Keeping up with the latest version will protect you from potential issues.
You have to flash firmware to make sure you’ve enabled these settings.Īlso ExpressLRS is a constantly evolving firmware, every update includes many bug fixes and improvements. Some important features and Binding Phrase are not set. Yes, they should already have the ELRS firmware installed in factory, but that might be the old stock firmware (including the firmware files they provide on the product page).
You should flash the latest firmware to your ELRS TX and RX when you first get them. Size comparison: Frsky R-XSR, Crossfire Nano, EP1, EP2, PP Why Flash Latest ExpressLRS Firmware? The EP1 is the same as the EP2 except it has a U.FL/IPEX1 connector for an external antenna, while the EP2 has a compact built-in ceramic antenna. That means you can flash the EP1 and EP2 through WiFi, and the PP only supports firmware update through Betaflight passthrough. These chips should have similar performance, but the ESP8285 has WiFi capability while the STM32 chip doesn’t. The main differences between PP, EP1 and EP2 are the processor and antenna: PP has STM32 while EP1 and EP2 has ESP8285. Translucent heatshrink would be useful for the RX, 14-15mm wide should do fine: ×45 Stock antenna works fine, but if you are trying to push range you can try these higher gain antennas: VAS Diamond For smaller radios such as the Jumper T-Lite and TBS Tango 2, you will need the “Lite style” module as the module bay is smaller. The TX module plugs into the external JR module bay, and it’s compatible with radios such as Radiomaster TX16S, Jumper T16, and Frsky X9D+. Transmitter Moduleįull Size Module (JR) Happymodel ESTX24 TX As long as they are running ExpressLRS firmware, they should bind just fine. TX and RX listed here are all compatible even from different brands.
Flash RX Firmware via Betaflight Passthrough.