{"title":"Build a Weather \u0026 Calendar Display","description":"\u003cp\u003eWeather, calendars and notes on four-color e-paper. \u003cstrong\u003ePaperwake by alexclmy\u003c\/strong\u003e turns NOTE4C into a quiet display for the day ahead.\u003c\/p\u003e\n\u003cp\u003eYou are buying the \u003cstrong\u003eNOTE4C Devkit\u003c\/strong\u003e hardware. This community project requires compatible firmware, setup and its supporting software; the pictured experience is not preinstalled.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/zectrix.com\/en\/developer.html#paperwake\"\u003eExplore the project on ZECTRIX\u003c\/a\u003e · \u003ca href=\"https:\/\/github.com\/alexclmy\/paperwake\"\u003ePaperwake by alexclmy\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eEarly feedback on NOTE4C\u003c\/h3\u003e\n\u003cblockquote\u003e\n\u003cp\u003e“Cool product so far”\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e— \u003ca href=\"https:\/\/x.com\/ytiralugins\/status\/2098051710111383861\"\u003eALEX (@ytiralugins)\u003c\/a\u003e, Paperwake’s creator, sharing an early impression after receiving NOTE4C.\u003c\/p\u003e","products":[{"product_id":"note4c-devkit","title":"NOTE4C Devkit","description":"\u003cp\u003e\u003cstrong\u003eFour-color e-paper. Complete hardware. Open development.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNOTE4C Devkit is a fully assembled 4.2-inch four-color e-paper development device powered by ESP32-S3. Its black, white, red, and yellow display makes it a practical starting point for electronic labels, status boards, photo cards, schedules, and other low-power information displays.\u003c\/p\u003e\n\u003ch2\u003eBuilt for open development\u003c\/h2\u003e\n\u003cp\u003eThe accompanying open-source reference firmware covers Wi-Fi provisioning, image transfer, and basic four-color display validation. The display, mainboard, battery, enclosure, controls, and core peripherals are already assembled, so you can focus on firmware and product development.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 4.2-inch four-color e-paper, 400 × 300 pixels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Black, white, red, and yellow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e ESP32-S3, dual-core Xtensa LX7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 16 MB Flash and 8 MB PSRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e 2.4 GHz Wi-Fi and BLE 5.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 2,000+ mAh battery with USB Type-C charging and data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Speaker, microphone, physical buttons, status light, magnetic back, and expansion GPIO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 97 × 97 × 8.75 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDevelopment device notes\u003c\/h2\u003e\n\u003cp\u003eA full-screen refresh typically takes more than 10 seconds, making NOTE4C Devkit best suited to static or occasionally updated content rather than animation or real-time dashboards. It does not include NOTE4 consumer firmware or official AI voice features.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE4C Devkit is a development device and does not include a commercial product warranty. Hardware manufacturing defects may be eligible for support, subject to assessment and applicable law.\u003c\/em\u003e\u003c\/p\u003e","brand":"Zectrix Lab","offers":[{"title":"Default Title","offer_id":52267876974890,"sku":null,"price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7962\/1674\/files\/note4c.jpg?v=1787747577"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7962\/1674\/collections\/paperwake-note4c-bright.png?v=1791788260","url":"https:\/\/shop.zectrixlab.com\/collections\/build-a-weather-calendar-display.oembed","provider":"Zectrix Lab","version":"1.0","type":"link"}