Automated Testing Any serious software project should have good tests and much work has been done to automate that process. One challenging area for testing is low-level devices, such as an Arduino, ...

examples-arduino-led-blink Simple example on how to control an LED with the BlinkEasy App and an ESP32 or Arduino microcontroller. The code starts a HTTP server that is accessible over your home WiFi ...

Setup 1. Run Arduino. 2. Open the LED blink example sketch: File > Examples > 1.Basics > Blink. You should see a window like in Figure 2. 3. Choose Tools > Board, then select your board, like in ...

This should be the same port you were using for the ACIA test. Now you are ready to upload a "sketch" (small user program). Try modifying the Basic Blink example to flash on for 100msec and off for ...

To get an idea of the portability options, consider the obligatory blink example. Platforms include Arduino, ESP8266, PIC32, Chipkit, Raspberry Pi, and several more.

Now that you have installed the Arduino IDE, see Blink example for Arduino IDE for steps to run a sample application to blink an LED on your board. Install Arduino (Linux) 1.

[NerdRalph] had noticed that the “blink” example program actually includes over 1 kB of extraneous code, and that more complicated programs include even more cruft.