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![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
![Smart Motion Sensing Camera FTDI Module](https://circuitdiagrams.in/wp-content/uploads/2023/02/Smart-Motion-Sensing-Camera-FTDI-Module.jpg)
Electro Gadget
IoT based Smart Motion Sensing Camera
![Interface Different Sensors With Single ESP8266](https://circuitdiagrams.in/wp-content/uploads/2023/02/InterfaceDifferentSensorsWithSingleESP8266-1.jpg)
Electro Gadget
Interface Different Sensors With Single ESP8266 NodeMCU
![](https://circuitdiagrams.in/wp-content/uploads/2022/07/BluetoothHomeAutomationSystem.jpg)
Electro Gadget
Home Automation System Using Arduino And HC-05
![Controlling Appliances with ESP32 and MQTT Protocol](https://circuitdiagrams.in/wp-content/uploads/2022/03/Controlling-Appliances-with-ESP32-and-MQTT-Protocol.png)
Electro Gadget
Controlling Appliances with ESP32 and MQTT Protocol
![Tasmota Home Automation System Using ESP8266](https://circuitdiagrams.in/wp-content/uploads/2022/03/IMG_20220303_125009-scaled.jpg)
Electro Gadget
Tasmota Home Automation System Using ESP8266
![](https://circuitdiagrams.in/wp-content/uploads/2021/11/Alexa-Home-Automation-System.jpg)
Electro Gadget
Alexa Home Automation System Using Arduino IoT & ESP8266
Arduino project
![](https://circuitdiagrams.in/wp-content/uploads/2024/07/real-timeheatindexmonitoringsystemusingarduino8260343682002047300.jpg)
Electro Gadget
Real-Time Heat Index Monitoring System Using Arduino
![](https://circuitdiagrams.in/wp-content/uploads/2024/06/img_20240627_232514-min2736259573870945566.jpg)
Electro Gadget
Angle Measurement Device Using Arduino Nano & ADXL335
![](https://circuitdiagrams.in/wp-content/uploads/2024/05/img_20240519_2055114706453745358226320.jpg)
Electro Gadget
How to Make a DIY Arduino Line Follower Car at Home
![Audio Spectrum Visualizer](https://circuitdiagrams.in/wp-content/uploads/2023/03/Audio-Spectrum-Visualizer.jpg)
Electro Gadget
Audio Spectrum Visualizer Using Arduino & Matrix Display
![Digital Watch](https://circuitdiagrams.in/wp-content/uploads/2023/01/DigitalWatch.jpg)
Electro Gadget