Arduino Uno Rev3
Arduino · A000066
A000066Arduino Uno Rev3 beginner board with ATmega328P, 14 digital I/O pins, 6 analogue inputs, USB, and power jack.
Explore other component groups
ESP32 DevKit v1 visual previewArduino Uno visual preview
Raspberry Pi Pico visual preview
Adafruit Feather nRF52840 Express visual previewMCUs and boards
ESP32, Arduino Uno, Raspberry Pi Pico, and compatible add-on boards for running builds.
Boards · Microcontroller boards · 9 parts
RGB backlight positive LCD 16x2 visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
I2C 20x4 Arduino LCD Display Module visual preview
Gravity: I2C 16x2 Arduino LCD with RGB Backlight Display V2.0 visual previewDisplays
Character LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.
Displays · TFT & LCD displays · 25 parts
MQ-2 Gas Sensor visual preview
MQ-3 Gas Sensor visual preview
MQ-135 Gas Sensor visual preview
Grove - Air quality sensor visual previewAir quality
Choose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.
Sensors · Gas & air-quality sensors · 28 parts
Adafruit 4-channel I2C-safe Bi-directional Logic Level Converter visual preview
8-channel Bi-directional Logic Level Converter visual preview
74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter visual preview
74AHCT125 - Quad Level-Shifter (3V to 5V) visual previewLevel shifters
Pick level shifters by bus behavior: I2C/open-drain, auto-direction push-pull, direction-controlled buffers, or 3 V to 5 V logic. They are not universal adapters.
Components · Logic Level Converters · 21 parts