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Description
Waveshare 4.2 inch 400x300 E-Ink Display Module, SPI InterfaceOverview 1. This is an E Ink display module, 4. 2inch, 400x300 resolution, with embedded controller, communicating via SPI interface. 2. Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on. Features 1. No backlight, keeps displaying last content for a long time even when power down 2. Ultra low power
Overview1. This is an E-Ink display module, 4.2inch, 400x300 resolution, with embedded controller, communicating via SPI interface.
2. Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on.
Features
1. No backlight, keeps displaying last content for a long time even when power down
2. Ultra low power consumption, basically power is only required for refreshing
3. SPI interface, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc.
4. Onboard voltage translator, compatible with 3.3V/5V MCUs
5. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)
Specifications
1. Operating voltage: 3.3V~5V
2. Interface: 3-wire SPI, 4-wire SPI
3. Outline dimension: 103.0mm × 78.5mm
4. Display size: 84.8mm × 63.6mm
5. Dot pitch: 0.212 × 0.212
6. Resolution: 400 × 300
7. Display color: black, white
8. Grey level: 2
9. Full refresh time: 4s
10. Refresh power: 26.4mW(typ.)
11. Standby power: <0.017mW
12. Viewing angle: >170 degree
13. Weight: 0.052 kg
Interface
1. SYMBOL: DESCRIPTION
2. VCC: 3.3V~5V
3. GND: Ground
4. DIN: SPI MOSI pin
5. CLK: SPI SCK pin
6. CS: SPI chip selection, low active
7. DC: Data/Command selection (high for data, low for command)
8. RST: External reset, low active
9. BUSY: Busy status output, low active
Package contents
1. 4.2inch e-Paper Module x1
2. PH2.0 20cm 8Pin x1
Specification:
| Package Weight |
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Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.1 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Perfect size..fitting..casual
Color: Black, Size: Medium
Perfect size...exect size ...nice quality I'm so much happy and shirt is good quality .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Easy to order, fast delivery, great quality for the price.
Color: White, Size: Large
My husband had been looking for a white dress shirt, in oxford material off and on for two years. Most dress shirts are so big on the sides because we usually have to fit about a 17 1/2" neck. Started looking at Amazon's clothing section. Saw the COOFANDY Men's Long Sleeve Regular Fit Button Down Oxford Shirt, and ordered by Large instead of sleeve length, neck size, etc. I ordered as a surprise hoping it would work. When the COOFANDY shirt arrived, I had him try it on. Perfect fit, nice oxford material. Washed and ironed before he wore it to church. He loved it! I have now ordered three more COOFANDY men's long sleeve shirts. Hubby now wants me to see if they have short sleeve shirts! Great buy at $25.00.
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Reviewed in the United States on February 21, 2026
★★★★★ 4
Can beat the price, but a little tight
Color: Grey Blue, Size: 4X-Large
I usually order 3x shirts,but sometimes 4x on dress shirts.This shirt is 4x and still a little tight.One would be wise to order a size higher.Looks nice.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
better than I expected
Color: Khaki, Size: Large
Arrived on time. Looks more expensive than cost, fit was true to size, and packaging was neat and compact.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
True size, color, accuracy, nice comfortable fabric
Coofandy I have several products from them. All of them are of good quality and look higher and.
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Reviewed in the United States on May 14, 2026