{"product_id":"seeed-xiao-esp32c3","title":"Seeed XIAO ESP32C3","description":"\u003cp\u003eBuild a small Wi-Fi sensor or Bluetooth LE project without making the controller larger than the thing it controls. The \u003cstrong\u003eSeeed Studio XIAO ESP32-C3\u003c\/strong\u003e combines a single-core RISC-V processor, 2.4 GHz Wi-Fi and BLE in the compact XIAO format. It is a practical starting point for connected sensors, wearables and custom carrier boards.\u003c\/p\u003e\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnected projects:\u003c\/strong\u003e Wi-Fi and Bluetooth LE on one board, with an external antenna included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoom for peripherals:\u003c\/strong\u003e 11 digital I\/O with PWM, plus UART, I²C and SPI for your sensors and displays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery-powered builds:\u003c\/strong\u003e onboard lithium-battery charging supports portable projects. Follow the battery wiring guidance rather than improvising the polarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino setup:\u003c\/strong\u003e Seeed's guide covers the board package, pin map and a first Blink program.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich XIAO ESP32 should I choose?\u003c\/summary\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seeed-xiao-esp32c3\"\u003eXIAO ESP32-C3\u003c\/a\u003e: single-core Wi-Fi and Bluetooth LE for compact connected projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seeed-studio-xiao-esp32c6\"\u003eXIAO ESP32-C6\u003c\/a\u003e: choose this when your project needs Thread or Zigbee alongside Wi-Fi 6.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seeed-xiao-esp32s3\"\u003eXIAO ESP32-S3\u003c\/a\u003e: dual-core processing with 8 MB PSRAM and 8 MB Flash for larger applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese are programmable development boards, not ready-configured smart-home appliances. Check your chosen firmware and peripherals before buying.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eSpecifications and pin access\u003c\/summary\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e ESP32-C3, 32-bit single-core RISC-V, up to 160 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 400 KB SRAM and 4 MB Flash\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e 2.4 GHz Wi-Fi 802.11 b\/g\/n and Bluetooth LE 5.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O:\u003c\/strong\u003e 11 digital GPIO\/PWM and four ADC-capable pins; functions share pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterfaces:\u003c\/strong\u003e UART, I²C and SPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Reset and Boot buttons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e USB Type-C or a suitable 3.7 V rechargeable lithium battery using the documented battery pads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor reliable analogue readings, Seeed recommends ADC1 pins A0, A1 and A2 rather than A3\/ADC2. Check the pin map before allocating peripherals.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch3\u003eGetting Started\u003c\/h3\u003e\u003cp\u003eUse \u003ca href=\"https:\/\/wiki.seeedstudio.com\/XIAO_ESP32C3_Getting_Started\/\"\u003eSeeed's XIAO ESP32-C3 setup guide and pin map\u003c\/a\u003e for Arduino installation, antenna connection and battery wiring. Programming needs a USB-C data cable; a charge-only cable will not do the job.\u003c\/p\u003e\n\u003ch3\u003eIncluded and Optional\u003c\/h3\u003e\u003cp\u003eOne XIAO ESP32-C3 board with an external antenna. This is not a pre-soldered-header version. The \u003ca href=\"https:\/\/www.unmannedtechshop.co.uk\/products\/2-4ghz-linear-antenna-for-xiao-esp32c3\"\u003e2.4 GHz rod antenna\u003c\/a\u003e is an optional alternative, not a requirement to make the supplied board wireless.\u003c\/p\u003e\n\u003ch3\u003eBefore You Build\u003c\/h3\u003e\u003cp\u003eExpansion boards, sensors and batteries are separate project choices. Match their wiring and electrical requirements to the board documentation; the XIAO footprint is small, but the pinout still deserves a look.\u003c\/p\u003e","brand":"Unmanned Tech","offers":[{"title":"Default Title","offer_id":68425985163488,"sku":"113991054","price":9.1,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/2358\/1408\/files\/XIAO-ESP32C3-1.jpg?v=1793698364","url":"https:\/\/www.carouselstore.co.uk\/products\/seeed-xiao-esp32c3","provider":"Carousel Store","version":"1.0","type":"link"}