Category Archives: Internet of Things


IOT enabled AC wall outlet

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Gopinath.Marappan has posted great instructions about how he built an IoT enabled AC wall outlet using Arduino and ESP8266 platforms, along with a bunch of sensors, relays, and LCD displays. It features light and fan On/Off control, fan speed regulator, mood lighting, and cloud datalogger. It also allows IR remote control, amartphone app control, twitter and SMS alerts, and many more features. This project was conceived when I felt the need to automatically reduce the speed of an AC ceiling fan in the bedroom as temperature drops through the night. In Bangalore, where I live, during winters, I like to

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IoT enabled soldering iron

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Vegard’s hacked his soldering iron and made it IoT enabled using NodeMCU, which is a ESP8266-based development platform. Now Vegard’s soldering station reports its set temperature to the Thingspeak server over WIFI. It also sends me Prowl messages on my Iphone when I forget to turn it off. It all started when I needed to fix the display on the Soldering-iron itself after some guys at the soldering-iron factory forgot to mount the segment display properly. The road to IoT is anything but streamlined yet. The NodeMCU & Arduino IDE integration is in it early stages and the tutorials out

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IoT enabled lawn mower

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Michel from Quebec, Canada recently bought a EGO brand battery powered lawn mower to which he added an ESP8266 module along with a PIC MCU and a couple of hall sensors to make it an IoT-enabled mowing device that is now capable of sending tweets during its mowing session. To make sure I would not void my mower’s warranty I’ve used 2 Hall Effect sensors and a few magnets: one on the bail switch, five on a wheel. Three revolution of a rear wheel represent a distance of 245cm (~96½”). There are 10 spokes on the back of the wheel.

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Onion Omega: Another WiFi dev board for IoT applications

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Only 1/4 the size of the Raspberry Pi computer, Onion Omega is the latest and most promising open hardware development platform for WiFi based IoT applications. It comes with built-in WiFi, Arduino-compatible and it runs full Linux. It lets you prototype hardware devices using familiar tools such as Git, pip, npm, and using high level programming languages such as Python, Javascript, PHP. The Onion Omega is fully integrated with the Onion Cloud, making it a breeze to connect physical devices to the Web to create Internet of Things applications. Congratulations to the Onion Team for far surpassing their Kickstarter funding goal, while there are

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Domino: Another wifi hardware development platform

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A global team of Makers has announced the launch of Domino, which is an affordable and high-performance 802.11 bgn WiFi hardware platform for IoT applications with a modular design architecture, unlimited extension capabilities and Arduino compatibility. Domino.IO features a modular design architecture. At the heart of all boards is the Domino Core, which is a low-cost, high-performance 802.11n WiFi module based on Qualcomm/Atheros AR9331 WiSoC. Domino Core is completed by Domino Pi and Domino Qi. Domino Pi breaks out all the pins of the Domino Core to easy 2.54mm pitch headers, integrates an USB-UART bridge, +5V/2A DC/DC power supply, power and wireless LEDs and

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