In this article, we will discuss 3 Phase Inverter Circuit which is used as DC to 3 phase AC converter. Do remember that, even in the modern days achieving a completely sinusoidal waveform for varying loads is extremely difficult and is not practical. So here we will discuss the working of an ideal three-phase converter circuit neglecting all the issues related to practical 3 phase inverter.
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Fire Alarm Circuit using Thermistor and 555 Timer
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This project covers a simple fire alarm circuit using a thermistor and a 555 timer IC. Here, a thermistor is used as a fire detector. A thermistor is a temperature-sensitive resistor whose resistance changes with temperature: it decreases as temperature increases and vice versa.
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ESP32-CAM Face Recognition Door Lock System using Solenoid Lock
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Learn how to build a Face ID-controlled digital door lock using ESP32-CAM, relay module, and solenoid lock. Step-by-step guide with circuit diagram, Arduino IDE setup, and full code for a secure IoT-based access system.
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Overcurrent Protection Circuit using Op-Amp
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This circuit will have an adjustable overcurrent threshold and an Auto-restart on failure feature. As this is an op-amp-based overcurrent protection circuit, it will have an op-amp as the driving unit.
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DIY WiFi-Controlled Drone with ESP32 and Arduino
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Learn how to build a WiFi-controlled drone using ESP32 modules and MPU6050 IMU. This DIY project offers stability control, smartphone control, and easy upgradability. Get step-by-step instructions and a complete circuit diagram.
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RC Phase Shift Oscillator Circuit using Op-Amp
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An RC Phase Shift Oscillator is an electronic oscillator circuit which produces a sine wave output. It can either be designed by using a transistor or by using an Op-amp as an inverting amplifier.
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Arduino SD Card Module: Understanding and Interfacing
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Learn how to connect a micro SD card module to Arduino step by step. This beginner-friendly guide covers wiring, SPI communication, code for reading and writing files, and practical data logging applications.
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60+Latest Artificial Intelligence Based Projects and Ideas
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Build AI projects with complete source code, step-by-step guides, and real-world applications. Explore artificial intelligence-based projects for practical machine learning, computer vision, and NLP.
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Explore DIY Drone Projects: Tutorials, Code & Schematics
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Explore a curated list of drone projects with circuit diagrams, programming code, and tutorials. Build your own drones using ESP32, sensors, and wireless communication modules.
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How to send WhatsApp Notification Messages fom Arduino | Free API
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Learn how to send instant WhatsApp notifications from Arduino UNO R4 WiFi using an ultrasonic sensor and CircuitDigest Cloud API without GSM or SIM cards.
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How to send whatsapp message from ESP32?Easy and Free API for WhatsApp
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Send real-time WhatsApp alerts from ESP32 using WiFi and CircuitDigest Cloud. Trigger notifications from sensors without GSM modules, SIM cards, or complex hardware using the free API from CircuitDigest Cloud
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How to send Email from ESP32 for sensor monitoring and status updates
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ESP32 distance monitoring system using an ultrasonic sensor and WiFi to send real-time email alerts via Circuit Digest Cloud API when objects cross safety limits.
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How to Send Email Notifications using Arduino for Monitoring System
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Arduino-based temperature monitoring system using DHT11 and WiFi to send real-time email alerts when temperature exceeds preset limits.
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DIY Raspberry Pi Pico Text-to-Speech Using Wit.ai
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Build a Raspberry Pi Pico text-to-speech using AI. Full tutorial covering circuit wiring, WitAITTS Arduino library, source code, and troubleshooting.
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ESP32-C3 Text to Speech Online Using AI: Wit.ai API Full Guide
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Build ESP32-C3 text to speech using AI API and the WitAITTS Arduino library. Full wiring, code, and troubleshooting guide for natural voice output.
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ESP32 Drone with Loudspeaker: Build Guide
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Build a Litewing ESP32 drone with a loudspeaker using Bluetooth Stream real-time announcements, voice alerts & audio from the air. No coding needed. Full wiring guide
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Reverse Polarity Protection Using MOSFET | Step By Step Circuit Guide
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Learn how to build a reverse polarity protection circuit using a P-channel MOSFET. Compare MOSFET vs diode efficiency, see step-by-step wiring, Zener gate protection & real-world uses.
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Arduino Game Controller: Complete DIY Build Guide & Code
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Learn how to build an Arduino game controller with our complete DIY guide. Includes circuit diagram, Arduino code, wiring instructions, and USB setup. Free GitHub code download.
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Interfacing GP2Y0D80Z0F Distance Sensor with Arduino Uno
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Learn how to interface the GP2Y0D810Z0F infrared distance sensor with Arduino Uno and a 16×2 I2C LCD to detect objects within 10 cm, with circuit diagram, code explanation, working principle, and real-world applications.
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