Arduino ESP8266 WiFi Shield - Espruino

JavaScript on a Microcontroller

Type-C ESP8266 ESP-12 ESP-12F NodeMcu Mini D1 Module WeMos Lua 4M Bytes WLAN WiFi Internet Development Board Base on ESP8266 ESP-12F for Arduino,Compatible with WeMos D1 Mini (10pcs Type-C) : Electronics

SparkFun WiFi Shield - ESP8266

Espruino: The Challenges of Running an Open Source Hardware and Software Company - Make

How to connect Wi-Fi shield ESP-12E-ESP8266-UART-WIFI-Wireless-Shield with Arduino - Arduino Stack Exchange

Getting Started with Espruino & JavaScript on ESP32 with ESPino32 Board - CNX Software

ESP8266 WiFi Module - Espruino

Espruino Pico Robot PCB

Espruino: The Challenges of Running an Open Source Hardware and Software Company - Make

Espruino Pico Unpinned, 101803

Back from the Dead: How I Revived a Fried Espruino Board, by Uri Shaked