String communication over serial for arduino is annoying and frankly, more obtuse than it should be but it is what it is. Examples and code vary and in general they either stop short or carry on so ...

The code converts the input string, letter for letter, and responds in the serial monitor with each individual letter and morse code as it is transmitted through the onboard activity led.

Programmable Logic Controllers (PLC) are widely used in industrial to run an automated system. PLC must have some means of receiving and interpreting signal from another device such as sensors and ...