"John Smith testing the circuit with the old Hedgehog power supply"
Equipment List:
- 2216 Circuit Board with:
- 10 Volt Bulb in Socket A.
- 2.2 Volt Bulb in Socket B.
- D Cell Battery in The first Battery Holder.
- 100 Ohm Resistor in the component holder.
- 10 Ohm Resistor in the component holder.
- Collection of Alligator cable:
- 4 Red Alligator to Alligator.
- 4 Black Alligator to Alligator.
- 2 Green Alligator to Alligator.
- 2 White Alligator to Alligator.
- 2 Yellow Alligator to Alligator.
- Red banana plug cord
- Black banana plug cord
- Black alligator clips
- Red alligator clips
- Analog Ammeter
- Knife Switch
- Autorange Multimeter
- Current Limited Power Supply
Notes and tests:
- Check that all the bulbs work and that spares are set out for the class to replace burned out bulbs.
- Stuff components tube with resistors listed. Resistors are kept in the small parts bin at the back of 4018.
- Test the battery before each use. All batteries should test at the 80% level or better.
- Test that all power supplies and ammeters work properly.