO pin. awsh.org
TyMD380toolz for Tytera MD-380
Now that I have the worldwide database of DMR users loaded onto the radio, its like having caller ID on my HT. K0NR
Amateur astronomers track secretive spy satellites for fun
If Zuma is still up there, there’s a small group of people who will be ready and watching for it to reappear in a week, when its projected orbit should bring it out of Earth’s shadow and into the daylight. Popular Science
N4KGL FM satellite setup
This is my gear I am using for operating on FM amateur radio satellites like SO-50. N4KGL
Pocket DATV
Minimal Digital TV chain: Transmitter and Receiver. Hardware used on Tx: PiZero, Picam, LimeSDR Mini. Hardware used on Rx: Raspberry Pi 2, RTL-SDR. YouTube
