2.9 inch E-Paper bw Display: Difference between revisions
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|faq=Q: | |faq=Q: What driver IC is used for this 2.9‑inch e‑paper? | ||
A: | A: It adopts SSD1680 driver IC with SPI interface. | ||
Q: | Q: What is the maximum grayscale level of this screen? | ||
A: | A: It supports up to 4 grayscale levels for better image layering. | ||
Q: What refresh modes does this screen have and how fast is it? | |||
A: It supports full refresh, fast refresh and partial refresh. Partial refresh can be as fast as 0.3 seconds. | |||
Q: What colors can this 2.9‑inch e‑paper display? | |||
A: It only outputs black and white colors. | |||
|dl1Type=Demo | |dl1Type=Demo | ||
|dl1Name=2.9 inch E-paper(BW) ESP32.zip | |dl1Name=2.9 inch E-paper(BW) ESP32.zip | ||
Revision as of 21:42, 23 August 2026
E-Paper
Introduction
1. Supports fast refresh and partial refresh, cost‑effective. Highly recommended.
2. Refresh modes: Full refresh: 3 s; Fast refresh: 1.5 s; Partial refresh: 0.3 s
3. Display orientation: Landscape & Portrait
4. Bistable display (retains the last displayed image after power‑off)
5. Pure reflective display, ultra‑wide viewing angle over 170°
6. Hard‑coated anti‑glare treatment; zero blue‑light and zero radiation
7. Zero power consumption while static (no refresh required), eco‑friendly & low‑carbon
8. Display colors: Black & White, supports 4‑level grayscale
Specifications
| Product Model | GDEY029T94 |
|---|---|
| Size | 2.9 inch |
| Type | Graphic Dot Matrix |
| Driver IC | SSD1680 |
| Resolution | 296×128 |
| Overall Dimension (mm) | 79×36.7×1.2 |
| Active Area (mm) | 66.896×29.056 |
| Pixel Pitch (mm) | 0.227×0.226 |
| Operating Temperature | 0℃~50℃ |
| Storage Temperature | -25℃~70℃ |
| Connector | 24 Pin FPC |
| Maximum Grayscale | 4 |
| Interface | SPI |
| Power Consumption (mW) | 9 |
| Standby Power Consumption (mW) | 0.003 |
| Full Refresh Time (s) | 3 |
| Fast Refresh Time (s) | 1.5 |
| Partial Refresh Time (s) | 0.3 |
Hardware
1. Compatible with ESP8266, ESP32, STM32 and Arduino series motherboards, connected through an efficient SPI interface, and accompanied by detailed technical documentation and operation manuals to simplify the development process.
2. You can use the following dedicated test board to quickly and conveniently verify our program demo, effectively providing development progress.
(1) ESP8266 E-paper Development Kit
(2) ESP32 E-paper Development Kit
Size
FAQ
Q: What driver IC is used for this 2.9‑inch e‑paper?
A: It adopts SSD1680 driver IC with SPI interface.
Q: What is the maximum grayscale level of this screen?
A: It supports up to 4 grayscale levels for better image layering.
Q: What refresh modes does this screen have and how fast is it?
A: It supports full refresh, fast refresh and partial refresh. Partial refresh can be as fast as 0.3 seconds.
Q: What colors can this 2.9‑inch e‑paper display?
A: It only outputs black and white colors.
Downloads