With this simple device, you can adjust the speed of the drill, grinder, in general, electric motors connected to the 220 Volt network.You can also adjust the heating of the soldering iron, the brightness of the incandescent lamp and other 220V load.The device uses phase-pulse load regulation, which is controlled by a BTA16-600 triac.The charge and discharge of the capacitor C1 can be regulated by a variable resistor, thereby changing the speed of the motor or the brightness of the lamps.If you have a triac with the letters BW or CW in the name, then you can not put the snubber chain R3 C2, since the snubber is installed in triacs.Triac for tap the heat is installed on a small radiator.
It is necessary to pay attention to the variable resistor, there are differences in them as linear or logarithmic and vice versa-logarithmic, a linear variable resistor is needed in the device.
The DB3 dinistor can be obtained from old lamps.
