![electronics - How to check if all pins are connected on my board to make sure Arduino sends the correct pattern number on my tool - Arduino Stack Exchange electronics - How to check if all pins are connected on my board to make sure Arduino sends the correct pattern number on my tool - Arduino Stack Exchange](https://i.stack.imgur.com/VoSVn.jpg)
electronics - How to check if all pins are connected on my board to make sure Arduino sends the correct pattern number on my tool - Arduino Stack Exchange
![Tutorial 11: If Statement (and else-if), Comparison Operators and Conditions - Programming Electronics Academy Tutorial 11: If Statement (and else-if), Comparison Operators and Conditions - Programming Electronics Academy](https://i0.wp.com/www.programmingelectronics.com/wp-content/uploads/2014/01/07-If-Statement-Conditionals_bb4-e1346624202309-1024x888-1024x888.jpg)
Tutorial 11: If Statement (and else-if), Comparison Operators and Conditions - Programming Electronics Academy
![UNO stopped working. The SMD chip gets very hot, it does not run the code anymore and does not communicate anymore (cannot upload anything). "ON" and "L" LEDs light up when powered. UNO stopped working. The SMD chip gets very hot, it does not run the code anymore and does not communicate anymore (cannot upload anything). "ON" and "L" LEDs light up when powered.](https://i.redd.it/cd7kzsem4xj71.jpg)