This Arduino Based Coin Value Identifier Circuit is a simple coin sorting machine. It can detect and sort 2 Rs, 5 Rs, and 10 Rs coins. Each coin type is sensed by different IR sensors. The Arduino reads which sensor is triggered and shows value on LCD. This project is useful for small vending machines […]
Women Safety Alarm Circuit using GPS GSM NodeMCU
This article is for Women Safety Alarm Circuit using GPS GSM NodeMCU. It uses NodeMCU ESP8266 board as brain. GPS module give location. GSM module send SMS to family. One push button used to send alert. Circuit Coding: Coding Explanation: Circuit Working: Parts List: Components Quantity NodeMCU ESP8266 Board 1 GPS Module (NEO-6M) 1 GSM […]
Arduino with Speech Recognition Circuit
This project shows how to control LED with voice using Arduino. We can use speech recognition module with Arduino Nano. It takes voice command. It turns LED ON or OFF based on command. This Arduino with Speech Recognition Circuit is simple project for beginners. Circuit Coding: Coding Explanation: Circuit Working: Parts List: Component Quantity Resistor […]
Simple Arduino IR Remote Control Decoder Circuit
This project show how to read IR remote signals using Arduino. We use TSOP1738 IR sensor. Arduino can detect button press from remote. This project for Simple Arduino IR Remote Control Decoder Circuit is simple and easy for beginners. Circuit Coding: Coding Explanation: Circuit Working: Parts List: Component Quantity Resistor 220Ω 1 Arduino Uno / […]
Arduino GPS Based Speedometer Circuit
Anyone want to check speed of bike, car or any moving vehicle? With Arduino and GPS module we can make small but cheap DIY speedometer. This project for Arduino GPS Based Speedometer Circuit is easy and fun. It shows real-time speed on LCD using GPS satellite data. No need of big or complex sensors only […]
Arduino Based Motion Dog Barking Alarm Circuit
This Arduino Based Motion Dog Barking Alarm Circuit make dog sound when motion detects. it uses Arduino Nano, Pir sensor, Dog Sound Module, BC547 transistor, IC LM386 Amplifier Module and 8Ω Speaker. Pir senses human or animal move. Arduino play dog bark sound to scare intruder. This is simple and low cost security system. Circuit […]