A simple sawtooth wave generator circuit is used in many different situations where waveforms are needed, like in oscilloscopes, TV circuits, function generators and PWM systems. The IC 555 timer chip is really popular because it is so flexible and works great for making a sawtooth wave with an easy circuit design. This circuit can […]
Simple 6V DC Motor Speed Controller Circuit using IC CD 40106
A simple and effective circuit to control the speed of a 6V DC motor can be made using the IC CD 40106. This design lets you change the motors speed by adjusting the duty cycle of the input voltage making it a practical way to control speed. This Simple 6V DC Motor Speed Controller Circuit […]
Transistor Based Stepper Motor Drive Circuit
Stepper motors are really popular in automation, robotics and CNC machines because they can control movements very accurately. The Transistor Based Stepper Motor Drive Circuit is a simple way to run a unipolar stepper motor using logic gates and transistors. This circuit uses four 2N2222 transistors to control the motors windings and it has two […]
Relay Connections at the Collector and Emitter Sides of a Transistor: Which is Better?
Relays are really important in electrical circuits especially when it comes to switching things on and off. These devices help control high power loads using low power signals, which makes them super useful in many electronic systems. Often, transistors are the main parts that control how these relays work. By using a transistor to manage […]
Simple Temperature Based DC Fan Controller Circuit using Transistors
A simple but powerful temperature controlled DC fan controller circuit that uses transistors is really important for automatically cooling devices when they reach a certain temperature. This feature helps prevent overheating and improves efficiency. The circuit uses a thermistor to sense the temperature, which allows it to control the DC fan based on temperature changes. […]
Controlling a DC Motors Direction Circuit with IC 555 Timer
Controlling the direction a DC motor spins can be done easily with a circuit that uses the IC 555 Timer. This method is really useful in areas like automation, robotics and other motorized gadgets where you need to switch between moving forward and backward. The circuit includes a 555 timer chip, a transistor and a […]