F550 is a multi-rotor designed for all pilots. With DJI WKM or NAZA autopilot system, it can achieve hovering, cruising, even rolling and other flight elements. It can be applied for entertainment, aerial photography, FPV and other activities. Made by advanced engineering material, super strong & smooth Kit (need assemble by yourself ). New design PCB board special for F550, support standard flight controller like MK, KK, FF, MWC, APM.
HL-340 New USB to RS232 COM Port Serial PDA 9 pin DB9 Adapter support Windows7-64Product features:USB TO SERIAL CONVERTER CALBE communicates with diff..
DESCRIPTION:semiconductor material usually with at least three terminals for connection to an external circuit. A voltage or current applied to one pa..
3D Printer 30 teeth synchronous pulley Timming Belt synchronous wheel belt inner hole 5mm.This Pulley size is designed so that the timing belt works w..