In electronic devices, a crowbar circuit is a safety feature that guards against high voltage spikes and surges damaging circuits. It functions similarly to a fuse, but instead of just burning itself out, it quickly cuts off electricity and stops more harm by causing a short circuit. Usually, it makes use of a thyristor SCR […]
Security and Protection
Simple Over Voltage and Reverse Voltage Protection Circuit
Your electronic gadget is protected from damage caused by inappropriate voltage application by a basic over voltage and reverse voltage protection circuit. When compared to utilizing simply a diode, this circuit using a P channel MOSFET FQP47P06 provides a more reliable option. Simple single diodes can be used to protect the circuit against reverse voltage, […]
Stop Dog Barking using this IC 555 Circuit
A basic H bridge PWM circuit using an IC 555 integrated circuit can be used to control the barking of dogs and stop it. The key component of this circuit is that the ultrasonic tweeter, is driven through the two IC 555s and four driver transistors. Circuit Working: Parts List: Category Description Quantity Resistor 1k […]
Simple Stun Gun Circuit using IC 555
The IC 555 stun gun circuit is a basic electrical device that generates a high voltage output suitable for non lethal self defense. Prior to attempting to construct such a gadget, it is crucial to understand the associated hazards and legal consequences. Circuit Working: Parts List: Category Description Quantity Wattage Resistors 33k, 1k 1 each […]
Simple Counterfeit Money Detector Circuit
A counterfeit money detector circuit is like a high tech flashlight that helps you spot fake bills. It uses different types of light and sensors to check for special features hidden on real money. It shines a special ultraviolet UV light to reveal secret markings you cannot see normally. It has magnetic sensors to feel […]
Simple Electronic Gatekeeper Circuit
This circuit is like a tiny guard for your door. It uses sensors to see if someone is coming or going through your gate. These sensors can be like light beams or pressure pads. If someone sneaks through without permission, the circuit can trigger an alarm or send you a message to let you know. […]