Peter Hraska built Enkiplate, a Japanese flashcard system for the Soldered Inkplate 4TEMPERA, and published the code and documentation on GitHub. Read the card, tap to reveal the answer, then rate how you did. The scheduler tracks what needs practice. Today’s temperature range and the next three calendar events sit above the card. No accounts, no streaks, no notifications.

The hardware is the Inkplate 4TEMPERA with a 600 x 600 touchscreen, an ESP32, 4 MB of flash and PSRAM. Other Inkplate models would need a firmware port. A companion service runs on the host machine, rendering typography and paper textures into 3-bit frames and sending them to the device over WiFi or USB. macOS is the tested host and Windows is not supported.

Setup pulls the JMdict English dictionary and imports common entries. Weather comes from Open-Meteo, and calendar events come from a private .ics feed, with all-day and cancelled events skipped.…