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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
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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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]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 4
Fun treat/toy your dog will love!
Color: Green, Color: Green
I bought this puzzle toy as a birthday present for my dog. She loves it!!! It took her a minute to get the hang of it but now she’s a pro at getting the treats out. It’s durable and easy to fill. I have it for 3 months and there is no damage to it. She hasn’t chewed it but once in a while she will carry it around hinting she would like it filled. The price point is great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
Fun Brain stimulating puzzle toy
Color: Green
this is a Great Puzzle/brain toy for puppies! My Dog really enjoys interacting with it! It is well made and larger than most of the ones I saw.. sturdy stable and very good for puppies to use their brain to figure out how to get a treat!! recommend highly and price was fair and shipped very quickly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
★★★★★ 5
Definitely recommend this product
Color: Green
Very pleased with this item - it is very similar to the Outward Hound brand but less expensive. I chose this product which doesn’t have easily removable parts - they would be a chocking hazard. Overall it seems durable, engaging and chew resistant - as long as your dog is supervised
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Reviewed in the United States on June 7, 2026
★★★★★ 3
Needs improvement
Color: Green
The cups are deep enough and the bone has to have the circle to rotate before the bone can move. I had a hard time figuring it out and so has Our dog . There are 4 black rubber parts included but no instruction on what to do with them. After seeing the toy move across the floor, I figured out these needed to go on the bottom 4 corners. Cute, but needs improvement.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Great treat toy
Color: Green
Great toy for mind stimulation. Somes i feed her in this especially when i have to leave her at home for couple hrs. Best toy for beginners dogs who is new to these type of toys. Recommend. Our other dog husky mix still needs assistance on using it but she is getting there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
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