Smallest Portable Mini Fridge
This Homemade Mini Fridge can work with any power bank and without using harmful CFC gases.
Have you heard of a compact fridge that can...
Low-Cost Long-Range AirTag that Utilizes Wi-Fi Technology
Are you tired of losing your keys, bags, or other valuable belongings? Say goodbye to those worries with our step-by-step guide to creating your...
pH Measurement In Hydroponics System
The base setup for this system is located in a room with approximate dimensions of 9.29 square metre. The room is non-air conditioned and...
Adding Location Tracking To Your Wearable Device
Traditional GPS-based systems have limitations, especially indoors or in areas where signals are too weak or difficult to get due to obstructions. Can you...
Shop Billing System Using a Thermal Printer
This shop billing system is a comprehensive solution aimed at streamlining transaction management within a retail environment. Combining Python for graphical user interface (GUI)...
Gadget For Dual Protection From Viruses
The Corona pandemic is officially over but its ill effects are still being seen, especially in crowded places like popular markets and malls. Besides,...
Super Power Saving 24μA Sensor Node
When it comes to wearable devices and small sensor nodes, the lower the power consumption--the longer is their life. Given that most of these...
Smartwatch-based Login System for Multiple Devices & Online Payments
In today's digital age, security is paramount, especially when it comes to accessing personal devices and sensitive information. Traditional password-based authentication methods are susceptible...
Simple 2.5 Watt Audio Frequency Amplifier using AN7523
Here is a Simple Audio amplifier using a single IC AN7523. This amplifier gives an output power of 3 watts into an 8-ohm loudspeaker...
Meshtastic Network of Inexpensive LoRa Radios
Besides LoRa (acronym for long range) radios, there is another kind of radios that are already occupying the market segment with variety of applications,...
DIY Digital Dual Stopwatch
Consider this digital stopwatch with dual timers if you are seeking a dual stopwatch that allows you to measure two distinct time intervals. It...
RFID-Based Authentication System Using Arduino
The radio frequency identification (RFID) system used for the identification and tracking of objects makes use of an RFID reader and a tag. The...
‘Namaste’ Robot To Greet Visitors Automatically
This Namaste Robot, whose mechanical frame can be made of recycled materials, monitors people within its 100cm range using an ultrasonic module.
Detecting anyone...
Smartwatch With Keyboard And Mouse Functionalities
In a previous project, we developed a smartwatch with Wi-Fi analysis and health monitoring capabilities featuring an ESP32 Dev board. Building upon this concept,...
Wearable Location Tracking Using Wi-FI SSID Signal
Location tracking is crucial to many applications, from navigation to asset management. Traditional GPS-based systems have limitations, especially indoors or in urban environments with...
Counting Small Items Using Edge Impulse
Object classification and counting are essential for factory automation and devices where different objects are sorted or counted during packaging. Factories producing buttons, chocolates,...
Smart Home Automation System Using ESP8266 NodeMCU
IoT-based smart home automation system lets homeowners control appliances conveniently from their smartphones and laptops. Appliances and lights frequently stay on unnecessarily, resulting in...
DIY Musical Rain Alarm
A rain alarm, also known as a rain sensor or rain alarm system, is a device that can have various utilities depending on its...