More Arduino fun
Temperature sensor. Notice how the reading changes as a place my finger on the sensor to heat it up
A photo resistor controlling LED brightness. The photo resistor varies its resistive value based on light received. I have a motion detector security light that went bonkers. We can hack that next to see of it is the sensor thats broken.
Controlling LED with push button switches.
An array of LEDs blinking in sequence
Multi color LED. It is hard to see because LED’s are super bright and the iPhone can’t capture them well.