Arduino enthusiasts looking for a development board that is Internet of Things ready and offers 12 functions including a WiFi plug, Clock , EEPROM, SD, buzzer, NRF24 plug, LCD, RGB led, rotary encoder ...
This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...
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