Arduino UNO Proto Shield prototype expansion board
$58.84
$84.73
Product Highlights Microcontroller : Atmel ATmega168 or ATmega328. Operating Voltage (logic level) : l5 V. Input Voltage (recommended) : 7-12 V. Input Voltage (limits) : 6-20 V. Digital I/O Pins : 14 (of which 6 provide PWM output).
