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Adafruits Metro RP2040 Packs a Raspberry Pi RP2040 and Extras Into an Arduino UNO Form Factor

Adafruit’s Metro RP2040 Packs a Raspberry Pi RP2040 and Extras Into an Arduino UNO Form Factor

Adafruit has announced a new entry in its Metro line of Arduino UNO form factor microcontroller development boards, and this time it’s playing host to a Raspberry Pi RP2040 dual-core Arm Cortex-M0+ chip — and it’s called, unsurprisingly, the Adafruit Metro RP2040. “This is the RP2040 Metro Line, making all station stops at ‘Dual Cortex […]

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GIVE YOUR PROJECTS A RETRO TINT WITH THIS 8051 BASED ARDUINO UNO

GIVE YOUR PROJECTS A RETRO TINT WITH THIS 8051-BASED ARDUINO UNO

Most of us are familiar with the Arduino Uno, a starting place for electronics projects since 2010. But what if the Arduino Uno was released in 1980? You’d probably get something like [ElectroBoy]’s 8051-based Arduino Uno. The Arduino Uno-compatible board has an MCS-51 (often called 8051 instead) instead of the usual ATmega328P/ATmega168. Specifically, [ElectroBoy] uses the AT89S52.

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