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๐ Dive into Innovation with Waveshare's E-Ink Display!
The Waveshare 2.9inch e-Paper Display Module features a 296x128 resolution and operates on both 3.3V and 5V, making it compatible with a variety of microcontrollers like Raspberry Pi and Arduino. With ultra-low power consumption and the ability to retain the last displayed content without power, this module is perfect for eco-conscious developers looking to create efficient and long-lasting projects.
| ASIN | B07P6MJPTD |
| Additional Features | Partial Refresh and Long Lasting Display |
| Aspect Ratio | 2.31:1 |
| Brand | Waveshare |
| Color | 2.9inch E-Ink Display Module |
| Compatible Devices | Computer |
| Connectivity Technology | VGA |
| Contrast Ratio | 10:1 |
| Customer Reviews | 4.3 4.3 out of 5 stars (30) |
| Display Resolution Maximum | 296x128 |
| Display Technology | E Ink |
| Item Dimensions D x W x H | 3.8D x 6.7W x 11.6H centimeters |
| Manufacturer | Waveshare |
| Model Name | 2.9inch e-Paper Module" or "2.9inch E-Ink Display Module |
| Model Number | 2.9inch E-Ink Display Module |
| Native Resolution | 296x128 |
| Number of Component Outputs | 1 |
| Pixel Pitch | 0.138 |
| Power Consumption | 26.4 Milliwatts |
| Refresh Rate | 0.5 hertz |
| Resolution | 296x128 |
| Response Time | 300 Milliseconds |
| Screen Finish | Glossy |
| Screen Size | 2.9 Inches |
| Shape | rectangular prism |
| Total Number of HDMI Ports | 1 |
| UPC | 614591448280 |
| Viewing Angle | 170 Degrees |
| Voltage | 3.3 Volts, 5 Volts |
N**.
Great E-Paper display for my first project playing with this tech. I am using the GxEPD library and struggled some to get it working, the main issue was choosing the correct display class in the code. The following worked for this display: #include <GxDEPG0290BS/GxDEPG0290BS.h> // 2.9" b/w Waveshare variant, TTGO T5 V2.4.1 2.9" I also used the I/O pins set in the code. My processor is standard ESP32 Dev Board (not the Waveshare dev board)
R**R
I really liked this device even though I had one hell of a head scratching, hair pulling misadventure trying to get it hooked up correctly and working with a ESP 8266 D1 Mini. However after finally hit on the proper wiring and configuration it really is quite amazing. I am using it in a Clock app where once a minute I wake up the D1 Mini from Deep Sleep, update the display, do a bit of housekeeping, and put it back to sleep for another 60 seconds. The display uses almost NO power even during the Update. In my app with a tiny 680 mAh Li-On battery it ran for 7 days on a single charge. My last obstacle is getting Fast Partial Updates to work after coming back from Deep Sleep. I have no doubt that it is something that I am doing wrong, but I see additional hair loss in my future before I get past that hurdle.
A**R
Update: After using some sandpaper to sand down the plastic that was causing the connector to not fit it finally works. People should not have to sand down a connector to have it fit the slot it was designed for. Original: The connector that was sent with the 2.9 inch display was the wrong one. It semi fit, but. Easily gets disconnected. Even when using decent force the connector doesn't go into the screen's port much at all. I have no clue if this is the reason why the display is refusing to work or if it is a faulty one. Tried 3.3v port on raspberry pi 3b and 5v. Disappointed.
M**S
The first three units (from Amazon) were good and did everything they were supposed to do including partial updates. The next units I bought through Amazon were problematic. One came without the special connector, one didn't work at all, and two did not do partial updates -- essential for my application. All units came from the same third party. All units were tested on the same ESP32 development board and with the same code.
Trustpilot
2 months ago
1 month ago