basic circuits
|
How to Build a Smart Parcel Tracking System Using IoT Imagine you've just sent a parcel through a courier service. As soon as it leaves your hands, you start wondering what is happening to it. Is it being handled carefully? Has it been dropped or damaged? Is it still on the right route? Will it reach the destination safely and on time? The truth is, once we send a parcel, we have very little idea about what happens… |
|
Inside a DIY EMF Generator Built from 12000 Turns of Wire and a Marx Generator A homemade EMF generator built around a Marx generator and custom transformer offers an interesting look at the science behind electromagnetic interference. A maker on YouTube known as Skill Make has showcased an experimental high-voltage electromagnetic pulse generator built using a combination of a custom transformer, a Marx generator, and a directional antenna coil. The project explores how… |
|
DIY Raspberry Pi Pico Text-to-Speech Using Wit.ai Text-to-Speech, or TTS, is a technology that converts written text into spoken audio. It is widely used in voice assistants, accessibility tools, alert systems, kiosks, and smart devices. On computers and smartphones, TTS works smoothly because these systems have enough processing power and memory to handle speech generation locally. Microcontrollers are different.… |
|
Build an ESP32 Text to Speech Offline System ESP32 text to speech becomes a really helpful feature that can turn an embedded project from good to really useful. Whether you're building a handheld device, automation panel, safety monitor, or educational tool, implementing text to speech in ESP32 makes your project more accessible and user-friendly. Over time, we’ve tried many different ways to do this. Our… |
|
What is Amplitude Modulation? Complete Guide with Formula, Circuit Diagram & Practical Demo Amplitude modulation (AM) was first introduced to enable long-range wireless audio communication, representing a major advancement over wireless telegraphy using spark-gap transmitters. Understanding what is amplitude modulation and how it works is fundamental for electronics engineering students and professionals working with radio frequency circuits. This… |
|
Flip-Flop in Digital Electronics: Types, Truth Table, Logic Circuit and Practical Demonstration A flip-flop in digital electronics is formally defined as "A bistable device with synchronous inputs that changes state only at specified transitions of a clock signal" (IEEE Standard 91/1984) In general, flip-flops are fundamental components in digital electronics, capable of functioning as 1-bit memory storage devices. Unlike… |
|
CD4047 Astable/Monostable Multivibrator: Modes, Waveforms & Simulation If you're after a reliable timing option for your next electronics project, the CD4047 multivibrator IC can provide the solution you need. Whether you need a CD4047 inverter circuit for power conversion or the more accurate CD4047 astable multivibrator circuit used in timing applications, this guide covers it all from the basic CD4047 pin diagram to more sophisticated CD4047 circuit diagrams… |
|
Arduino Air Quality Monitoring System Breathing clean, healthy air is vital for our well-being, yet air quality remains a concern in many environments. In this article, we delve into creating an Arduino-based Air Quality Monitoring System. Previously, we have also built an IoT-based Air pollution monitoring system using ESP8266, but for this project, we will keep things simple and use the popular Arduino UNO board to build a… |
|
Simple DIY FM Receiver Circuits on the Internet - Do they Really Work? Recently, we thought of building a simple FM receiver circuit, so, like always, we started googling for possible circuits that can be used to fulfil our requirements, and as expected, we found a lot of circuits on the internet, but the question remains, how good or useful will they be when we put those circuits to the test? Because just like us, we found a lot of… |
|
DIY Power Consumption Monitoring Device using ESP32 Electrical appliances are all around us, starting from the indispensable charger of your smartphone to heavier appliances like room heaters, air conditioners, washing machines, and whatnot. Given the status quo of a looming global energy crisis, it is vital to have an understanding of the power consumed by these devices. While our monthly electricity bill gives us a… |
|
12V 1A Power Supply Circuit Design using VIPer22A Switched-mode power supply circuits (SMPS) are most often required in many electronic designs to convert the AC mains voltage to a suitable level of DC voltage for the device to operate. This type of AC-DC converter takes in the 230V/110V AC mains voltage as input and converts it to low-level DC voltage by switching it, hence the name switch-mode power supply. We have… |
|
Long Range Arduino Based Walkie Talkie using nRF24L01 We are living in the era of 5G and 5G-enabled devices; however, old technologies like the walkie-talkie system and RF communication system are still paramount in scenarios where a remote, short-distance, cheap, and low-cost communication is required. For example, if you have a building or heavy-weight bearing construction company, then your workers need to communicate with… |
