Wireless IoT Solar Power Plant Monitoring System
With limited fossil fuel reserves for the next few years and the problem of pollution that they cause, renewable energy is the need of the hour to tackle these issues. Solar...
Simple Liquid Dispenser For Bottling Plants
Automated liquid filler machines are used to pack various liquid items such as oils, milk, and beverages in their bottling plants. But these machines are costly and not affordable by most...
Nonstandard GPS Receiver Using ESP32
Sometimes things do not fall in place and we curse ourselves for taking the wrong turn or making the wrong choice. But in P.B. Shelly’s words, when the realisation later dawns...
Smart Radar System For High Velocity Measurement and Detection
Detecting the velocity of vehicles and objects is often needed for research and data collection purposes or for setting speed limits on roads and highways to avoid accidents. For such tasks,...
ESP8266 WiFi Repeater With Mesh In Just 140 Rupees
What will you choose - Rs 5000 equipment or the same device built by you at a lower cost?
Be it for home automation or Industrial IoT, smart campus or smart office,...
DIY: Low-Cost IoT Solid-state Relay
Electromechanical relays are not reliable power switches. The electromagnet that they use needs to be energised till the plunger is at a specific position, thus consuming a lot of power.
Most...
GSR Based Lie Detector Device
Speaking the truth is crucial for reaching an amicable conclusion in law courts and several other scenarios related to receiving justice. But not everyone opts to speak the truth at all...
24V/12V Battery Voltage Level Indicator
Sometimes we do not notice that the battery has drained out and as a result the connected equipment does not work properly. By connecting this simple 24V/12V battery voltage level indicator...
Automatic Certificate Generation Using Python
Automation projects are nowadays highly appreciated due to the availability of cloud computing resources. This article is in continuation to the ‘Automatic Certificate Generation Using MATLAB’ DIY article published earlier, which...
Circuit To Protect Appliances From High/Low Voltages
Voltage fluctuations and power cuts can damage electrical equipment and goods like submersible pumps, air-conditioners, television sets, and refrigerators. The Appliances Protection circuit presented here (see Fig. 1) will protect the...
