WSAL10628 – 4.3inch e-Paper UART 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.
Catalog location in the JW Tech Shop:
- WSAL10628 – 800x600, 4.3inch e-Paper UART Module: Other products
Summary
The module is a 4.3-inch e-paper display with a serial interface and 800x600 resolution. It supports 4-level grayscale, has a built-in font library, and includes internal NandFlash storage.
Related products at JW Tech
Technical overview
- Interface: UART; default baud rate after power-up: 115200
- Resolution: 800 x 600 pixels
- Graphics: 1-bit and 2-bit bitmap images; other formats must be converted to the specified format
- Image file names: uppercase letters, length under 10 characters including the dot, e.g. PIC7.BMP correct, PIC7890.BMP incorrect
- Internal storage: 128 MB NandFlash for fonts and image data
- External storage: TF card formatted as FAT32 required
- Supply voltage: VCC 3.3–5.5 V
- Logic level: compatible with 5 V; sleep-mode current below 5 mA
- Sleep/wake behavior: status indicator on during normal operation, off in sleep mode; rising edge on WAKE_UP pin wakes the system
- Applications: e-book readers, mall POS displays, shelf labels, industrial instrument displays
Notes and version constraints
- The exact Arduino wiring is truncated in the source – please verify against the full document
- The complete command set is not present in the available sections – consult the full documentation
- Converting images requires the external tool uC-GUI-BitmapConvert.exe – availability not guaranteed
- Use of external waveform files depends on the driver IC – details are version-sensitive
- Color variation on tri-color models is a normal phenomenon – no guarantee of uniform color
Source and revision record
- 4.3inch e-Paper UART Module - Waveshare Wiki
- Source revision: 75771
- Captured: 2026-08-29T08:06:03+00:00
- SHA-256:
ec993a27490532f7127b028ee79b757f19d8a93b1ccbc70c0fcdd49a2e38902e