PCF8575 Module Expansion IO Port Expansion Board PCF8575 Expansion Board I2C Communication Control 16 IO PortsItem NO.: PCF8575 IO
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- Product Name: PCF8575 Module Expansion IO Port Expansion Board PCF8575 Expansion Board I2C Communication Control 16 IO Ports
- Item NO.: PCF8575 IO
- Weight: 0.1 kg = 0.2205 lb = 3.5274 oz
- Category: Electronic Modules > Other Electronic Modules
- Tag: PCF8575 , PCF8575 Module , IO Port Expansion Board
- Creation Time: 2024-04-16
PCF8575 Module IO Port Expansion Board
Explain:
Is the I/O pin used up? This powerful module allows users to scale to 16 more I/Os using only two I/Os for control! The PCF8575 is controlled through the I2C interface and has 16 bit quasi bidirectional input/output pins.
On a board 3.3V level converter circuit, if the VCC-VDD pad is not soldered, the level of the PCF8575 is 3.3V. If welded, its level will be the same as VCC
Features:
● Available library: PCF8575
● Working voltage: 2.5-5.5V DC
● Working current: 100mA (MAX)
● I2C address: 0x20 (default), which can be modified by welding A1 and A2 selection pads.
● 16 individually addressable pins.
● Each pin can be configured as an input or output
● Open drain interrupt output pin for input change interrupt.
● Ideal for UNO R3 and other MCU controlled simple relays, buzzers, buttons, and LEDs.
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