capacitors
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How to Build a Smart Wireless Doorbell System Using IoT Missing a visitor at the front door usually means missed package deliveries, keeping friends waiting outside, or missing unexpected guests. Standard doorbells only work if we happen to be sitting nearby and the chime is loud enough to hear. If we are stuck in a work meeting, listening to music with headphones, or away from home, it is easy to miss the ring, leaving… |
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Built an ESP32 Based Metal Detector System This tutorial shows us how to build our own functional DIY ESP32 metal detector from scratch using an affordable Wi-Fi enabled microcontroller, a handful of easily available electronic components, and a simple, hand-wound copper coil. Instead of relying on expensive, specialised sensors or complex industrial circuits, this PI metal detector circuit project uses… |
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Amphenol's Interconnect Solutions: A Technical Overview of ExaMAX, HD Express, AirMax VS, and XCede Modern server and data center design places increasing demands on the physical interconnect layer. At 112 Gbps and beyond, connectors are no longer treated as simple passive components; their design has a direct impact on crosstalk, impedance continuity, and mechanical integrity across the system. The following provides a technical overview of four Amphenol interconnect product families… |
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DIY ESP32 WLED Controller: Step-by-Step Guide This DIY tutorial is all about making our home lighting smart and fun without any complicated steps. We can connect a standard 12V LED strip to a tiny wi-fi chip and build our own ESP32 WLED controller custom smart lighting system, which can be completely controlled from a smartphone or computer. This DIY ESP32 based WLED controller… |
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Vishay's High-Voltage MLCCs Offer Wide Capacitance Range For Industrial and Commercial Applications Vishay Intertechnology has launched a new series of high-voltage surface-mount multilayer ceramic capacitors (MLCC) designed for a wide range of commercial applications. These capacitors, available in seven different sizes (from 1206 to 2225). They are ideal for filtering and energy storage applications in industries like power generation, industrial automation, consumer electronics, telecom… |
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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… |
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DIY ESP32 Oscilloscope The oscilloscope is a must-have test instrument for any electronics engineer. It is used to visualize and observe various signals, usually as a two-dimensional plot with one or more signals plotted against time. They are used in designing and debugging electronic devices to view and compare waveforms, and determine voltage levels, frequency, noise, and other… |
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Single-Channel, High-Side Switches with Extended Diagnostic and Smart Driving for Capacitive Loads STMicroelectronics has released the new IPS1025H and IPS1025H-32 single high-side switch ICs that are able to drive capacitive, resistive, or inductive loads with one side connected to the ground and feature low RDS-ON which makes them suitable for the applications with up to 2.4 A/ 5.6 A steady-state operating current. … |
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DS3231 RTC (Real Time Clock) Interfacing with Arduino to build DIY Digital Clock In the digital world today, being able to accurately tell time is crucial for various embedded systems, IoT devices, and automation projects. The DS3231 RTC module is the most accurate and reliable real-time clock module to use in your Arduino projects. Unlike low-end timekeeping ICs found in basic timekeeping devices, the Arduino real time clock DS3231 features a temperature-… |
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BMP280 Sensor Module Working and Arduino Interfacing Guide In many of our previous articles, we have used many different types of temperature and humidity sensors like DHT22, DHT11, DS18b20, and LM35 to measure environmental parameters. In every one of those articles, the one thing in common is that none of those sensors measure barometric pressure. So in today's article, we wanted to interface the BMP280 with an Arduino and measure… |
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Build a DIY Oscilloscope using Arduino Nano and OLED Display Building an Arduino oscilloscope with OLED display is an affordable way for electronics hobbyists and students to visualize electrical waveforms without spending hundreds of dollars on commercial equipment. This comprehensive guide demonstrates how to create a DIY Arduino based oscilloscope using an Arduino Nano oscilloscope platform with a 1.3" OLED screen that accurately… |
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What is Switch Bouncing and How to prevent it using Debounce Circuit Table of Contents What is Switch Bouncing and Debouncing? What is Software Debouncing? Switch Bouncing Circuit Diagram 1. Hardware Debouncing └ Components Required └ Debounce Circuit Diagram └ Working of the Hardware Debounce Circuit 2. RC Debounce Circuit 3. Debouncing Circuit for Push Button Using Specialised ICs Debouncing Methods… |
