ARM Cortex M0 core running at 16MHz 256KB flash memory 32KB SRAM
Transport: SPI at 4MHz with HW IRQ (5 pins required)
5V-safe inputs (Arduino Uno friendly, etc.)
On-board 3.3V voltage regulation
Bootloader with support for safe OTA firmware updates Easy AT command set to get up and running quickly

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1 inch
Height : 1 inch
Length : 2 inch

Item Weight: 2.08 ounce (View shipping rates and policies)
Shipping Weight: 2.08 ounce (View shipping rates and policies)

ASIN : B01HNG0RYM