ESP8266 (Tensilica L106)
4 devicesESP8266 boards for low-cost Wi-Fi IoT sensor nodes.

LILYGO TO-ESP8266 OLED SH1106
ESP8266
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

LOLIN D1 Mini V3
Dev Board
Compact WiFi development board based on the ESP8266-12F module. Features 4 MB flash, 11 digital I/O pins, Micro-USB, and a rich shield ecosystem. One of the most popular boards for IoT projects.

Heltec WiFi Kit 8
Development Board
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.

BigTreeTech ESP8266 WiFi Module
Wireless Module
ESP8266-based WiFi transceiver expansion module for BTT 3D printer control boards. Available in ESP12S and ESP-07 variants, enabling wireless connectivity and remote control via serial UART.
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More to explore — popular traits shared by devices with CPU: ESP8266 (Tensilica L106).