Resistor prevents additional voltage or current from entering the part in the circuit. The maximum allowed voltage or current of each part may be different from another part, if it exceeds, It will cause the overheat and the material of that part combines with oxygen and in the other words, the part burns. The resistor…
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All parts that have conductive ends/bases/pins and make changes on the input electric current, are called electronic parts. You see many electronic components every day and now you have decided to learn how to work with them. If you have more advanced parts, it means that you have access to higher technology. If you have…
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I have updated the “IP Camera” and “Camera Microphone” firmware to the new revision with two new features, esp32-cam time lapse and AVI file export: 1. Time Lapse: this feature lets you to use your esp32-cam module as a time lapse recorder and saves the video in the memory card. 2. AVI Export: with this…
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We know that all materials are made up of a large number of atoms and the atom itself is made up of electrons, neutrons, protons and the fundamental particles. The science of electronics is created from the displacement of several electrons among the atoms of matter. The important work of this science is to express…
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The “ESP8266 Arduino Music Player with RGB Driver” system (a.k.a WiCard RGB Light) is a circuit including an esp8266 core for handling the WiFi communications and data processing and an ATmega8a core to playing the audio data and driving the lights. The basic goal of this project was providing a music player and lighting system…
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This project is an “Alarm Clock and Calendar” firmware (.ino file) for Arduino UNO board with the character LCD shield. The LCD shield has 5 on-chip buttons which send an analog value to the A0 pin and a reset button. Also it has 5 ADC/IO pins header and 7 IO pins header (including UART Tx…
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Currently we accept only the cryptocurrencies as the payment, so if you are going to buy a project from our online store, and never used the Crypto, please check the “Cryptocurrency” page first. There are two types of the projects in my website. Some are free and have a “Download” button, and the others have…
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The “IP Camera ESP32Cam” (or “SpyCam”) project is an Arduino firmware (.ino) for the “AI Thinker ESP32-CAM” module which has a 2MP Camera, 10 I/O pins, an on-chip LED and one MicroSD slot to store the images and videos. With its tiny sized camera and 240MHz CPU is able to provide a fair quality images…
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In the new revision of the ESP8266 (or NodeMCU) and ESP32 WiFi Microphone project (rev 2.0 WiFi Voice Recorder), I have added the voice recording feature. The updated revision is available in the following link: ESP8266/NodeMCU WiFi Voice Recorder Arduino Source Code – Rev 2.0 ESP32 WiFi Voice Recorder Arduino Source Code and Schematic –…
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This project is a GPS Tracker (Locator) with Arduino AVR board (UNO/NANO) and Ai thinker A9G GPS/GSM/GPRS module. The Arduino board reads the GPS data and sends it to the web server/host via GPRS. Then you can see the location on map with the Google Map API. You can call to your “SIM Card” number,…
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