The PocketMage: An Open-Source ESP32-S3 E Ink PDA Goes Live

Short summary

The PocketMage is an open-source, ESP32-S3-based pocket PDA with a 3.1-inch E Ink display, 1.8-inch OLED, full QWERTY keyboard, and a custom FreeRTOS OS — designed for distraction-free writing, note-taking, and light coding. Hardware and firmware are Apache-2.0 licensed, with a kit at $185 and assembled units at $235 via Crowd Supply. The project serves as a reference design for embedded systems students and tinkerers, with GPIO expansion and full schematics available.

• •Open-source ESP32-S3 PDA with dual E Ink + OLED displays and QWERTY keyboard
• •Apache-2.0 hardware and firmware; kit $185, assembled $235 on Crowd Supply
• •Includes tutorial guidance for building a similar device from scratch

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