{"title":"E-Paper Display","description":null,"products":[{"product_id":"nm-epd-420","title":"NM-EPD-420 4.2 inch e-Paper ESP32-S3 Development Board WiFi Weather Station Dashboard AHT20 ES8311 Codec","description":"\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003eProduct Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe NM-EPD-420 is a fully integrated 4.2 inch tri-color ( B\/W\/R) e-Paper ESP32-S3 development board, specially designed for desktop smart weather dashboard, LoRa Desktop Station. Integrates ESP32-S3, e-ink display, AHT20 temerature and humidity sensor, audio input \u0026amp; output, Lithium battery charging management and multi expansion interfaces into the PCB.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003e\u003cstrong\u003eNewly SKU details:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe NM-EPD-420-BW: ( GYE042A87 black-and-white panel)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eFull refresh (black \/ white) takes approximately 2-3 seconds, with partial refresh supported in approximately 1 second.\u003c\/li\u003e\n\u003cli\u003eThe black-and-white panel is recommended for applications that need faster content updates.\u003c\/li\u003e\n\u003cli\u003eHT-RA62 HF module \u003cspan style=\"color: rgb(0, 148, 147);\"\u003e(\u003cstrong\u003eEU868 \/ 863–928 MHz)\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe NM-EPD-420-BW version is suitable for fast-refresh applications and includes LoRa support by default, making it suitable for indoor desktop LoRa nodes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThe NM-EPD-420-4C: ( GDEY0420F51 B\/W\/R\/Y 4-color panel)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFull refresh (black \/ white \/ red \/ yellow) takes approximately 25-30 seconds; partial refresh is not supported.\u003c\/li\u003e\n\u003cli\u003eThe four-color panel is recommended for applications that need more colors and do not require frequent updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild environment:\u003cspan\u003e \u003c\/span\u003e\u003ccode\u003enm-epd-420-4c\u003c\/code\u003e\u003c\/strong\u003e; driver:\u003cspan\u003e \u003c\/span\u003e\u003ccode\u003eGxEPD2_420c_GDEY0420F51\u003c\/code\u003e\u003cspan\u003e \u003c\/span\u003e(400×300, black \/ white \/ red \/ yellow).\u003c\/li\u003e\n\u003cli\u003eSupport colorful display ( inkstone-display).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eE-Paper only sonsumes power when refreshing screen, keeps static content displayed without power supply, so the board can work for few weeks or few months with a single 3.7V Lithum battery.\u003c\/p\u003e\n\u003cp\u003eThe ESP32-Dashboard support \u003cspan style=\"color: rgb(0, 148, 147);\"\u003e\u003cstrong\u003eweather, timeline, world clock, focus clock, agent and News\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/promo_01_hero.png?v=1785402846\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 313.5px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.9341%; height: 19.5938px;\"\u003e \u003cspan style=\"color: rgb(0, 148, 147);\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 63.7049%; height: 19.5938px;\"\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 35.9341%; height: 58.7812px;\"\u003e\u003cspan\u003e💬 \u003cstrong\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003eESP32-S3R8\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7049%; height: 58.7812px;\"\u003e240MHz Xtensa LX7, 16MB Flash + 8MB PSRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 35.9341%; height: 39.1875px;\"\u003e\u003cspan\u003e⚙️ \u003cstrong\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003eWiFI 2.4G \u0026amp; BLE 5\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7049%; height: 39.1875px;\"\u003e\u003cspan\u003eAny event can trigger the Agent Loop and more\u003cbr\u003eResponse can be as fast as milliseconds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 35.9341%; height: 39.1875px;\"\u003e\u003cspan\u003e🧬 \u003cspan style=\"color: rgb(0, 148, 148);\"\u003e\u003cstrong\u003e4.2-inch E-Paper\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7049%; height: 39.1875px;\"\u003e\u003cspan\u003eTri-color ( Black \/ White \/ Red)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 35.9341%; height: 39.1875px;\"\u003e\u003cspan\u003e📤 \u003cspan style=\"color: rgb(0, 148, 148);\"\u003e\u003cstrong\u003eAHT20\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7049%; height: 39.1875px;\"\u003e\u003cspan\u003etemperature \u0026amp; humidity sensor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 35.9341%; height: 39.1875px;\"\u003e\u003cspan\u003e🧰 \u003cstrong\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003eES8311 +DMIC\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7049%; height: 39.1875px;\"\u003e\u003cspan\u003eQAudio codec  + Microphone + 3W 4Ω Speaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 35.9341%; height: 39.1875px;\"\u003e\u003cspan\u003e🧩 \u003cspan style=\"color: rgb(0, 148, 148);\"\u003e\u003cstrong\u003eComplete expansion peripherals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7049%; height: 39.1875px;\"\u003e\u003cspan\u003eTF SD Card, USB-C port, Lithium battery Charging, USER keys, Battery Key\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 35.9341%; height: 39.1875px;\"\u003e\n\u003cdiv\u003e\u003cspan class=\"text-only\"\u003e🛠️ \u003cspan style=\"color: rgb(0, 148, 148);\"\u003e\u003cstrong\u003eLoRa Module (optional)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 63.7049%; height: 39.1875px;\"\u003e\n\u003cdiv\u003e\u003cspan class=\"text-only\"\u003eHT-RA62 LoRa module ( SX1262 module)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003eHardware Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9647%; height: 156.75px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.442%; height: 19.5938px;\"\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003e\u003cstrong\u003eCOMPONENT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2335%; height: 19.5938px;\"\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003e\u003cstrong\u003eSPECIFICATION \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.442%; height: 19.5938px;\"\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003eMain SoC\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2335%; height: 19.5938px;\"\u003eESP32-S3R8 ( Xtensa LX7 32-bit, 240MHz )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.442%; height: 19.5938px;\"\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003eWireless Protocols\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2335%; height: 19.5938px;\"\u003eWi-Fi 2.4GHz + BLE 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.442%; height: 19.5938px;\"\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003eMemory\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2335%; height: 19.5938px;\"\u003e16MB FLash + 8MB PSRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.442%; height: 19.5938px;\"\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003eInterface\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2335%; height: 19.5938px;\"\u003eUSB-C, TF Slot, Battery Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.442%; height: 19.5938px;\"\u003e\u003cspan style=\"color: rgb(0, 148, 148);\"\u003eOperation Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2335%; height: 19.5938px;\"\u003e-20℃ to 70℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.442%; height: 19.5938px;\"\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003eCertifications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2335%; height: 19.5938px;\"\u003eFCC, CE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003eNM-EPD-420 Board\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/nm_epd_420_back_interfaces_no_lora_en.png?v=1785402846\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Board with LoRa module ( HT-RA62 ):\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/nm_epd_420_back_interfaces_lora_en.png?v=1785402846\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003ePackage List\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003eThe NM-EPD-420 with 3-color B\/W\/R without LoRa module and antenna.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003eThe NM-EPD-420-4C with 4-color B\/W\/R\/Y without LoRa module and antenna.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003eOnly the NM-EPD-420-BW with LoRa and the 10 dBi Soft Antenna. (\u003cstrong\u003eEU868 \/ 863–928 MHz)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eAttention: \u003c\/strong\u003eAll the board without battery, only has a JST 1.25 PH 2-Pin connector for 3.7V Li-Po battery. Recommended size: 603030, \u003ca href=\"https:\/\/www.aliexpress.us\/item\/2251832666836443.html\"\u003ebuy on AliExpress JST 1.25 2Pin 603030 600mAh\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/storyboard_05_contents_layout.png?v=1785402847\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 148, 147);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/storyboard_05_power_on.png?v=1785402847\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/two_devices_office_desk_screen_fidelity_v1.png?v=1785402847\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe NM-EPD-420-BW with B\/W e-paper, default with LoRa: HT-RA62 module (HF, \u003cstrong\u003eEU868 \/ 863–928 MHz)\u003c\/strong\u003e  and 10 dBi Soft Antenna.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/nm-epd-420-mesh.png?v=1785402847\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe NM-EPD-420-4C with B\/W\/R\/Y 4-color e-paper. Used to desktop electronic photo album, desktop dashboard.  (\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/inkstone-1.jpg?v=1790131962\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/inkstone-2.jpg?v=1790131962\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eNotes: the photo based on project \u003ca href=\"https:\/\/github.com\/RockBase-iot\/Inkstone-firmware\" title=\"Inkstone-firmware\" rel=\"noopener\" target=\"_blank\"\u003eInkstone-firmware.\u003c\/a\u003e\u003c\/p\u003e","brand":"RockBase IoT","offers":[{"title":"NM-EPD-420","offer_id":42529919795282,"sku":"nm-epd-420","price":31.9,"currency_code":"USD","in_stock":true},{"title":"NM-EPD-420-BW","offer_id":42529919762514,"sku":"nm-epd-420-bw","price":35.9,"currency_code":"USD","in_stock":true},{"title":"NM-EPD-420-4C","offer_id":42732957368402,"sku":null,"price":31.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/promo_01_hero.png?v=1785402846"},{"product_id":"ai-epaper","title":"ROCKBASE AI E-Paper 7.09\" 6 Color E-Paper Digital Photo Frame with AI Art","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/ai-epaper-intro_cd185f77-5d04-44c3-bb5a-795e1ae442fb.png?v=1790243579\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/detail_03.png?v=1790242894\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/detail_04.png?v=1790242895\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/detail_07.png?v=1790242894\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/detail_05.png?v=1790242895\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/detail_05.png?v=1790242895\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/detail_06.png?v=1790242895\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/detail_08.png?v=1790242895\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/02_35e289ec-f738-413c-8e34-ee7ee7c6f49d.png?v=1790242895\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/01_2557dc49-043b-4142-993e-7091a69f02d7.png?v=1790242894\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/package-list.png?v=1790244965\" alt=\"\"\u003e\u003c\/p\u003e","brand":"RockBase IoT","offers":[{"title":"Default Title","offer_id":42753749516370,"sku":"AI-EPaper-7inch","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/files\/ai-epaper-intro_cd185f77-5d04-44c3-bb5a-795e1ae442fb.png?v=1790243579"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/6677\/6658\/collections\/03_fc7023fc-c173-4a5d-bb1b-723640107e3f.png?v=1790242921","url":"https:\/\/rockbase.shop\/collections\/e-paper-display.oembed","provider":"RockBase IoT","version":"1.0","type":"link"}