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PCF8575 Module Expansion IO port Expander board DC 2.5 5.5V I2C communication control 16 IO ports For Arduino| | - AliExpress
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PCF8574 i2c digital I/O expander: Arduino, esp8266 and esp32, basic I/O and interrupt – Part 1 – Renzo Mischianti
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MCP23017 Serielles Schnittstellenmodul IIC I2C SPI MCP23S17 Bidirektionale 16-Bit I/O Expander Pins 10Mhz Serielles Schnittstellenmodul MCP günstig kaufen — Preis, kostenloser Versand, echte Bewertungen mit Fotos — Joom
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