{"product_id":"pgez-pca9671-gpio-expander-zero-stackable-max-64-boards","title":"PGEZ PCA9671 GPIO Expander Zero - Stackable (Max 64 boards)","description":"\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cb\u003ePGEZ Zero\u003c\/b\u003e is a new STEM Maker and Developer SDK board, based on an PCA9671 GPIO Expander, wrapped in a compact mechanical Pi Zero form.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003ePGEZ Zero \u003c\/b\u003eis ideal for:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eEducational and Classroom projects.\u003c\/li\u003e\n\u003cli\u003eBattery powered projects such as Robotics, Drones, Cars and Vehicles, Boats and University Projects.\u003c\/li\u003e\n\u003cli\u003eFarming and Agricultural Projects.\u003c\/li\u003e\n\u003cli\u003eIndustrial applications, Test Systems and Development\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThe\u003cb\u003e GPEZ Zero\u003c\/b\u003e has been featured on, and provides a range of information: \u003ca href=\"youtube.com\/watch?v=chLIlq1uky4\"\u003eyoutube.com\/watch?v=chLIlq1uky4\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"font-size: x-large;\"\u003eStackable Design Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003ePGEZ Zero\u003c\/b\u003e has been design to be stackable.  In fact, you could in theory stack 64 x PGEZ boards, each with its own I2C address, selectable using the provided DIP Switches.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: x-large;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"font-size: x-large;\"\u003eInterfacing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe \u003cb\u003ePGEZ Zero\u003c\/b\u003e has been designed to be as flexible as possible, providing easy interfacing support to, and not exclusively:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eRaspberry Pi (and other flavours)\u003c\/li\u003e\n\u003cli\u003eEspressif ESP\u003c\/li\u003e\n\u003cli\u003eArduino\u003c\/li\u003e\n\u003cli\u003eARM\u003c\/li\u003e\n\u003cli\u003eSTM32\u003c\/li\u003e\n\u003cli\u003eAVR\u003c\/li\u003e\n\u003cli\u003eMicrochip PIC\u003c\/li\u003e\n\u003cli\u003eGROVE EcoSystem\u003c\/li\u003e\n\u003cli\u003eOthers..\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: x-large;\"\u003e\u003cstrong\u003eLED GPIO\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: x-large;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe \u003cb\u003ePGEZ Zero\u003c\/b\u003e includes low current LEDs on each output, so you quick see the state of the GPIO\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: x-large;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"font-size: x-large;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003ePGEZ Zero\u003c\/b\u003e features the new PCA9671 GPIO Expander.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003ePCF8575 Replacement\u003c\/li\u003e\n\u003cli\u003e16 GPIO Ports (Inputs or Outputs)\u003c\/li\u003e\n\u003cli\u003e64 I2C Addresses\u003c\/li\u003e\n\u003cli\u003eSelectable 3V3 or 5V\u003c\/li\u003e\n\u003cli\u003eGPIO 5V Tolerant Inputs\u003c\/li\u003e\n\u003cli\u003eLow Current LED on each GPIO (can be disabled)\u003c\/li\u003e\n\u003cli\u003eHardware and Software Resets\u003c\/li\u003e\n\u003cli\u003eSupports 400 kHz and 1 MHz I2C Bus\u003c\/li\u003e\n\u003cli\u003eStackable design (up to 64 boards\/addresses)\u003c\/li\u003e\n\u003cli\u003eHardware reset via Pi Header, or User Button\u003c\/li\u003e\n\u003cli\u003eWS2812 RGB LED, via Pi Header GP18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"font-size: x-large;\"\u003eGPIO Pin Headers\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe PGEZ Pin Header provides GND, GPIO and VCC (which can be selected as 3V3 or 5V).\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eAs a single board, you could solder the provided 3 x 16 Pin Headers.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eIn a stacked project, angled Pin Headers could be separately purchased and fitted, so allow easy access to all 16 GPIOs.\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: x-large;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"font-size: x-large;\"\u003eSoftware Coding Support\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003ePGEZ Zero is supported in various development environments including:\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003ePlatformIO\u003c\/li\u003e\n\u003cli\u003eArduino IDE\u003c\/li\u003e\n\u003cli\u003ePython\u003c\/li\u003e\n\u003cli\u003eC Libraries\u003c\/li\u003e\n\u003cli\u003eOthers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003ePCA9671 Libraries are available for for Arduino and Raspberry Pi.   The PCA9671 is a replacement product for the PCF8575 and shares most commands. It does though additionally have a hardware reset.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eLibrary: github.com\/RobTillaart\/PCA9671\u003c\/div\u003e","brand":"DitroniX","offers":[{"title":"Default Title","offer_id":53391094186312,"sku":"PGEZ","price":14.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8507\/9368\/files\/pgez-pca9671-gpio-expander-zero-stackable-max-64-boards-4057023.png?v=1782753744","url":"https:\/\/ditronix.net\/products\/pgez-pca9671-gpio-expander-zero-stackable-max-64-boards","provider":"DitroniX","version":"1.0","type":"link"}