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DC 12V 1×4 Key Matrix Membrane Switch Keypad is a high-quality product at a very low cost for your application needs
save MCU resources
Detection mode: PIR detection + light control
A 4×4 matrix keypad consisting of microswitch buttons
making it more real and helping the beginners to learn to fly with ease
Servo Tester 6DOF DC 12V 1×4 Key MatrixThe Servo Tester is capable of easily detecting clearance, jitter, and median of various types of servos (servers). It can conveniently establish a connection with the ESC (Electronic Speed Controller) and test the operational status of both the ESC and the motor. Simultaneously, it can connect up to three sets of servos or ESCs, offering stable and accurate control through an SCM (Single Chip Microcontroller). For power supply, the device requires 4
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