Category: Electronics Projects

3.7V to 5V, 5.3V and 6V Converter Circuit

Engineeering Projects
3.7v to 5v converter circuit

3.7V to 5V, 5.3V, and 6V Converter Circuit: The preferred voltage levels while working in most electronics projects lie between the value 5V to 6V. However, 3.6V-3.7V batteries are found abundantly in the market with a cheap price tag. So, we presented an economic solution to generate commonly used operating voltages i.e. 5V, 5.3V, and 6V using these cheap and easily available 3.6V and 3.7V batteries. Using two-three batteries of 3.6V (3.6*2=7.2V) and 3.7V (3.7*2=7.4V) doesn’t provide the desired voltage level and thus this project was essential. This DC-to-DC converter…

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Dynamic Microphone Pre-amplifier Circuit

Engineeering Projects
circuit diagram of dynamic microphone pre amplifier

While flowing up the discussion on bestengineeringprojects.com, one of our readers ask about a dynamic microphone pre-amplifier. The dynamic microphone pre-amplifier circuit is a bit different than other microphone pre-amplifier circuits because it consists two-stage amplifier section. Thus, before going through the circuit description we would like to make clear the dynamic microphones. What is Dynamic Microphone? A dynamic microphone is a transducer that converts the sound signal into an electrical signal and works on the electromagnetic induction principle because it contains a moving coil. This microphone is also called…

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Audio Signal Tracer Schematic

Engineeering Projects
dual audio signal tracer schematic

Signal transmission can be quite troublesome sometimes. To ensure that the signal is passed through a defined distance, here we have presented an “Audio Signal Tracer Schematic”.  As mentioned in the title; ‘Audio Signal Tracer Schematic’, this project is implemented to troubleshoot audio signals transmission in electronic circuits and radio, etc. It comprises two loudspeakers being Audio Signal Tracer and is packaged into a small hand-held test probe. The only power source required by the circuit is a battery and thus is more useful. Amplitude-modulated signals can also be detected…

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Top 10 Electronics Mini Projects using IC 555

Engineeering Projects
electronics mini projects using ic555

Here we had compiled a list of the top 10 Electronics mini projects using IC 555 that would be cool, useful, and efficient to design in free time. Before listing the top ten electronics mini projects using IC 555 we would like to clear some points like operating voltage, temperature, applications, etc. of timer IC. So, what is timer IC 555? Timer IC 555 is a powerful timing circuit that is popular for the production of accurate and stable time delay or oscillation. It is much reliable, easy to use,…

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GPS Module Interface with ATmega16

Engineeering Projects
circuit diagram of gps interface with atmega16

Currently, in the market, a large number of GPS projects are distributed. You might be wondering what is different here? Well, the GPS receiver we are talking about is solely based on AVR- microcontroller. The project collects information from the satellite and so is more practical than other systems that demand wireless network connections as cellphones or Internet to operate. This GPS receiver system is a boon to remote areas and can be used as a base to work in other research areas. It works with the satellite to track…

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ESP8266 Temperature Logger using PIC16F887

Engineeering Projects
ESP8266 Temperature Logger using PIC16F887

The project ESP8266 Temperature Logger using PIC16F887 is built up using a PIC16F887 microcontroller (MCU), ESP8266 WiFi module, and a ThingSpeak API. Previously, we posted Arduino and ESP8266-based webservers and this project is somehow similar. Introduction to ESP8266 Temperature Logger using PIC16F887 Here is a PIC16F887 microcontroller and ESP8266-based temperature logging system. The project; ‘ESP8266 Temperature Logger using PIC16F887 monitor’s the temperature of the vicinity simultaneously and provides details of the information collected. Well, the project also incorporates a modern concept; ThingSpeak which ensures safe storage and retrieval of data from…

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Arduino and ESP8622 Based Web Server

Engineeering Projects
web page window of esp8266 based web server

A small, cheap, reliable device is making its way into technology. We call it the ESP8266 Wi-Fi module which has reached almost everywhere. However, the fact that its related information on datasheets and documents are provided in the Chinese language; Mandarin makes the implementation process complicated. As a solution, people have opted for the ESP8266 community forum which discusses issues users of this module tackle while programming this module. This small wifi-chip ESP8266 constitutes a built-in 32-bit low-power CPU. The chip itself can be employed as a stand-alone device or…

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Arduino Gesture Controlled Robot

Engineeering Projects
transmitter section of arduino gesture controlled robot

Recently we have been posting Robot projects. And, here comes another one; Robocar with gesture-controlled or you can say Arduino Gesture Controlled Robot. Like other projects, it also employs remote control. The project Arduino Gesture Controlled Robot is concerned with the design of a robotic car that can be moved in any direction just like a car does. Motion is recognized by the accelerometer and then it generates command signals to operate the robot as required using RF as a mediator. Likewise, the Robocar has inbuilt obstacle detectors and avoids…

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PIC16F877A Based Dual Mode Robot

Engineeering Projects
receiver circuit of dual mode robot

Previously we presented ‘Arduino Based RF-controlled Robot’. This project ‘PIC16F877A Based Dual Mode Robot’ includes slight modifications to that project. This Robot has inbuilt features to identify and avoid obstacles on its way and can be easily controlled with the help of RF-based remote control. The project can be used as a base to build up projects like automatic vacuum cleaners along with some modifications. The best part in that context is that artificial intelligence cleans the floor on its own and we can guide the robot to clean areas…

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Automobile Brake Failure Indicator

Engineeering Projects
automatic brake failure indicator circuit

Almost 40% of accidents occur because of brake failure issues. With early identification of this condition, we can reduce the accident rate. The project ‘Automobile Brake Failure Indicator’ is the solution to this global issue. You might be wondering how this project is responsible to lower the accident rate. Well, this indicator circuit keeps an eye on the condition of the brake at regular intervals and provides an audio-visual indication of the situation. The project includes two LEDs and a piezo buzzer as indicators. Under normal circumstances when the brake…

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