WSAL22688 – 1.9inch Segment e-Paper Module/en
Documentation notice: This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.
Summary
The 1.9-inch segment e-paper module (WSAL22688/WSAL22689) is a raw display with 91 segments and an I²C bus. It is suitable for temperature/humidity meters, humidifiers, and digital meters.
Related products at JW Tech
- WSAL22688 – 1.9inch Segment E-Paper Raw Display, 91 Segments, I2C Bus, Ideal for Temperature and humidity meter, Humidifier, Digital Meter
- WSAL22689 – 1.9inch Segment E-Paper Module, 91 Segments, I2C Bus, Ideal for Temperature and humidity meter, Humidifier, Digital Meter
Technical overview
- Display type: Segment e-paper raw display
- Resolution / number of segments: 91 segments
- Interface: I²C bus
- Suitable for: temperature and humidity meter, humidifier, digital meter
- Supported platforms: Raspberry Pi, Arduino UNO R3, STM32 (via STM32CubeMX)
- Available demos: C language, Python, Arduino-based
- Wiki resources: documents, demos, datasheets
- FAQ section on common e-paper questions
Notes and version constraints
- No exact electrical values, commands, or compatibility lists present in the source
- Version-sensitive steps require human confirmation
- No prices, stock levels, certifications, or warranty information in the source
- Safety notes must be confirmed by the manufacturer
Source and revision record
- 1.9inch Segment e-Paper Module - Waveshare Wiki
- Source revision: 105689
- Captured: 2026-09-03T04:17:51+00:00
- SHA-256:
83d34e6c97fd71cd3f0512d4a0056ae9a08955f25d8b37c53df6da29da973b1d