Waveshare 4.2 Inch Bare e-Paper Screen + Driver Board Onboard ESP8266 Module Wireless WiFi Black and White Display

Note This product comes with 4 2 Inch Bare ink screen Product introduction The electronic ink screen network driver board can obtain picture information from a PC or a smart phone via WiFi and display the information through an electronic ink screen Support for development can be used like other boards Driver Board Features Onboard ESP8266 support for developmentProvide HTML host computer program factory built in electronic ink screen driver open source Support Floyd Steinberg dithering algorithm to get more color combinations and better shadow rendering of original imagesSupport a variety of common image formats BMP JPEG GIF PNG etc Easy to integrate into a variety of web applicationsProvide a complete supporting information manual Driver Board Parameter WiFi standard 802 11b g nCommunication interface 3 wire SPI 4 wire SPI default Working voltage 5VWorking current 50mA 100mADimensions 29 57mm x 48 26mmThrough hole diameter 2 9mmScreen Features No backlight required power off can keep the last screen display for a long timeVery low power consumption basically only consumes power when refreshingProvide complete supporting information manual driver schematic Raspberry STM32 and other sample programs Screen Parameters Working voltage 3 3VCommunication interface 3 wire SPI 4 wire SPIDimensions 90 1mm77 0mm1 18mmDisplay size 84 8mm63 6mmPoint distance 0 2120 212Resolution 400300Display color black whiteGray level 2Refresh power