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WaveShare 4.2inch E-Paper E-Ink Display Module (B) for Raspberry Pi Pico, 400×300, Red / Black / White, SPI- RS1961
WaveShare 4.2inch E-Paper E-Ink Display Module (B) for Raspberry Pi Pico, 400×300, Red / Black / White, SPI- RS1961
SKU:RS1961
Low stock: 2 left
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Delivery Time
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COD (Cash on Delivery)
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- Operating voltage: 3.3V/5V
- Display color: red, black, white
- Resolution: 400 x 300 pixels
- Grey scale: 2
- Interface: 3-wire SPI, 4-wire SPI
- Viewing angle: >170°
- Partial refresh time: N/A
- Full refresh time: 15s
- Outline dimensions: 93.5 x 78.5mm
- Display size: 84.8 x 63.6mm
- Refresh power: 26.4mW (typ.)
- Standby current: <0.01uA (almost none)
- Dot pitch: 0.212 x 0.212mm
Description :
This is a 4.2inch e-Paper display module for Raspberry Pi Pico, 400 x 300 pixels, supports red, black, white colors. SPI interface.
Features :
- No backlight, keeps displaying last content for a long time even when power down.
- Ultra-low power consumption, basically power is only required for refreshing.
- SPI interface, requires minimal IO pins.
- Onboard voltage translator, compatible with 3.3V / 5V MCUs.
- 2 x user buttons for easy interaction.
Specifications :
- Operating voltage: 3.3V/5V
- Display color: red, black, white
- Resolution: 400 x 300 pixels
- Grey scale: 2
- Interface: 3-wire SPI, 4-wire SPI
- Viewing angle: >170°
- Partial refresh time: N/A
- Full refresh time: 15s
- Outline dimensions: 93.5 x 78.5mm
- Display size: 84.8 x 63.6mm
- Refresh power: 26.4mW (typ.)
- Standby current: <0.01uA (almost none)
- Dot pitch: 0.212 x 0.212mm
Working Protocol :
This product is an E-paper device adopting the image display technology of Microencapsulated Electrophoretic Display, MED. The initial approach is to create tiny spheres, in which the charged color pigments are suspending in the transparent oil and would move depending on the electronic charge. The E-paper screen displays patterns by reflecting the ambient light, so it has no background light requirement. (Note that the e-Paper cannot support updating directly under sunlight).
Hardware connection :
- Please take care of the direction when connecting Pico. A logo of the USB port is printed to indicate the directory, you can also check the pins.
- If you want to connect the board by an 8-pin cable, you can refer to the table below
- e-Paper Pico Description
- VCC VSYS Power input
- GND GND GND
- DIN GP11 MOSI pin of SPI interface, data transmitted from Master to Slave.
- CLK GP10 SCK pin of SPI interface, clock input
- CS GP9 Chip select pin of SPI interface, Low active
- DC GP8 Data/Command control pin (High: Data; Low: Command)
- RST GP12 Reset pin, low active
- BUSY GP13 Busy pin
- KEY0 GP2 User button 0
- KEY1 GP3 User button 1
- RUN RUN Reset
Package Included :
1 x 4.2inch E-Paper E-Ink Display Module (B)