TCA9555/PCA9555A Module IIC/I2C GPIO expansion board 16 digital input and output
6,52 €
The TCA9555 is compatible with the PCA9555A and can be replaced directly. LED is common anode design, using 2k resistance current limiting; When the IO port output is logical 0, the LED lights up. J1-J2 single row pin spacing: 800mil (2.54mm×8=20.32mm).
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