For quick prototyping, it’d be better to use a pre-wired MAX6675 breakout board rather than a bare chip soldered on an SMD adapter ... just four pins: VCC, GND, SDA, and SCL. You can, of course, try ...

The Arduino UNO ... Adhering to the UNO form factor, the UNO R4 Minima ensures hardware compatibility with its predecessors. This means that transitioning from the UNO R3 to the R4 Minima will ...

Software scalability is also supported on the new board, allowing easy upgrades for projects made with UNO R3 or Leonardo. Requests from the Arduino community ... additional pins to turn off ...

The new UNO R4 board comes in two versions, with and without Wi-Fi connectivity, and maintains the form factor, shield compatibility and 5V power supply of the UNO R3. The UNO R4 with its 96 red LED ...

Arduino will continue to make available the Arduino UNO R3 and provide support to all those Arduino enthusiasts that have and would like to create projects using its 8-bit AVR microcontroller.