The 2.4GHz ELRS series receiver is based on the ExpressLRS open-source architecture and program, and PP RX. The ESP8285 version of the Nano 2.4GHz RX was developed, named EP1 and EP2. The RF module of EP1/EP2 is the same as PP RX, but it uses the ESP8285 microcontroller. Therefore, you can upgrade firmware through WIFI, which is very user-friendly.
To activate the firmware, turn on the receiver while turning off the transmitter. After a period of time, you can find the ExpressLRS hotspot. Connect to the hotspot using a PC or phone. Password is expresslrs to access 10.0.0.1 and upload firmware
Low latency and high refresh rate, very suitable for FPV racing and remote FPV cruising, while being ultra light and small, very suitable for Tinywhoop. With this small receiver, you can reach a wide range, even comparable to crossfire, tracer bullets, and ghosts