{"title":"Adafruit 1.54 Monochrome eInk / ePaper Display with SRAM - 200x200 Monochrome","handle":"adafruit-1-54-monochrome-eink-epaper-display-with-sram-200x200-monochrome","url":"/products/adafruit-1-54-monochrome-eink-epaper-display-with-sram-200x200-monochrome","description":"The Adafruit 1.54\" Monochrome eInk Display brings electronic paper technology to your microcontroller projects. Featuring a 200×200 pixel black-and-white display, this breakout delivers high-contrast, daylight-readable visuals that persist even when power is completely disconnected — just like printed paper.\n\nAn onboard SRAM chip offloads the frame buffer from your microcontroller's memory, sharing the same SPI bus as the display with just one extra pin. This means you can compose your image in SRAM and transfer it to the eInk panel when ready, keeping your microcontroller's RAM free for other tasks.\n\nKey Features\n\n\n200×200 Monochrome eInk – High-contrast black pixels on a white background\n\nOnboard SRAM – Offloads frame buffer so your microcontroller doesn't need 8KB of spare RAM\n\nUltra-Low Power – Image persists with no power; Enable pin lets you shut down SRAM and display completely\n\nFast Refresh – Updates in a couple of seconds (much faster than tri-colour eInk displays)\n\nMicroSD Card Slot – Store images, text files, and other display content\n\n3/5V Compatible – Onboard 3.3V regulator with logic-level safe inputs\n\nSPI Interface – Works with any microcontroller platform\n\n\nAlso Available\n\n1.54\" Tri-Colour eInk (Black/Red/White) – 200×200\n\n\nIdeal For\n\nLow-power signage and information displays\nE-reader and digital label projects\nBattery-powered status indicators\nName badges and shelf tags\n\n\nPackage Contents\n\n1× Adafruit 1.54\" Monochrome eInk display breakout with SRAM\n1× Header strip\n\n\n\nNote: Soldering required to attach the header for breadboarding or project installation.\n\n\nSpecifications\n\n\nDisplay Size – 1.54\" diagonal\n\nResolution – 200×200 pixels\n\nColours – Monochrome (black and white)\n\nOverall Dimensions – 43.5mm × 43mm × 4.6mm (1.7\" × 1.6\" × 0.18\")\n\nDisplay Area – 28mm × 28mm (1.1\" × 1.1\")\n\nMounting Holes – 4× 0.1\" / 2.5mm in corners\n\nWeight – 8.8g\n\nInterface – SPI\n\nLogic Level – 3.3V or 5V\n","vendor":"Adafruit","product_type":"physical","in_stock":false,"options":[],"variants":[{"id":5351,"title":"Default Title","sku":"AF-4196","price":48.68,"compare_at_price":0.0,"on_sale":false,"in_stock":false,"available_quantity":0,"option1":"Default Title"}]}