Happymodel manufactures premium RC hobby products, specializing in mini FPV racing drones, reliable flight controllers, and ExpressLRS receiver modules.
Happymodel is an industry-leading RC hobby manufacturer dedicated to designing and producing high-quality FPV racing drones, aerial photography drones, UAV flight control systems, and RC electronics. Known for popular Micro FPV Whoops like the Mobula6, Mobula7, and Mobula8, Happymodel provides RC enthusiasts with powerful, innovative flight experiences.
Operating globally under Quzhou Yunduan Intelligent Technology Co., Ltd., Happymodel combines professional R&D with a strict focus on continuous improvement. From advanced digital HD systems compatible with DJI O4 and HDZero, to ultra-lightweight brushless motors and VTX setups, Happymodel products deliver extreme reliability strictly tailored for the FPV community.
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It is recommended to use a 2S 450mAh, 550mAh, or 650mAh LiPo/LiHV battery for optimal freestyle performance.
Ensure the MIXES of your radio settings match the betaflight Channel Map (typically TAER1234 or AETR1234). The motors will not arm if there is a mismatch.
During binding, the red LED on the flight controller will begin blinking slowly. Once it turns solid, a successful connection is established with the transmitter.
You can change the VTX band and channel via the ELRS VTX administrator, through the OSD menu using transmitter stick commands, or by using the ExpressLRS.lua script on your radio.
To ensure smooth motor operation, it is recommended to adjust the Bluejay ESC Min Startup Power to 1100 and the Max Startup Power to 1200.