ESP8266 WiFi MCU

ESP8266 development board with 1.3-inch SH1106 OLED display, 8 digital I/O pins, CH9102 USB-serial, 3.3V operation, WiFi 802.11 b/g/n, and JST 1.25mm LiPo connector — supports ESPHome and Tasmota firm

Compact ESP8266-based WiFi dev board with 1MB flash, 2 GPIO pins, and 802.11 b/g/n. Runs Arduino, MicroPython, ESPHome, and Tasmota firmware for smart home and IoT projects.

Compact ESP8266 WiFi IoT microcontroller with Tensilica L106 at 80/160MHz, 16MB flash, 50KB SRAM, 10 digital I/O, onboard LiPo charging, 46uA low-power mode, OTA updates, and Arduino/MicroPython suppo

Breadboard-friendly ESP8266 WiFi breakout at 80 MHz with 802.11 b/g/n, 9 GPIO, 3.3V logic, 500mA regulator, and pre-loaded NodeMCU firmware — Adafruit's accessible entry point to ESP8266 development.

All-in-one ESP8266 WiFi Feather board at 80 MHz with 802.11 b/g/n, USB-serial (CP2104), LiPo charging, 9 GPIO, and 4MB flash — the easiest way to add WiFi to a portable battery-powered project.

ESP8266-based IoT development board by Heltec with built-in 0.91-inch OLED display, Li-Po battery management, and WiFi connectivity in a compact 50.9x18.2mm form factor.