ExpressLRS Complete Setup Guide for Happymodel ES915TX and ES915RX

UPDATE: In the video I did not actually use a OpenTx nightly firmware. The actual nightly firmware does support flashing ELRS and CRSFShot. See this video for more information:    • ExpressLRS Complete Setup Guide • One...  

ExpressLRS is a new Radio Control Protocol operating in both 2.4ghz and 915/868Mhz. It is capable of ridiculously long range using extremely low power levels. The current distance/power record is 40km at 10mw of power. Up until now, you had to find compatible transmitters and receivers and flash your own ExpressLRS firmware on them.

Happymodel has recently released the ES915TX/ES915RX combo which includes the transmitter, receiver, and both antennas for the very attractive price of $59.99USD.

In this video, I'll show you the steps you need to take from out of the box to ready-to-fly a Betaflight setup. I'm using a Betaflight craft because the ExpressLRS receiver uses the Crossfire protocol to communicate with a flight controller, so you need a flight controller capable of utilizing the Crossfire protocol. The transmitter also utilizes the Crossfire protocol for communication with the radio.

The video is time indexed so you can move around as you wish. Links to all software, firmware, and the products are included in the description below.

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00:00 Intro
01:33 Game Plan
03:48 About ES915Rx/Tx Combo
04:58 The Project Box
05:51 Install Express LRS Configurator
06:51 Setup the Configurator
08:48 Flash OpenTx Nightly
09:58 Install ELRS LUA
11:08 Install BetaFlight
11:27 Bind Rx to Tx
14:10 Wire Rx to Flight Controller
15:05 BetaFlight Setup
16:25 Build and Flash Receiver Firmware
18:42 Build and Flash Transmitter Firmware
21:46 Install TBS CRSFShot OpenTx Firmware
24:08 Configure ELRS via LUA
24:40 Add BetaFlight Telemetry Sensors
25:29 Tuning Telemetry Updates

PRODUCT LINKS
► ES915TX/RX Combo https://www.banggood.com/custlink/GK3...
► 3D Project Box http://www.happymodel.cn/index.php/20...
► Retail Project Box https://radiomasterrc.com/goods-196.html

RESOURCE (Software) LINKS
► ExpressLRS Configurator https://github.com/ExpressLRS/Express...
► ExpressLRS LUA Script https://raw.githubusercontent.com/Exp...
► BetaFlight Configurator https://github.com/betaflight/betafli...
► OpenTx 2.3 Nightlies https://www.open-tx.org/2019/05/17/2....
► Happymodel Bind Instructions http://www.happymodel.cn/index.php/20...
► TBS CRSFShot OpenTx Firmware https://www.team-blacksheep.com/tbs-o...


BONUS INFO:
Since you read to this point: Turn your ADC Filter Off and Try setting your Baud rate to 400,000

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