The Bridge V Learning 2(clone) - Page 85

To make a magnetometer you need: -Two transistors BC 547 -capacitors 3,3 nF and 2,2 nF and 10nF -resistors 6,8 kΩ and 10kΩ and 220kΩ Mielec, 6 th September 2017 Magnetometer- Do It Yourself -an integrated circuit LM 386 - a capacitor 10mF -a loudspeaker -a battery 9V -a copper wire 3mm -a card board and a plastic cup -a glue tube -a soldering iron -a switch