{"product_id":"i2c-multiplexer-phat-for-raspberry-pi","title":"I2C Multiplexer pHAT for Raspberry Pi","description":"\u003cp\u003eThis pHAT allows you to connect multiple I2C devices with the same address onto a single I2C bus.\u003c\/p\u003e\n\u003cp\u003eIt's a tidy and compact way of connecting an I2C multiplexer IC (TCA9548A) to a Pi - ideal for coupling with a \u003ca href=\"\/en-eu\/products\/raspberry-pi-zero-w\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePi Zero W\u003c\/a\u003e for a neat remote monitoring and graphing setup (though it's also compatible with all models of Pi with a 40 pin GPIO).\u003c\/p\u003e\n\u003cp\u003eThe EEPROM automatically loads the correct i2c-mux overlay and turns it into 8 individual I2C buses (\/dev\/i2c-3 to \/dev\/i2c-10) allowing direct communication with the I2C devices as normal (via i2cdetect \/ i2cget \/ i2cset \/ Python SMBUS, etc).\u003c\/p\u003e\n\u003cp\u003eFor each multiplexed output there are 4 pins:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSDAx\u003c\/li\u003e\n\u003cli\u003eSCLx\u003c\/li\u003e\n\u003cli\u003eGND\u003c\/li\u003e\n\u003cli\u003eV\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \"V\" output can be altered from the default 3.3 volts to 5 volts by cutting the PCB trace between V and 3v3 and bridging V to 5v. The 3.3v supply is taken directly from the Pi 3v3 rail so care should be taken not to overload it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: \u003c\/strong\u003eproduct colour may vary, some production runs have been on a green PCB, but there is no functional difference :-)\u003c\/p\u003e","brand":"8086","offers":[{"title":"Default Title","offer_id":31920963846227,"sku":"8086-006","price":8.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/8086I2C_1of1.jpg?v=1596213365","url":"https:\/\/shop.pimoroni.com\/en-eu\/products\/i2c-multiplexer-phat-for-raspberry-pi","provider":"Pimoroni Ltd","version":"1.0","type":"link"}