modified sine wave inverter circuit

PWM Motor Speed Control Circuit with Diagram for DC Motor

A simple PWM motor speed control circuit with a diagram and schematic for low power DC motors. This easy-to-make PWM DC motor controller is created using the IC CD40106B. The PWM (Pulse Width Modulation) motor speed control circuit utilizes the CD40106B...

self powered sine to square wave converter

This circuit is designed to generate high-quality square waves by converting a sine wave obtained from an existing generator. A key feature of this circuit is that it does not require an external power source; it can be directly connected...

500W low cost 12V to 220V inverter

This circuit converts 12V DC into 220V AC. It utilizes a 4047 integrated circuit to generate a 50Hz square wave, which is then used to amplify the current and subsequently increase the voltage using a step-up transformer. The circuit operates...

15W Inverter Circuit 12VDC to 120VAC

This is the schematic diagram of a 15W inverter circuit. The circuit is based on a PNP power transistor such as the TIP32 and other similar transistors. This inverter produces a square wave output, which may cause some noticeable hum...

PWM Controller Circuit

This PWM controller circuit is suitable for managing small motors with a maximum current consumption of 2A. For higher currents, additional cooling is required. The PWM (Pulse Width Modulation) controller circuit is designed to efficiently control the speed of small DC...

An automatic voltage regulator circuit

A step-down transformer converts AC 220V to a lower voltage. A diode bridge rectifier and filter capacitor provide a direct current (DC) output, which fluctuates with variations in the grid voltage. A resistive voltage divider is used for sampling. When...

Using an inverter transistor monostable circuit diagram

The circuit diagram illustrates the connection of all three components of the series resonant crystal and triple CD4049 inverter. The supply voltage range is between 3 to 15 volts, making it suitable for various applications. This design is compact and...

DIY Circuit Car Battery Charger

This simple circuit consists of a transformer, two diodes, a capacitor, and an ammeter. To charge a battery, connect the positive and negative terminals of the circuit to the corresponding terminals of the battery. When the battery is not charged,...

Inverter Cicuit DIY

This CFL lighting kit is offered by the reputable brand Alfa, recognized for its circuits in inverter-like applications. The kit provides a stable circuit suitable for lighting a PL of 9 watts, 11 watts, or a CFL of up to...