microcontroller

PIC microcontroller Beginner’s guide: Basic connection circuit

What is a pic microcontroller? The PIC microcontroller is a low cost ‘computers on a chip’ manufactured by Microchip. They allow electronic designers and hobbyists impart intelligence and logic to a single chip for special purpose applications and products. The PIC microcontroller programming is done using the popular software ‘Mikro C’. This powerful yet easy to […]

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Microcontroller Based Password Verification System

Aim: – To simulate a circuit using microcontroller 8051 for verifying password. Theory: – The block diagram for microcontroller based password verifying system is shown. The purpose of the circuit is to verify the password entered by the user. An 8-bit password is the input to this system (A simple example has purposely been dealt

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Microcontroller based Diode and Bipolar Junction Transistor (BJT) tester

Introduction Most of the digital multimeters these days have built-in features for testing diodes and sometimes transistors. The purpose of this project is to demonstrate a simple way to construct a testing device for diodes and bipolar junction transitors (BJTs) using a microcontroller. The testing algorithm is based on a simple fact that a working

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Single-Tube nixie clock | Microcontroller Project

Here is the nixie clock ! PIC16F84A microcontroller Single-digit Nixie, sequential hours, minutes and seconds display DCF-77 atomic clock, with automatic or manual time set-up high voltage power supply for Nixie with only 4 components 24 hours cycle programmable extinction time no MikroC compiler licence needed ! This project will show you how to drive a nixie

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Single microcontroller based 12v to 230v inverter with intelligent battery charging

Single microcontroller based 12v to 230v inverter with intelligent battery charging (Made by me) Here I describe the circuit as: *single microcontroller/controller (ATMEGA16/32) *no op-amps, only chips are the micro, opto-couplers and regulator (7805) *low-battery/overload/short-circuit protection *thyristor controlled battery charger, using the MOSFET body diode as the AC-DC rectifier *charger maintains the battery voltage (top)

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Weather meter using PIC 16F877 Microcontroller

Weather monitoring systems are available in plenty and these are pretty handy gadgets we use in our daily life for weather forecasting and other purposes. But these kinda gadgets might be expensive and may not be available for customization to our specified purpose. To overcome these advantages you can build this customized weather meter using

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An Open Source JavaScript microcontroller you can program wirelessly.

About this project Puck.js is a low energy smart device which can be programmed wirelessly and comes pre-installed with JavaScript. It is both multi-functional and easy to use, with a custom circuit board, the latest Nordic chip, Bluetooth Smart, Infra-red and much more, all enclosed in a tiny silicone case. We have an easy to

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Lecture 43 : Interfacing PIC16F877 Microcontroller with an LCD

Aim To interface LCD (Displaytech 162A) with PIC16F877microcontroller and to display “IITK” in the Liquid Crystal Display (LCD). Components/Softwares MPLAB IDE (PIC microcontrollers simulator) PIC BURNER 3 with software to load the code LCD (Displaytech 162A) Computer System with Windows operating system and RS 232 cable PIC16F877 Microcontroller +5V D.C Power Supply Resistors – 10K

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TI puts 1.8A brushed DC motor driver in 2mm package

Description The DRV8837 provides an integrated motor-driver solution for cameras, consumer products, toys, and other low-voltage or battery-powered motion-control applications. The device has one H-bridge driver, and can drive one dc motor or one winding of a stepper motor, as well as other devices like solenoids. The output driver block consists of N-channel power MOSFETs

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ADI chip monitors energy consumption of six circuits

The ADE7816 is a highly accurate, multichannel metering device that is capable of measuring one voltage channel and up to six current channels. It measures line voltage and current and calculates active and reactive energy, as well as instantaneous rms voltage and current. The device incorporates seven sigma-delta (Σ-Δ) ADCs with a high accuracy energy

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