What you Need to Know when Buying and Using RGBW LEDs

More and more stores and restaurants begin to use colorful light inside and outside. There are so many possibilities with color LED lighting that companies contract more and more illuminating consultants. Multi-color LED light bulbs have become so cheap that they can replace all existing lights at home. With RGBW LEDs you get the same white as with traditional LED lights, you can dim your light and you have many colors to create a mood. Can you control an RGBW
- What you Need to Know when Buying and Using RGBW LEDs

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Temperature and Humidity from AM2302/DHT22 Sensor Displayed as Chart

In this how-to, the Raspberry Pi will be configured to automatically acquire and log temperature and humidity from a AM2302/DHT22/DHT11 sensor and display the collected data like in the following picture. About the AM2302/DHT22 Temperature and Humidity Sensor The AM2302 and DHT22 sensors share the same characteristics. From my perspective these sensors are the same. The DHT11 on the other hand is a little cheaper but only intended for indoor use. On e-Bay you can find a
- Temperature and Humidity from AM2302/DHT22 Sensor Displayed as Chart

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Faster Raspberry Pi and BeagleBone Black alternatives for less than 70 EUR / 90 USD

While the Raspberry Pi (RPi) has improved with its latest Model B+, there are now several other mini computers with twice or more than four times the performance. This article compares RPi alternatives which cost less than 70 EUR / 90 USD. It is full of long-researched information to help you choose the right single-board computer. The article will explain Which Raspberry Pi alternatives exist below 70 EUR / 90 USD What is the price of each relative to the Raspberry Pi
- Faster Raspberry Pi and BeagleBone Black alternatives for less than 70 EUR / 90 USD

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