4 ms·
Anyone know which frequency these use to communicate? 26.9650 MHz?
by Cieplak 11y ago
Anyone know which frequency these use to communicate? 26.9650 MHz?
- david-given 11y agoIt's an off-the-shelf RF2915 wireless module running at ~913MHz. http://www.dbzoo.com/cybiko/functionalblockdiagram http://www.dbzoo.com/cybiko/functionalblockdiagram http://pdf.datasheetcatalog.com/datasheet/RFMD/RF2915.pdf http://pdf.datasheetcatalog.com/datasheet/RFMD/RF2915.pdf It was controlled by its own little AVR microcontroller that handles the low level protocol. It wasn't fast --- 19.2 kbps.