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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
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- To process your return/exchange, please contact us at [email protected]
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4.7 ★★★★★
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Product Reviews
★★★★★ 5
Excellent deodorant!
Scent: Santal Vanilla
This is great deodorant. I have used it for a month now and it prevents all underarm odor for the entire day. Its formula is smooth and easy to apply without being rough on my skin. Its scent is very natural and almost unnoticeable. Overall this is great deodorant that works well at hiding underarm odor. I love that it's organic and doesn't contain aluminum, too! This is a great product that I would get again. It's long lasting and feels good on my skin.
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Reviewed in the United States on January 11, 2026
★★★★★ 2
Not for everyone
Scent: Santal Vanilla
This product smells amazing but unfortunately did not help. By hour 5 of wearing this product, I had body odor. Not every body is the same, so it’s because it didn’t work for me doesn’t mean it won’t work for someone else.
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Great! Unscented
Flavor Name: Unscented, Size: 1 count (Pack of 5)
Good natural ingredients, you can tell by the scent and texture and the ingredients list is spot on, no lies. This is perfect for sensitive skin. It has a pleasant olive oil scent and I have never gotten a rancid smell from it. The natural preservatives keep it nice. I have re-ordered over and over. Good product
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Heals chapped lips with natural ingredients
Flavor Name: Unscented, Size: 1 count (Pack of 5)
Love that it is all natural & uses products from our past that are good for you. Definitely helped heal chapped lips.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Love this All Natural, Made in America, Refreshing Mint Lip Balm!
Flavor Name: Fresh Mint, Size: 1 count (Pack of 5)
This is my fourth order of Mint Tallow Honey Lip Balm from Terra Lotus. My entire family of 6 (including 2 picky teens) loves this lip balm and reaches for it over the popular yellow brand of lip balm we still have laying around (even though I don't buy it anymore).
I love that Terra Lotus is an American company and their grassfed tallow and honey products are Made In America. I also love that I can pronounce every one of their ingredients, each of which could be edible. Please continue making this lip balm forever...especially in Mint!
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Reviewed in the United States on February 14, 2026