Starter kit from NXP Semiconductors (formerly Freescale) based on the Kinetis KL25Z microcontroller with an Arm Cortex-M0+ core, featuring an OpenSDA debug interface, capacitive touch slider, RGB LED and Arduino R3 compatible connectors. NXP FRDM-KL25Z

Digital Potentiometer, Digilent, RoHS

Microcontroller board based on the ATmega328P

Steven W. Smith

Robert A. Pease

Walt Kester

Microcontroller board based on the ATmega32u4

Sensor Expansion Board for Arduino, RoHS

Expansion Shield For Arduino Mega 2560 or 1280

Ethernet board with mini SD card slot based on W5100 controller.

Prototype board for Arduino with Mini Bread Board