Waveshare 2PCS 2.7inch Passive-Powered E-Paper Module, Novel Passive NFC Technology, No Battery Required, No More Battery Life Trouble, Black and White Display Colors

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Equipped with Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna Built in 512KB SRAM and 384KB ROM, with onboard 16MB Flash and 8MB PSRAM Onboard 5inch capacitive touch display, options for 800×480/1024x600 resolution, 65K color Supports capacitive touch control via I2C interface, 5-point touch with interrupt support Onboard voltage regulator, supports 7~36V wide range power supply Onboard RTC chip and rechargeable battery to ensure time data is not lost when power loss Onboard CAN, RS485, I2C interface and TF card slot, GH1.25 2P battery header and digital isolated IO interfaces, etc. Supports passive and active digital input, with bi-directional optocoupler isolation Supports digital output with optocoupler isolation, provides higher driving capability with up to 450mA sinking current