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AO output: 0
3 the module URF04 works:
Technical Parameters:
Fast response
Built-in 2
Matrix LED 8×8 module, 32x32mm, MAX7219 Driver keypad AO output: 0This matrix LED uses Maxim driver IC MAX7219. It has a built in clock to help multiplex the LEDs. Up to eight 8x8' matrix LEDs can be connected and used on a single I2C bus (or a combination, such as four 8x8 and four 7 segments, etc). Specification: Single module can drive the 8*8 common cathode Working Voltage: 5V Size: 3. 2*3. 2*1. 5cm With 4 fixed screw holes, aperture of 3mm, can be fixed by M3 copper column Module with input output interface,
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