Description:
Have you run out of I/O pins? This great module allows the user to expand up to 16 I/O using only two I/O for control! The PCF8575 is controlled through an I2C interface and features 16-bits of quasi-bidirectional input/output pins.
Onboard 3.3V level converter circuit, if you do not solder VCC-VDD pad, the PCF8575 level is 3.3V. If you solder it, the level will be the same with VCC
Features:
Arduino available library: PCF8575
Working voltage: 2.5 – 5.5VDC
Working current: 100mA(MAX)
I2C address: 0x20(default), can be modified by soldering A1 and A2 selection pads.
16 individually addressable pins.
Each pin configurable for input or output
Open-drain interrupt output pin for input change interrupt.
Great for Arduino UNO R3 and other MCU to control simple relay, buzzer, button, led.
Size: 4×2.1cm/1.57×0.83inch
Package includes:
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Le 02-sept.-21 à 05:28:15 Paris, le vendeur a ajouté les informations suivantes :