{"product_id":"m5stack-coreink","title":"M5Stack CoreInk","description":"\u003cp\u003e\u003cstrong\u003eThe M5Stack CoreInk combines an ESP32-PICO-D4 controller with a 1.54\" low-power E-Ink display, offering an ideal platform for portable IoT dashboards, status displays, and battery-efficient embedded projects.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe M5Stack \u003cstrong\u003eCoreInk is a main control device\u003c\/strong\u003e with an\u003cstrong\u003e E-Ink display\u003c\/strong\u003e launched by M5Stack, using the \u003cstrong\u003eESP32-PICO-D4\u003c\/strong\u003e controller. \u003c\/p\u003e\n\u003cp\u003eThe front is embedded with a \u003cstrong\u003e1.54\" E-Ink display\u003c\/strong\u003e with a \u003cstrong\u003eresolution of 200x200\u003c\/strong\u003e, supporting black\/white display. Compared to ordinary LCD screens, the E-Ink display provides a better text reading experience, with features such as low power consumption and image retention when powered off.\u003c\/p\u003e\n\u003cp\u003eFor human-machine interaction, it offers a rotary switch and physical buttons, integrated LED indicator, and buzzer. It has a \u003cstrong\u003ebuilt-in 390mAh lithium battery\u003c\/strong\u003e, combined with an \u003cstrong\u003einternal RTC (BM8563)\u003c\/strong\u003e to achieve timed sleep and wake-up functions, providing excellent battery life.\u003c\/p\u003e\n\u003cp\u003eThere are independent power and reset (RST) buttons on the left side and bottom of the device, making it easy to use and debug. It offers a\u003cstrong\u003e variety of peripheral interfaces\u003c\/strong\u003e (\u003cstrong\u003eHY2.0-4P, M5-Bus, HAT\u003c\/strong\u003e module interface) to expand various sensor devices, providing infinite possibilities for subsequent application development.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eLithium Battery Shipping: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003eDue to courier restrictions, this product can only be shipped within the United Kingdom. With this item in your cart, your shipping options will be limited and may cost more than our usual rates. Why?\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped based on ESP32, supports WiFi\u003c\/li\u003e\n\u003cli\u003eBuilt-in 4M Flash\u003c\/li\u003e\n\u003cli\u003eLow power consumption display panel\u003c\/li\u003e\n\u003cli\u003eNearly 180-degree viewing angle\u003c\/li\u003e\n\u003cli\u003eHuman-machine interaction interface\u003c\/li\u003e\n\u003cli\u003eMagnetic back design\u003c\/li\u003e\n\u003cli\u003eBuilt-in lithium battery\u003c\/li\u003e\n\u003cli\u003eRich expansion interfaces\u003c\/li\u003e\n\u003cli\u003eDevelopment Platform\n\u003cul\u003e\n\u003cli\u003eUiFlow1\u003c\/li\u003e\n\u003cli\u003eUiFlow2\u003c\/li\u003e\n\u003cli\u003eArduino IDE\u003c\/li\u003e\n\u003cli\u003eESP-IDF\u003c\/li\u003e\n\u003cli\u003ePlatformIO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP32-PICO-D4 @ Dual-core processor, 240MHz main frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDMIPS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSRAM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWi-Fi\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4 GHz Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V @ 500mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C x 1, HY2.0-4P x 1, M5-Bus female connector, top HAT expansion interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE-ink Screen\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGDEW0154M09, SPI interface, 200 x 200@1.54\", Dpi:184, 1-bit black\/white display (Grayscale: 2), Viewing area size (mm): 27.6 x 27.6, Dot pitch (mm): 0.138 x 0.138, Refresh time (s): 0.82, Partial refresh time (s): 0.24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical Button\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProgrammable button x 1, reset button x 1, power button x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen LED x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRTC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBM8563\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuzzer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePassive buzzer * 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4G 3D antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin breakout\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG25, G26, G36, G23, G34, G18, G21, G22, G14, G13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e390mAh@3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 ~ 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic ( PC )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56.0 x 40.0 x 16.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e31.5g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWhen using, please avoid high-frequency refreshing for a long time. It is recommended to refresh at intervals of (15s\/refresh).\u003c\/li\u003e\n\u003cli\u003eDo not expose to ultraviolet light for a long time, as this may cause irreversible damage to the E-Ink display.\u003c\/li\u003e\n\u003cli\u003eCoreInk uses a low-power power management scheme different from CORE and StickC devices.\u003c\/li\u003e\n\u003cli\u003eWhen using, the PWR button is used as the power-on button (long press for 2s). To shut down the device, you need to use the software API or press the reset button on the back.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x M5Stack CoreInk\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":53697549762836,"sku":"xzj1787258199465","price":23.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/9486\/7220\/files\/m5stack-coreink_1.jpg?v=1787258204","url":"https:\/\/regalwearstore.shop\/products\/m5stack-coreink","provider":"My Store","version":"1.0","type":"link"}