Fig. 1 110/220VAC 4 Step Control Touch Dimmer Switch Lamp Circuit with PCB This type of circuit is widely used in lampshades that are sold in residential lighting stores, it activates an incandescent bulb through the touch on the device's casing…

Fig. 1 - How to Wire LEDs in 110V or 220 Volts - 6 Different Circuits! Formulas & Calculations! Today we will show you 6 different ways to wire 3mm or 5mm LED s, which are low voltage DC components, into a 110V or 220V AC voltage grid! We…

Fig. 1 - How To Make Rechargeable Emergency LED Light Using LM350 IC with PCB You know that night when the power grid collapses and the power goes out, so we need a light to illuminate the darkness. That's when we realized that we would need som…

Fig.1 - 1.5V to 28V, 7.5 Amps Adjustable Symmetric Power Supply using IC LT1083 with PCB This is a power supply designed to be used in a technical bench, based on the LT1083 integrated circuit, which is an adjustable 3-terminal positive voltage re…