Get three AZDelivery D1 Mini V3.0 modules now at a special price with quantity discount! The ESP8266EX D1 mini module is a WLAN development board with a CH340C chip and a connector micro USB. This development board has 11 digital input/output pins and all pins (except D0) have interrupt / PWM / I2C / 1-wire. With dimensions of 34 x 26 x 8 mm, our D1 Mini ESP8266EX is compact and offers 4 MB of flash memory for all your projects. It is compatible with MicroPython products, and NodeMCU.AZDelivery D1 Mini V3. 0 is a programmable "physical computing platform" with ID-Arduino. The module consists of two elements, a USB serial converter (CH340C) and a microcontroller with a highly efficient TCP/IP stack. integrated (ESP8266EX). The latest version of our D1 Mini module has been completely redesigned. Precautions have been taken to ensure 100% pin and code compatibility, so that all "shields" of D1 Mini can be used without change. This AZDelivery D1 has a solder bridge on the back for sleep mode, which makes "deep sleep mode" even more comfortable to use. The two additional mounting options on this board allow the D1 Mini to be easily fixed in enclosures. This board also has a built-in fuse at automatic reset for protection.Features: Size: 34 x 26 x 8mm Main chip: ESP8266EX CH340C Storage space: 4MB 11 digital input/output pins and all pins (except D0) have interrupt/PWM/I2C/1-wire 1 analog input (input 3.2V max ) Compatible with MicroPython and NodeMCU Scope of delivery: 1 x D1 Mini V3.0 module E-book for easy entry