Super Simple ignition coil drivers
Super Simple ignition coil drivers
Super Simple ignition coil drivers

Step 1: Lets start with the bacics

Super Simple ignition coil drivers

OK, an ignition coil (or spark coil) is a type of induction coil similar to a Tesla coil . it's used in combustion engines. and produces up to 50,000 volts (a 2-4CM spark) at a lethal current of 25ma.

to power it, you need a square wave. you cant use standard AC because the coil WILL EXPLODE!

Step 2: How my schematic works.

Super Simple ignition coil drivers

This is how my schematic works: heres is a schematic that shows what the capacitor does. This the first schematic. It is a good driver for making big, hot sparks (not to be confused with arcs).

Step 3: My schematic (cheap and easy)

Super Simple ignition coil drivers
Super Simple ignition coil drivers
Super Simple ignition coil drivers
Super Simple ignition coil drivers
Super Simple ignition coil drivers

this is my schematic its easy, but it, with my power source, only makes about 20 KV (1 inch ark) at a low fixed freq. it's also noisy but still very cool. this makes VERY small streamers due to its frequency. and makes cool plasma globes out of light bulbs.

simple____ || ________________hard

$0.01__ || ___________________$50+

harmless shock ___ || __________________electrocution

Step 4: A super simple driver

this ridiculously simple driver with no doubt simple,and exceptionally cheap and can easily produce 40KV! there are a few disadvantages with it, its mains powered, making it dangerous, and the frequency is not adjustable.

simple_ || ___________________hard

$0.01_______ || ______________$50+

harmless shock _________________ || ____electrocution

(due to my laziness and super slow Internet, instead of pictures, here's another instructable showing how to build it. it will have the pictures and schematic in it)

Step 5: 555 timer driver

Super Simple ignition coil drivers

Another popular coil driver is the popular is this 555 timer driver.

it oscillates a transistor that drives the coil. its a little more costly and complicated but its overall relatively simple.

you can tune the output by the POTs. I haven't made the driver yet

simple____ || ________________hard

$0.01_____ || ________________$50+

harmless shock ____ || _________________electrocution

Step 6: Another 555 timer driver

Super Simple ignition coil drivers

Here is another 555 timer driver. There are a few more components added and changed.
to me this is the most complicated circuitry I found.

simple_________________ | | ___hard

$0.01_____ || ________________$50+

harmless shock _______ || ______________electrocution

Step 7: SCR driver

Super Simple ignition coil drivers
Super Simple ignition coil drivers

now, the SCR driver.

this just makes static like sparks and works by charging a high voltage capacitor and then discharging it through the ignition coil.

simple_________________ || ___hard

$0.01________ || _____________$50+

harmless shock __________________ || ___electrocution

 
 

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