The Esquilo Air is a complete IoT development system built around a 120MHz ARM Cortex-M4F processor with built-in WiFi and a web-based IDE that runs directly on the board — no cloud required. Write, debug, and deploy code from any browser, all in the palm of your hand.

With 1MB of flash, 256KB SRAM, and 46 digital I/Os, this board packs serious capability into an Arduino UNO R3-compatible form factor. It features 802.11b/g/n WiFi, a hardware cryptography engine, and a micro-SD slot for local storage up to 32GB.

Key Features

• Processor – 120MHz ARM Cortex-M4F with hardware floating point
• Memory – 1MB flash, 256KB SRAM, 8KB EEPROM
• WiFi – 802.11b/g/n with hardware cryptography engine
• Digital I/O – 46 pins (5V tolerant inputs)
• PWM Outputs – 18 channels
• Analog Inputs – 16 channels at 16-bit resolution (4 differential)
• Analog Output – 12-bit resolution
• Serial Interfaces – 2× SPI, 2× I2C, 5× UART, 1× CAN
• Storage – Micro-SD slot with FAT32 support (up to 32GB)
• Power – 6–17V DC input or 5V via micro-USB
• Dimensions – 78.6 × 53.6 × 12.8mm
• Weight – 28.5g
• Compatibility – Arduino UNO R3 shield compatible

Ideal For

• IoT and connected device prototyping
• WiFi-enabled sensor and automation projects
• Standalone embedded applications
• Education and rapid development

Package Contents

• 1× Esquilo Air Development Board