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![ultrasonic distance meter](https://circuitdiagrams.in/wp-content/uploads/2020/05/WhatsApp-Image-2020-07-13-at-9.41.26-PM.jpeg)
Electro Gadget
Ultrasonic Distance Meter Using Arduino
![How to make a Simple Fire Alarm Circuit](https://circuitdiagrams.in/wp-content/uploads/2020/05/Untitled-1-e1608376213230.jpg)
Electro Gadget
Simple Fire Alarm Circuit Using Thermistor And LM358
![Arduino Digital Tachometer](https://circuitdiagrams.in/wp-content/uploads/2020/07/Tachometer-1-e1608375869715.png)
Electro Gadget
Digital Tachometer Using Arduino IR Sensor
![Led Chaser Using 555 Timer and 4017](https://circuitdiagrams.in/wp-content/uploads/2020/07/Led-Chaser-1-e1608376050451.png)
Electro Gadget
LED Chaser using 555 Timer and 4017 Counter
![Ultrasonic-Sound-Generator](https://circuitdiagrams.in/wp-content/uploads/2021/07/Ultrasonic-Sound-Generator.jpg)
Electro Gadget
How To Make Ultrasonic Sound Generator Using 555
![Infrared Sensor Using LM358](https://circuitdiagrams.in/wp-content/uploads/2022/08/InfraredSensorUsingLM358-scaled.jpg)
Electro Gadget
Infrared Sensor / Obstacle Detector Circuit Using LM358
home automation
![](https://circuitdiagrams.in/wp-content/uploads/2021/11/Alexa-Home-Automation-System.jpg)
Electro Gadget
Alexa Home Automation System Using Arduino IoT & ESP8266
![WiFi Smart Plug](https://circuitdiagrams.in/wp-content/uploads/2021/11/WiFiSmartPlug.jpg)
Electro Gadget
ESP8266 WiFi Smart Plug Using NodeMCU
![](https://circuitdiagrams.in/wp-content/uploads/2021/10/4-ChannelIRRemoteControlSystem.jpg)
Electro Gadget
4-Channel IR Remote Control System Using ATtiny85
Arduino project
![Human-Following-Robot-Using-Arduino](https://circuitdiagrams.in/wp-content/uploads/2022/01/Human-Following-Robot-Using-Arduino-scaled.jpg)
Electro Gadget
Human Following Robot Using Arduino And L298N Driver
![IR Remote Control Car](https://circuitdiagrams.in/wp-content/uploads/2022/01/IR-Remote-Control-Car.png)
Electro Gadget
IR Remote Control Car Using Arduino and TSOP1738 Sensor
![Arduino Electronic Component Tester](https://circuitdiagrams.in/wp-content/uploads/2022/01/Arduino-Electronic-Component-Tester.jpg)
Electro Gadget
How to Make An Electronic Component Tester Using Arduino
![Arduino Bluetooth Controlled Robot](https://circuitdiagrams.in/wp-content/uploads/2021/12/ArduinoBluetoothControlledRobot.jpg)
Electro Gadget
Android Bluetooth Controlled Robot Using Arduino
![Arduino Weather Monitoring Device](https://circuitdiagrams.in/wp-content/uploads/2021/12/ArduinoWeatherMonitoringDevice.jpg)
Electro Gadget
Arduino Weather Monitoring Device Using OLED Display
![Automatic Plant Watering System](https://circuitdiagrams.in/wp-content/uploads/2021/12/Automatic-Plant-Watering-System-scaled.jpg)
Electro Gadget