LDR sensor #Sound Long press the OK button

Long press the OK button for 2 seconds to enter the menu setting

the IOREF that allow the shields to adapt to the voltage provided from the board

Game joystick module for Arduino PS2

BLE Standard

It contains everything needed to support the microcontroller

LDR sensor #Sound Long press the OK buttonUsing sensitive type photosensitive resistance sensor Module features the comparator output, signal clean, good waveform, driving ability is strong, for more than 15ma With adjustable potentiometer can detect light brightness adjustment Output form: digital switch output (0 and 1) The working voltage is 3. 3 V to 5 V PCB Size: 3. 2 cm x 1. 4 cm Package Includes: 1 x Photosensitive Sensor Module