Waveshare 1.54inch NFC-Powered e-Paper No Battery Wireless Powering & Data Transfer Node MCU ESP8266 V3 (LOLIN CH340 chip) Is this NPN or PNP

Is this NPN or PNP

Active-High Output Enable (OE) pins for each buffer pair

Most affordable way to add WiFi to any existing microcontroller project

and noise reduction

and a V6 engine with moving pistons teach authentic mechanical principles through hands-on building

Waveshare 1.54inch NFC-Powered e-Paper No Battery Wireless Powering & Data Transfer Node MCU ESP8266 V3 (LOLIN CH340 chip) Is this NPN or PNPWaveshare 1. 54inch NFC Powered e Paper No Battery Wireless Powering & Data Transfer The Waveshare 1. 54inch NFC Powered e Paper is an innovative wireless display module that eliminates the need for traditional power supplies and wired data connections through advanced NFC (Near Field Communication) technology. This battery free e paper display is designed for embedded systems engineers, IoT developers, and smart label manufacturers who require ultra