ESP32 WiFi
The **ESP32** is well-known for its **Wi-Fi capabilities**, offering a wide range of features that make it ideal ...
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Distance Measurer
In this project, we will build a distance measurer that can measure distances up to 4 meters using the HC-SR04 Ultr...
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Ultrasonic Sensor HC-SR04
Overview
An ultrasonic sensor is an electronic device used to measure distance or detect objects by emitting ultras...
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Motion Detection
Overview
In this project, we’ll build a PIR motion sensor system with an ESP32. When motion is detected, the LED wi...
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PIR Motion Sensor
A PIR (Passive Infrared) sensor is an electronic device that detects motion by measuring infrared (IR) radiation em...
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IR Sender
In the previous project, we learned how to capture signals from a remote controller. In this project, we’ll build o...
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IR Receiver
the VS1838B is a common and widely-used infrared (IR) receiver module. It’s designed to receive and decode infrared...
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Remote Infrared
Remote infrared (IR) works by transmitting invisible infrared light signals from a remote control to a receiving de...
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NTC Temperature Sensor
An NTC (Negative Temperature Coefficient) sensor is a type of temperature sensor whose resistance decreases as the ...
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Smart Sunrise Alarm
In this project, we’re going to design a smart sunrise alarm that uses a light-dependent resistor (LDR) and an acti...
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Voltage Divider Circuit
Voltage Divider Explanation
A voltage divider is a simple circuit made of two resistors connected in series. It ...
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Photoresistor Sensor
A photoresistor (also known as a light-dependent resistor or LDR) is a type of resistor whose resistance decreases ...
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