The Tiniest of LRS RXes This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Firmware Use the type 5 (DTFUHF 4ch/6ch) firmware image. BOM C1, C10, C13 - 0603 1μF C7, C8, C9 - 0603 0.1μF R1, R3, R8 - 0603 10kΩ R2 - 0603 1kΩ R6, R7 - 220Ω D2 - 0603 red LED D3 - 0603 green LED D5 - 0603 Schottky diode LP1 - SOT23-5 LP5907 3.3V S1 - u.fl connector U1 - LFCN-490 (+) U2 - RFM22SMD U3 - ATMEGA328_QFN Y1 - 16MHz resonator BOM (older 0402 version) 3x 0.1μF 0402 cap 2x 1μF 0402 cap 0603 green LED 0603 red LED 0603 Schottky diode SOT23-5 LP5907 3.3V 2x 10kΩ 0402 resistor 1x 1kΩ 0402 resistor 2x 220Ω 0402 resistor u.fl connector ATMEGA328_QFN RFM22SMD 16MHz resonator LFCN-490 (+)