Flysmart Digi

BetaFPV ELRS Nano TX Module (915MHz)

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Summary

+ BETAFPV Nano RF TX module is based on the ExpressLRS project, an open-source RC link for RC applications. ExpressLRS aims to achieve the best possible link performance in both speeds, latency, and range. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance. Specification Packet refresh rate: 25Hz/50Hz/100Hz/200Hz (915MHz) RF output power: 100mW/250mW/500mW Frequency bands (Nano RF Module 915MHz version): 915MHz FCC Input voltage: 5V~12V USB port: Type-C BETAFPV Nano RF module is compatible with radio transmitter which has the nano module bay (AKA lite module bay, e.g. Frsky Taranis X-Lite, Frsky Taranis X9D Lite, TBS Tango 2). ExpressLRS is based on Semtech Lora SX127x or SX1280 hardware for RX and TX respectively. it aims to achieve the best possible link performance in both speeds, latency, and range. At 900 MHz a maximum of 200 Hz packet rate is supported. At 2.4 GHz a blistering 500Hz is currently supported with a custom OpenTX build. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance. Note： Please assemble the antenna before power on. Otherwise, the PA chip in the Nano TX module will be damaged permanently. Basic Configuration ExpressLRS uses the Crossfire serial protocol (AKA CRSF protocol) to communicate between the radio transmitter and the Nano TX module. So make sure your radio transmitter supports the CRSF serial protocol. We use the radio transmitter with the OpenTX system to show how to set up the CRSF protocol and LUA script. To set this up, in the OpenTX system, enter into model settings, and on the "MODEL SETUP" tab, turn off the "Internal RF". Next, enable "External RF" and select "CRSF" as the protocol. ExpressLRS use the OpenTX LUA script to control the TX module, like bind or setup. With the LUA script, pilots could check and set up some configurations of the Nano RF TX module. For more details, please check the Support Page. Save the ELRS.lua script files onto the radio transmitter's SD Card in the Scripts/Tools folder; Long press the "SYS" button (for RadioMaster T16 or similar radios) or the "Menu" button (for Frsky Taranis X9D or similar radios) to access the Tools Menu where you can find ELRS script ready to run with only one click; Bind & Output Power Nano TX module could enter binding status via ELRS. Lua script, as described in the "LUA Script" chapter. Besides, a short press button on the module could also enter binding status. Note: The LED will NOT flash when entering binding status. The module will exit from binding status 5 seconds later auto. Nano RF TX module could switch the output power via ELRS. Lua script, as described in the "LUA Script" chapter. Besides, long-press the button on the module could switch the output power. The RF TX module output power and LED indication as shown below. LED Color | RF output power Blue: 100mW Purple: 250mW Red: 500mW Package 1 * BETAFPV ELRS Nano TX module 1 * BETAFPV Moxon antenna 1 * Nano TX module user manual Use of this apparatus in Hong Kong is illegal ─ sale for export only.

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