Working of LDR controlled LED using Arduino. As per the circuit diagram, we have made a voltage divider circuit using LDR and 100k resistor. The voltage divider output is feed to the analog pin of the ...

Code and diagrams to build an Arduino-based infrared light bridge and relay circuits for 1:32 scale slotcar track using the Ultimate Racer RMS. This was used to build a 4 lane track for the Tiny ...