body { /*padding: 20px 80px 20px 20px;*/ font-family: "Source Sans Pro", sans-serif;}h2 { margin-top: 0;}.images img { max-width: 400px;}.store_desc { min-width: 800px; text-align: center; border-top: 1px solid #333; border-bottom: 1px solid #333; background-color: #D9F0FF; margin: 40px 0 20px}.third { width: 30%; display: inline-block; padding: 10px 1.5% 10px; margin: 40px 0 40px; text-align: center;}.tt { font-size: 1.4em; padding-bottom: 10px;}.col_left { position: absolute;}.col_right { margin-left: 400px; min-height: 520px; min-width: 400px;}.images img { max-height: 520px; max-width: 380px;}waveshare 4.2inch E-paper Display Module Product Details SPI interface, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc. Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32) Onboard voltage translator, compatible with 3.3V/5V MCUs Ultra low power consumption, basically power is only required for refreshing No backlight, keeps displaying last content for a long time even when power down Overview This is an E-Ink display module, 4.2inch, 400x300 resolution, with embedded controller, communicating via SPI interface. 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 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, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc. Onboard voltage translator, compatible with 3.3V/5V MCUs Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32) Specifications Operating voltage: 3.3V-5V Interface: 3-wire SPI, 4-wire SPI Outline dimension: 103.0mm × 78.5mm Display size: 84.8mm × 63.6mm Dot pitch: 0.212 × 0.212 Resolution: 400 × 300 Display color: black, white Grey level: 2 Full refresh time: 4s Refresh power: 26.4mW(typ.) Standby power:＜0.017mW Viewing angle:＞170° Package Content 4.2inch e-Paper Module x1 PH2.0 20cm 8Pin x1 Noted: 1. If the e-paper has ghosting problem after working for some days , please set the e-paper to sleep mode or disconnect it if you needn't refresh the e-paper but need to power on your development board or Raspberry Pi for long time.Otherwise, the voltage of panel keeps high and it will damage the panel. 2.More resources if you need , please contact us via Seller message firstly to get .
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