Feb 2, 2025 · Power The Arduino Uno board can be powered via the USB connection or with an external power supply. The power source is selected automatically. External (non-USB) power can come …

Sep 12, 2024 · As you may know, Arduino Uno R4 is great, but NOT fully compatible with Arduino Uno R3. Therefore, I created a series of Arduino Uno R4 tutorials for beginners I tested Arduino R4 WiFi …

Jun 12, 2024 · Hello everyone, I am currently working on a project where I'm trying to communicate with my ESP01 using a software serial connection, primarily via AT commands. Please refer to the …

Jun 20, 2025 · Open the Arduino IDE (version 2.x recommended). Go to Tools > Board , and select Arduino UNO R4 Minima . Go to Tools > Port, and select the DFU port (if available). Open a basic …

Making embedded systems accessible to all

May 30, 2025 · Hello everyone, I'm encountering a persistent and frustrating issue with Hardware SPI on my Arduino Uno WiFi R4 board when attempting to use an ILI9341 TFT display with an XPT2046 …

Oct 7, 2025 · Discussion about the UNO Q board

Oct 25, 2025 · Hi everyone just unpacked my anticipated Uno Q Christmas gift, successfully went through some issue at getting it properly work, ran through basic examples like “Blink LED”. It’s the …

Oct 21, 2014 · Somewhere on the control board I intend to have a reset button which I guess I would - somehow - connect to the Reset pin. The UNO specifications says " Reset. Bring this line LOW to …

Jan 22, 2015 · When I connect my first Arduino Uno board with the USB cable to the PC, the green light on the board lights up, and the orange light goes into the blinking mode - indicating that the board is …