This circuit is better than the previous one in that the control is isolated by a transformer. The transformer has 110 or 220 V primary and 6.3 to 12 V secondary with 200 to 500 mA current.
This circuit uses damped oscillations to test an inductor. It can also be used to find the...
This circuit is from a 1965 General Electric publication. It uses a thermistor to fire a reed...
April 2017 - The kit for STMicroelectronics STM32F7 32-bit microcontrollers is available from...