-* [TI CC1111F32](http://focus.ti.com/docs/prod/folders/print/cc1111f32.html) Low Power RF System-on-Chip
- * Sub-1Ghz transceiver
- * 8051 MCU
- * 32k Flash
- * 4k RAM
- * USB 2.0
- * 6 12-bit analog inputs (11 bits with single-ended sensors)
- * 2 channels of serial I/O
- * digital I/O
- * interfaced to Arduino via async serial plus two handshake pins
-* Rayson BTM-182 (Bluetooth SPP module) with async interface to CC1111
-* 150mA 3.3V LDO regulator
- * input and output appear on 8-pin companion connector
+ * [STM32F042](https://www.st.com/content/st_com/en/products/microcontrollers/stm32-32-bit-arm-cortex-mcus/stm32-mainstream-mcus/stm32f0-series/stm32f0x2/stm32f042c6.html) System-on-Chip
+ * ARM Cortex-M0 MCU
+ * 32k Flash
+ * 6k RAM
+ * USB 2.0 Full Speed
+* [CC1200](http://www.ti.com/product/cc1200) Low Power, High Performance RF Transceiver
+* [RN4678](https://www.microchip.com/wwwproducts/en/RN4678) Bluetooth module