TM1638 Seven Segment LED Display, LEDs and Keys Module


This 8 digit seven segment display module (HCMODU0095) uses a TM6138 controller allowing full control of the display using just 3 digital pins on a microcontoller. In addition to the seven segment display there are 8 individually controllable 3mm LEDs and a keypad with 8 push buttons arranged in a single row. These can also be controlled through the TM6138 IC and so require no extra digital pins.

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