The Electric Imp is a WiFi-enabled development platform in an SD card form factor, powered by a Cortex-M3 processor core. It provides an integrated way to connect hardware devices to other devices and internet services over 802.11b/g/n WiFi, with cloud-based development and over-the-air programming.

Simply configure WiFi credentials optically using an iOS or Android smartphone — no special hardware required — then develop code in a browser-based IDE using Squirrel, a C-like scripting language. Cloud connectivity provides buffered I/O, crash recovery, and the ability to push updates to devices in the field.

Key Features

• 802.11b/g/n WiFi – Built-in transceiver with integrated antenna and WEP/WPA/WPA2 encryption
• Cortex-M3 Processor – High performance with low power consumption
• 6 Flexible I/O Pins – Software-selectable UART, I²C, SPI, analog in/out, PWM, and GPIO
• Cloud-Based IDE – No SDK to install, no JTAG pods — develop directly in your browser
• Over-the-Air Programming – Push code updates to deployed devices with a few clicks
• TLS Encrypted – Secure data transfer between device and cloud service
• Optical WiFi Setup – Configure network credentials using your smartphone screen

Specifications

• Processor – ARM Cortex-M3
• WiFi – 802.11b/g/n
• Security – WEP, WPA, WPA2, TLS
• I/O – 6 pins (UART, I²C, SPI, ADC, DAC, PWM, GPIO)
• Language – Squirrel (C-like)
• Dimensions – 32 × 24 × 2.1 mm

Ideal For

• IoT prototyping and connected device development
• Remote monitoring and data logging
• Cloud-connected sensor networks
• Rapid WiFi-enabled hardware prototyping

Resources

• Hookup Guide
• Squirrel Language