Arduino Industrial 101 Board Powered by Atmel AVR and Atheros AR9331 WiSoC Targets Industrial IoT Applications


Arduino boards were first used by hobbyists, educators and their students, but in recent year more and more professional engineers have started to build prototypes with Arduino boards before moving to the design of the final product. Arduino Srl went further by designing an industrial grade board,  namely Arduino Industrial 101, combining an Atmel AVR for real-time I/O control, and a Qualcomm Atheros AR9331 for WiFi connectivity.

Arduino_Industrial_101Arduino Industrial 101 (A000126) specifications:

  • Arduino part
    • MCU – Atmel ATmega32u4 AVR MCU @ 16 MHz with 32KB flash, 2.5 KB SRAM, 1KB EEPROM
    • Digital I/O Pin – 20, with 7 PWM and UART
    • Analog Input Pins – 12
    • DC Current per I/0 – 40 mA
    • Operating Voltage – 5V
  • Linux (LininoOS) part (101 Industrial LGA “Chiwawa” module)Arduino_Industrial_101_doghunter
    • Processor – Atheros AR9331 MIPS processor @ 400 MHz
    • System Memory – 64 MB DDR2
    • Storege – 16 MB flash
    • WiFi – 802.11 b/g/n 2.4 GHz
    • 10/100M Ethernet & USB 2.0 via through holes
    • Operating Voltage – 3.3 V
  • Common / General specs
    • Input Voltage – 5 V
    • Power Consumption – 130 mA
    • Dimensions – 51 x 42 mm
    • Weight – 12 grams


The board is completely unrelated to the Intel Curie based Arduino 101 produced by Arduino LLC, which may lead to confusion.

Block Diagram - Click to Enlarge
Block Diagram – Click to Enlarge

The Atheros processor run LininoOS based on OpenWrt. The board can be setup like another OpenWrt router, and the Atmel processor programmed using the Arduino IDE. Documentation can be found on Arduino Labs.

Arduino Industrial 101 is available now for $38 to $55 from distributors such as RS Components, or SwitchScience.

Via Electronics Weekly and Nanik

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