"I built a self-contained Iridium 9603 that integrates a u-blox max-7 GPS module along with a 32-bit Cortex-M4 process. I've got some block diagrams and picture here:
I'm trying to make my Si1000 (and my 433 Mhz 3dradio) development board transmit direct tones with the hope of being able to generate APRS data packets.has anyone tried this? I'm trying to modify the TxTone example fro SiLaba and toggle one of the…