Hacks of Electronics
In the world of digital electronics, Karnaugh Mapping (K-map) plays an exclusive role in analyzing and simplifying logic expressions. Digital electronics deals with discrete-valued digital signals and the electronic system is based on the logical uses of the binary notations (0 & 1) to represent the states of the variable involved in the circuit. In […]
Discover the fundamental differences between BJT and JFET. Learn about their structures, control mechanisms, advantages, and ideal applications in electronic circuits. Transistors are the fundamental building blocks of modern electronic devices, acting as switches or amplifiers in circuits. There are various types of transistors like BJT, FET, JFET, MOSFET and IGBT. Let’s see a detailed […]
Discover key rules and best practices for circuit designing. Learn about planning, simulation, component selection, PCB layout, power distribution, and manufacturability. Circuit designing is an essential skill in electronics, enabling the creation of devices ranging from simple gadgets to complex systems. Whether you’re a hobbyist or a professional engineer, following systematic guidelines ensures that your […]
Discover essential printed circuit board (PCB) design rules to enhance your electronics projects. Learn about layout guidelines, trace width considerations, signal integrity, thermal management, and design for manufacturability (DFM). Ensure your PCB designs are reliable, efficient, and ready for production with these expert tips. Printed Circuit Boards (PCBs) are the backbone of modern electronic devices, […]
Here is a simple proximity sensor circuit which shows proximity of an object by LED bar graph. Also, you will see two other simple proximity sensor designs. Proximity sensors are devices that detect the presence of an object within a certain range without any physical contact. They are widely used in various applications such as […]
Let’s designing a PIR motion sensor circuit that uses a Passive Infrared (PIR) sensor to control a buzzer through a 555 timer for motion detection applications. Here’s a step-by-step guide to creating this circuit: Components Needed: PIR sensor 555 timer IC Buzzer Resistors (various shown below) Capacitors (various shown below) NPN transistor (e.g., 2N2222 or […]