A 10 ohm quarter watt resistor is wrapped round a smoke match (used for checking air flow). When 12V is applied across the resistor it burns out and ignites the smoke match.
(Note the use of a traditional quarter watt, 10 ohm carbon film resistor. These burn better than metal film ones.)
(Note the use of a traditional quarter watt, 10 ohm carbon film resistor. These burn better than metal film ones.)
I dont know what good it will do me, but I'm here
Nicely done! 🙂
@marlin187 It probably would, but not as fast as a 12V battery/power supply would.
@d2kool594 They are used to test airflow in chimneys and vents.