Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products.

Nov 20, 2024 · Used for communication between the Arduino board and a computer or other devices. All Arduino boards have at least one serial port (also known as a UART or USART), and some have …

Feb 12, 2024 · Learn how to use the new Serial Monitor tool in the Arduino IDE 2, and how it works differently from older versions.

Oct 2, 2024 · This example shows you how to read an analog input pin, map the result to a range from 0 to 255, use that result to set the pulse width modulation (PWM) of an output pin to dim or brighten an …

Oct 2, 2024 · In the program below, the very first thing that you do will in the setup function is to begin serial communications, at 9600 bits of data per second, between your board and your computer with …

Jul 5, 2025 · Probaly the shortest solve so far... found this post after i wrote all this... note to self, do not work on this stuff after 12 hour night shifts... [ESP32C3 Serial.print not working - #3 by ptillisch] …

Oct 30, 2025 · The developers investigated the problem and found a bug in Arduino App Lab that causes the sketch program output to not be received by Serial Monitor when App Lab is running on a …

Nov 5, 2020 · In this tutorial, we are going to learn how we can install python on our computer and how to use it with Arduino, it allows us to send data between a computer though Arduino's serial.

Feb 3, 2026 · I often times have a USB to Serial adapter connected to them, and a Serial monitor program connected up to the Serial object on your PC. For example on my Windows machine I have …

Feb 5, 2026 · Experienced strange output in a complex motor controller sketch. So I wrote the following sketch to see what happens. Same garbled output. #include "Arduino_RouterBridge.h" int a = 0; int b …