Hacks of Electronics
Creating a wireless remote-control car using 433MHz RF modules is a classic electronics project. This guide explores a fully functional DIY 433MHz RF Remote Control Car Circuit using the HT12E/HT12D encoder-decoder pair, STX882/SRX882 RF modules, L293D motor driver, and BC557C transistors. We’ll also delve deep into how the transistors and diodes manage motor control and […]
In this article, we will explore the construction and working of a digital voltmeter circuit using the ICL7107, including how to measure both AC and DC voltages, how to calibrate the device, and an analysis of its advantages, limitations, and real-world applications. Digital voltmeters have become an essential part of electronics laboratories, industrial equipment, and […]
Explore Universal NAND Gate from its truth table to its IC pin diagram, delve into transistor-based logic circuit construction and working, and discuss the advantages, disadvantages, and various applications of the NAND gate. Just as the NOR gate combines the OR and NOT functions to provide an inverted output when all inputs are low, the […]
While they may seem like two sides of the same coin, encoders and decoders serve opposite but equally crucial roles. In this article, we’ll learn about difference between encoder and decoder with their types, pros and cons, real-world applications, and some of the most commonly used encoder and decoder ICs. In the world of digital […]
Multiplexers (MUX) and Demultiplexers (DEMUX) are essential combinational logic circuits used in digital electronics for data transmission and communication systems. They play a crucial role in efficiently handling multiple signals by optimizing the usage of data lines, reducing hardware complexity, and enhancing the efficiency of data processing units. Let’s explore the difference between multiplexer and […]
Wireless projects are always fascinating, adding flexibility and convenience to electronics applications. Among various wireless technologies, RF modules are widely used due to their simplicity and affordability. In this project, we will build a 433MHz RF transmitter and receiver circuit to control LEDs wirelessly. This guide will cover the components required, circuit design, and working […]