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Intermediate Projects

Arduino-Based Two-Wheel Self-Balancing Segway

Segbot, Segway and inverted pendulum—two-wheel self-balancing robots are known by many names. Here we build a two-wheel self-balancing robot (segway) using an MPU-6050 chip....

ESP32 Particulate Matter Monitoring

Dust is a silent killer. Ever since the smog pollution of Delhi has hit the headlines, the public awareness about these two particulate matters...

Multifunction Rechargeable Digital Clock

Presented here is a digital clock that also functions as a rechargeable light lantern and a mobile charger. The digital clock has all the...

Wireless Equipment Control Using MATLAB-Based GUI

In process instrumentation and control, operators in the plant equipment control room monitor on-field sensors and send real-time commands to control actuators and final...

Arduino-based Front Office Visitor Alarm

This Arduino based visitor alarm is useful for offices, clinics and shops. It alerts you to the entry of a visitor by producing a...

Wireless VU meter

VU meter is a standard device that indicates the signal level in audio equipment. Unlike other devices, this meter doesn't require a physical connection...

Interfacing Multiple LCDs With Arduino

Here we describe the interfacing of three 16x2 LCDs with common data lines to an Arduino Uno board. Four data lines of all the...

Bipolar Transistor Tester

This bipolar transistor tester can indicate the type of the transistor as well as identify its base, collector and emitter pins. The circuit is...

Digital Pulse Tester

Here is a small digital pulse tester that can be used to test and troubleshoot digital circuitry. The circuit is essentially a pulse generator...

Digital Timer Enhancement

This simple circuit automatically activates or deactivates an electronic device at the time of alarm preset in a clock. When the alarm rings, the...

PC-Based Wireless Control for Toy Car

Here we show how you can control a wireless toy car through your PC’s serial port using a pair of ASK transmitter and receiver...

Square Root Generator Circuit

This square root generator circuit generates the square root of the input at a reference voltage. Such type of square-root output is normally used...

Versatile Probe

You can use this versatile probe for continuity testing and identification of transistor type and transformer windings. The N-side or P-side of a transistor...

Sixth Order Butterworth Low Pass Filter

Low-pass filters are widely used in the audio domain. Their most important application is in communication receivers and communication audio circuitry. These filters, when...

Wireless Extender For IR Remote Controls

Using this system, you can control your IR-remote-controlled home appliances like DVD player and air-conditioner from another room without the hassle of running extra cables between the two rooms.

Single-Wire 4×4 Matrix Keypad Using AVR

This tutorial demonstrates a different way of interfacing a 4x4 matrix keypad with ATmega32 AVR microcontroller. Keypad is one of the most important input...

Triple Power Supply From USB

Nowadays, most portable electronic gadgets are powered by USB adaptors. These adaptors have 5V, 1A to 5V, 2.1A output, which is enough to power...

Connected Message Lamps using ESP8266 | IoT Projects

It is not just another Engraved LED lamp that you see on the market nowadays. This is an advanced version of that lamps. In...
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