Hot Wire Foam Cutter

3,934

17

Controllable
Adjustable
Safety 
Isolation

20V3A power conversion, Chinese woodworking saws, 2, guitar strings, dimmer switch. Tighten the pvc pipe by rotating the guitar strings.

Done little to improve, add the root diameter of 8 mm compression spring about 10 mm long.

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Step 1:

Circuit

Step 2:

2 guitar strings fixed method is very simple is not it?



Done little to improve, add the root diameter of 8 mm compression spring about 10 mm long.

Step 3:

a temperature control circuit

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