XD XD16 Smart Home Learning Android Bluetooth Module Kit Set for Arduino - Light Blue
8-mode: mode 1: switch mode switch relay turn on / turn off light turn on / turn off buzzer; Mode 2: PWM of RGB light RGB mode of 3W LED; Mode 3: Cyclical mode RGB mode green-blue-red mode; Mode 4: display mode; display letter or number; Mode 5: password mode setting password; Mode6: decoding mode decode password; mode 7: Servo mode adjust angle one-button homing; Mode 8: capture mode capture CDS signal