Thursday, 9 February 2012

Week 11
As I have not yet obtained the 0.2 ohm resistor, I have temporarily replaced it with a 2.7 ohm resistor until I get the proper one. Hopefully it will be good enough to test the circuit.

The circuit has been powered up and is able to adjust voltage levels but I cannot determine if the current adjuster is working. This is because I cannot get a reading from the multimeter which is strange as I know there is current there as there is an led next to where I am testing for current. When the circuit is powered up the led lights but when I break the circuit and close it with the multimeter the led does not light. The multimeter is not allowing current to pass through it.

On the multimeter ther are options for testing DC an AC, I pressed the AC button and the led lit up. this is intersting as I am not supplying the circuit with AC. this will have to be investigated further.

No comments:

Post a Comment