Use the type 7 (Brotronics PowerTowerRX) firmware image.
The PowerTowerRX has three distinct features. If your build doesn't require all of them, you may omit them and save some time and effort.
The core radio operation.
- C6, C12, C13 - 0603 1μF [opt + C18]
- C7, C8, C9 - 0603 0.1μF [opt + C17, C19]
- C14 - 0603 220nF
- C15, C16 - 0805 12pF
- D1, D4, D6 - 0805 Schottky diode [opt + D5]
- D2 - 0805 red LED [opt + D8]
- D3 - 0805 green LED
- LP1 - LP5907
- R1, R8 - 0603 10kΩ [opt + R3, R14]
- R2 - 0603 2.2kΩ
- R4, R5, R6, R8, R10 - 0603 1kΩ
- R6, R7 - 220Ω
- U2 - RFM22SMD
- U3 - Atmega 328
- U5 - LFCN-490 (+)
- U7 - SOT23 NPN transistor
- X1 - 16MHz xtal
- C17, C19 - 0603 0.1μF
- C18 - 0603 1μF
- D5 - 0805 Schottky diode
- R14 - 0603 10kΩ
- U9 - CP2102
- U10 - USB Jack
- C1 - 0603 4.7μF
- D7 - 0805 blue LED
- D8 - 0805 red LED
- R11, R12, R13 - 0603 1.5kΩ
- R15 - 0603 4.7kΩ
- R3 - 0603 10kΩ
- U6 - BQ24075
** Board
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
