Overview and Specifications:
Accessory Type : Extension Board
Compatible With : MCU, ARM, raspberry PI, Arduino
Size: 50mm x110mm, blue light.
Diameter of two fixed holes: 3 mm spacing: 100 mm
Signal input range: minimum 300 mv. Maximum 5 v (not too strong signal)
Power supply voltage: DC 8 v to 12 v
Maximum current: approx. 70 mA
Two buttons S1 and S2, long press (more than 1 second) and short press (less than 1 second greater than 0.2 seconds). The key function is fairly simple.
S1 adjust the strength of the input signal in the normal display mode. The loop reduces the number of input signals by clicking on them, which will automatically return to the beginning at the end. S1 in brightness adjustment mode, press incredse until the maximum level og brightness.
S2, in normal display mode is used to select the display mode, click the same conversion cycle, automatically return to the last. S2 in brightness control mode, according to the next level until the minimum brightness. S2 in normal display mode, long press to enter a brightness control mode, S2 in brightness control mode, long press will return to normal brightness to save and display mode.