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Community Projects

A prototype is an early sample, model, or release of a product built to test a concept or process or to act as a thing to be replicated or learned from.

TFMini TOF laser

TFMini Precision Gauge

The idea of buying a TFMini LiDAR was to build a radar but for many days nothing really got kicked off and then one day while handling the long ERW pipes...
Retrieval Of Data Using Image Analytic

Retrieval Of Data Using Image Analytic

After the success of the hydel plant telemetry project at less than INR 10K my boss thought why don’t I take up a similar project for the 16 MW solar field!...

Arduino Nano Based Car Security & Automatic Wiper System

This project addresses the automatic wiper and car security system for a car. Apart from that, it takes care of the security in terms of Smartphone App based monitoring and control...
GPS Receiver

ESP32 (Non-Standard) GPS Receiver

Introduction GNSS – GG-1802 ($5 a piece) Sometimes things do not fall in place and we curse ourselves for taking the wrong turn or making the wrong choices. But in P B Shelly's...

ESP32 LoRa Gateway

In a boiler safety project, we completed, in which we are collecting 32 thermocouple readings from the deep of a 500 MW boiler 2nd pass area where the ambient temperature on...

LoRa Chatmetry

Bandhavgarh tiger reserve forest, MP – 1150 square kilometres spread across Umaria district. The jungle has a core area of 820 square kilometres where no human activity is allowed. The...

Ensuring Safety While Filling Air Inside A Tyre

In this article, our focus is related to air pressure while filling air in the tyre. This is important because the tyre may get burst and create many other problems due...

Smart Wireless Water Meter With Web DB IoT Projects (Hindi & English)

As water consumption and wastage increases day by day, water scarcity has become a growing concern around the globe. While some irresponsible people are overusing water and wasting it daily, a...
Dual sharing RTC

Dual Sharing RTC

Necessity I have an old window AC at my lab, situated at the terrace. The AC needs to be run intermittently more so often when I’m out of the station and the...

Tiny Wi-Fi Switch for $3

Out of curiosity, I ordered the tiny ESP8266 relay switch from aliexpress.com but never knew it could be so embarrassing to find the right way to operate. The vendor said that...

Design Guides