Tag: electronic projects for beginners

How to Make 4-Digit Passcode Door Lock

How to Make 4-Digit Passcode Door Lock

Making a 4-digit passcode door lock using an encoder and a TM1637 module is straightforward with the right components and a little bit of programming knowledge. The encoder converts the input from a numerical keypad into a unique code that operates the door lock, while the TM1637 module displays the entered code on a 4-digit 7-segment display.

How to Make Automatic Water Level Controller

Automatic Water Level Controller using ESP32

The automatic water level controller using ESP32 is an excellent project for those who want to save water and money on their water bills. The ESP32 microcontroller is powerful and reliable, making it ideal for this project. With this project, you can monitor the water level in real-time, and the water pump will be turned on and off automatically, preventing overfilling of tanks.

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