{"product_id":"tca9548a-i2c-8-channel-multiplexer-module","title":"TCA9548A I2C 8-Channel Multiplexer Module — Arduino","description":"\u003ch2\u003eTCA9548A I2C 8-Channel Multiplexer Module — Arduino\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTCA9548A I2C multiplexer module\u003c\/strong\u003e solves the most common I2C problem — \u003cstrong\u003eaddress conflicts\u003c\/strong\u003e. Connect up to \u003cstrong\u003e8 identical I2C sensors\u003c\/strong\u003e (same address) on a single Arduino I2C bus by routing each sensor to an independent channel. Select which channel is active via I2C commands — enabling 8 BME280s, 8 MPU-6050s, or any combination of same-address sensors on one bus.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIC: \u003cstrong\u003eTCA9548A\u003c\/strong\u003e | Channels: \u003cstrong\u003e8 independent I2C channels\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInterface: \u003cstrong\u003eI2C (0x70–0x77, 3 address pins)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply voltage: \u003cstrong\u003e1.65–5.5V\u003c\/strong\u003e | Channel voltage: \u003cstrong\u003e1.65–5.5V (independent)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMax modules: \u003cstrong\u003e8 (64 total channels)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSolves I2C address conflicts\u003c\/strong\u003e — use 8 identical sensors on one bus\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndependent voltage per channel\u003c\/strong\u003e — mix 3.3V and 5V I2C devices\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e8 selectable addresses\u003c\/strong\u003e — stack up to 8 modules for 64 channels\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAdafruit TCA9548A library\u003c\/strong\u003e — simple channel selection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMultiple identical I2C sensor arrays (BME280, MPU-6050)\u003c\/li\u003e\n\u003cli\u003eI2C bus expansion for complex projects\u003c\/li\u003e\n\u003cli\u003eMixed 3.3V\/5V I2C device interfacing\u003c\/li\u003e\n\u003cli\u003eOLED display arrays with same I2C address\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45670708805867,"sku":"","price":11.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/PCA9548A-I2C-Multiplexer-Module.jpg?v=1723009349","url":"https:\/\/keszoox.com\/products\/tca9548a-i2c-8-channel-multiplexer-module","provider":"Keszoox","version":"1.0","type":"link"}