TCA9555 Module IIC/I2C GPIO Expansion Board 16 Digital Input and Output
10,68 €
The module size is: 33.5mm x 23.5 mm. J1-J2 single row pin spacing: 800mil (2.54mmx8=20.32mm). Suitable for access to breadboards. All 16 IO ports have LED indicators. The LED is designed with a common anode and uses a 2k resistor to limit the current; when the output of the IO port is logic 0, the LED lights up.
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