Content for DHT22

Humidity and Temperature Reacting Lightsource

“This project came out of my desire to get an active temperature readout when i’m in my room. not being fond of trying to look at a tiny screen across the room, i wanted something i could just sense …

Precise Air Quality Monitoring System (Portable)

“In this Instructable, I will walk you through the steps to build an Precise Air Quality monitoring system. It consists of an Arduino R3, 2 Grove sensors along with 2 other MQ gas sensors to keep the data in check …

Wireless communication between two Arduinos using inexpensive RF modules

“This article explores an easy wireless communication setup between two Arduinos using low-cost ASK RF transmitter and receiver modules that are readily available in the market. They are found in different shapes, but functionally they are all same. Both Tx …

AMQUMO: A Xively AMbient QUality MOnitor built on ATmega328

“AMQUMO is an Indoor AMbient QUality MOnitor.”

Build a wireless temperature & humidity sensor using the BlueFruit module!

“Bluetooth devices are widely used in many consumers products, its the most popular wireless protocol for small point-to-point networking. Every laptop and just about every computer has Bluetooth classic built into it, so you often don’t need a data …

RASPBERRY PI nRF24L01+ Mini-Hat/Proto-Board

“I wanted a custom board to add nRF24L01+ radios to my Raspberry Pi’s. I wanted the solution to be reasonably elegant and fit into my Pi cases without removing the capability of adding a camera and other accessories. This …

chipKIT Tutorial 7: Using Nokia 5110 LCD

“In Tutorial 4, we learnt interfacing an HD44780-based LCD to a chipKIT board for displaying alphanumeric output. Today, we will see how to connect a NOKIA 5110 graphical LCD (used in Nokia 5110 cell phones), which is a 84 …

DIY Weather Station with Bluetooth

“Recently I attended a course in our University of Electrical Engineering and we were making ourselves a small weather station. It included learning about soldering, sensors and arduino. It was super fun making it with little kids and other high …

Enchanted Cottage - An upgraded Weather House

“Today was the final day for any submissions to the Enchanted Objects Design Challenge. As well as completing our projects we were tasked with blogging about the challenge on the community website, hence why you’ve not heard more about …