JJ003

This is JJ Code JJ003.

This circuit takes power in from the left hand side (use 5V or a current source) and runs it through an LED in series with a 150 Ω resistor. To complete the circuit you need to attach an ammeter to the banana sockets on the right hand side.

For more information see:

• Electronics Project #25: Variable Brightness LED for Testing Ammeter | In The Lab With Jay Jay
• Learning the Art of Electronics: 1L.4.3 10 mA Ammeter | In The Lab With Jay Jay