Output
LED (5 mm) + 220 Ω resistor
A basic indicator light. Always pair with a current-limiting resistor.
Pinout
- ANODEdigital
- CATHODEground
Bench notes
The longer leg is the anode (+). The resistor can go on either leg.
- Typical price
- $0.15
- Libraries
- none needed
- Prompt keywords
- led, light, blink, lamp