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RFID Based Attendance System – Circuit, Working, Source Code
We’ve used an 8051 microcontroller and an AVR (ATmega 8) Mirocontroller to construct two separate RFID-based Attendance system projects in…
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LCD-LED Display
Taxi Fare Meter Schematic Circuit Diagram
In cabs and autorickshaws, a taximeter determines the fare based on the distance traveled. Taxi Fare Meter circuit calculates the…
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LCD-LED Display
Interfacing 16X2 LCD to AVR Microcontroller
This session completely deals with the interfacing AVR microcontroller (ATMEGA 16) with 16X2 LCD. The Atmega16 belongs to the AVR…
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water level controller
Water Level Controller using 8051 Microcontroller
By sensing the water level in a tank, the Water Level Controller utilising 8051 Microcontroller project will assist in automatically…
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LCD-LED Display
Wireless Electronic Notice Board using GSM
We understand the value of notice boards in public places such as train stations, bus terminals, and airports. Changing notices…
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Electronic Keys & Locks
Password Based Door Lock System using 8051 Microcontroller
The Password Based Door Lock System with the 8051 Microcontroller is a simple project that uses a secure password to…
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Amplifier Circuit Diagrams
300W CLASS D AMPLIFIER CIRCUIT SMPS DIGITAL PREAMP SCHEMATIC CIRCUIT DIAGRAM
Class D Amplifier project used TAS5613 class amplifier integrated BTL mode 2 × 150 and mono 300w power can be used in the…
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Clock & Timer Circuit Diagrams
Long Duration Timer using ATtiny2313 Schematic Circuit Diagram
This timer circuit is designed to switch on a 12 V load in a solar-powered installation for a preset period…
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Clock & Timer Circuit Diagrams
Pulse Clock Driver with DCF Synchronization Schematic Circuit Diagram
Sometimes you can pick up a nice office clock or station clock at a bargain price. To ensure that these…
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Battery Circuit Diagrams
Contrast Control for LCDs Schematic Circuit Diagram
The adjustment control for the contrast of an LC-Display is typically a 10-k potentiometer. This works fine, provided that the…
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