Micro controller: ATmega328, Input Voltage (limits): 6-20V, Digital I/O Pins: 14 (of which 6 provide PWM output).
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Updated: 27-06-2025
Price history and price alert
Here is price history (for all/most countries) for UNO R3 Arduino Development Board. The lowest price was: $7.43.
Price records source(s): Gearbest
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You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).