The RF315 and RFOB cards let you receive packets from your keychain 315 MHz or 434 MHz transmitter. Both cards take an RF module similar to the Sparkfun WRL-10532 or the WRL-10533. The RF315 card has a built-in 315 MHz antenna while the RFOB card has an SMA antenna connector. The RF315 card is convenient while the RFOB card lets you place the antenna where you choose.
- Internal or External antenna option
- 315 or 434 MHz receiver modules available
- LEDs to indicate received packets and RF signal
Hardware:The schematic and layout of the RF315 are shown below. The Eagle schematic and board files for the internal antenna version are available here: rf315i.sch and rf315i.brd. The Eagle schematic and board files for the SMA connector version are available here: rfob.sch and rfob.brd. The BOM file is available here: rfob.txt.