Tuesday, December 7, 2021

Arduino DIYs

Helpful projects related to the open-source platform called Arduino for electronics enthusiasts.

visitor counter

Visitor Counter Using RGB APDS-9960

We have heard of events/parties going out of control due to gate crashing by uninvited guests. Now, as a solution, imagine your door counting the number of invitees and raising an...

Handheld Heart Rate Monitor

Handheld devices play an essential role in the healthcare industry. With the sensors becoming smaller and compact, making a handheld device is also becoming easier and affordable. Heart rate measurement systems,...

Arduino Album That Shows Photographs One By One Automatically

Normally, we keep the photographs we take in a photo album to view or show to our friends or family later. This Arduino album can display those digital photographs one by...

ESP8266 IoT Energy Monitor and Over Current Cut-off

Sockets, boards and wires generally receive a limited supply of electric current. Any 'current overdraw' from them via thin wiring can result in a short circuit. Therefore, real-time power usage monitoring...
Milliamp Meter Circuit

Milliamp Meter For 1mA To 100mA

Low-current measurements are generally not reliable due to resolution of the measurement devices, which are mainly meant for measuring a current of a few hundreds of milliamps to a few amps....

Arduino Based Wireless Visitors Counter

Information about the total number of persons present inside a building such as a hospital, shopping mall, or factory helps provide crucial information to the security/safety personnel during emergency situations. This...

Wireless Sensor Node(s) And Remote Data Receiver Using Arduino

Wireless sensor node is a sensor node with a wireless transmitter. It has one or more sensing elements with amplifier and signal conditioning circuit or a digital/smart sensor, a microcontroller unit,...

RFID Contactless Lock

When it comes to security, RFID card-based digital locks are more reliable than key-based mechanical locks since they cannot be easily broken also they are Contactless Lock. Therefore, some hotels across...
LED Desk Lamp Prototype

Bluetooth Operated LED Desk Lamp

This LED desk lamp can be switched on or off from a distance using Bluetooth. You can even regulate the lamp’s brightness through a slider on the screen of your Android...

Arduino-Based Compact TDS Meter

Total Dissolved Solids (TDS) is a measurement for detecting the potability of water. Both humans and aquatic creatures require a suitable level of water content to survive. TDS value > 1000...
 
 
 

What's New @ Electronicsforu.com

Most Popular DIYs

Electronics Components

Testing Times

Design Guides

Truly Innovative Tech