With an Atmega, create a wireless temperature sensor

To continue the project of automation with the Raspberry, the first important step for me is to have a sensor able to send wireless data. Here I present to you an example of a probe measuring temperature and humidity. In this article (very very long), I warn you that you will might not create the best probe in the world. Many sites offer extensive methods to arrive at an optimal solution. Here I introduce t ...

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Room Temperature Measurement with Raspberry Pi

We have mostly covered all the Basic Components interfacing with Raspberry Pi in our Raspberry Pi Tutorial Series. We have covered all the Tutorials in simple and detailed manner, so that anyone, whether he has worked with Raspberry Pi or not, can learn from this Series easily. And after going through all the tutorials you will be able to build some High Level projects using Raspberry Pi. [caption id="attac ...

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Neon A Shop Open/Closed Makerspace Sign on Raspberry Pi 2 (El Paso, TX)

Neon is the name we gave to the open/closed sign we have at the entrance of our makerspace. This sign is not only an open/closed sign but it does a whole lot of things. At the makerspace we currently have access keys so this lets our members know whether we are open or closed by also updating our website and tweeting. Remote login is provided to H3 Labs administrators thru a website hosted on the Raspberry ...

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Join the IOT with your Weather Station – CWOP

Do-Wop, Do-Wop the CWOP.... In this New Instructable by SwitchDoc Labs you will learn What is CWOP (Citizens Weather Observation Program) How to connect a Raspberry Pi based Weather Station to CWOP What Software Do You Need? How to Register at CWOP How to See Your CWOP Results And most importantly, have fun doing it! SwitchDoc Labs is pleased to offer 10% off all our products for Instructable Readers: Use c ...

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Minimal RaspberryPI base

This is a plan for immobilising a Raspberry PI in a domestic environment, without children or pets, in order to run it without killing it with static.  I have no idea whether this level of precaution is required, but it's been about two weeks, and it hasn't died so far. Step 1: Parts I used a block of 4x2 construction timber, left over from a painting job, some 25mm x 8g screws, left over from a gate number ...

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Raspberry Pi controlled room temperature monitoring with Gnuplot image output and email alert ability

Where I work, there is a very important room which houses lots of computers. The ambient temperature of this room has to be very cool to optimize performance of these systems. I was asked to come up with a monitoring system which has the ability to send some form of alert to a few people that will notify them that something is wrong with the air conditioning in that room. The hardware for this build, I used ...

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Monitoring My Central Heating Boiler

Hardware Since I was replacing the PC with a Pi, I have only listed the Pi-specific hardware here because the relay unit remains the same: Model B Pi Piface Digital interface card Dallas Semiconductor (Maxim) DS9490R 1-Wire USB adapter Dallas Semiconductor (Maxim) DS18S20 1-Wire thermometers The block diagram below shows the general arrangement of the hardware. An interface to a GSM modem for sending text a ...

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RaspberryPi + DS18B20 Temperature Sensor

The DS18B20 is a low cost, simple to use, 1-wire temperature sensor which is ideally suited for use with the Raspberry Pi. Up to 10 of these sensors can be wired in parallel to a single Raspberry Pi GPIO pin, each giving a reasonably accurate indication of temperature. The current Raspbian image includes support for these devices, so its quite easy to get them up and running. I ordered a pack of 5 "waterpro ...

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Temperature Measurement for Lab and Science Projects

Introduction Every lab (home, office, school) needs temperature measurement capabilities. Measuring temperature for science experiments is hard – all sorts of materials, liquids, and chemicals may be involved or a large temperature range may need to be covered. The sensor used for this (a thermocouple) is not easy to interface, and the sensor amplifier is non-trivial since it has to be able to measure an ex ...

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1-wire temperature sensor DS1820 at Raspberry Pi (GPIO directly)

To measure the indoor or outdoor temperature with the Raspberry Pi, there are several possibilities. This article describes the version with the minimal amount of external components. This is based on the DS18S20 temperature sensor and the software emulation of the 1-wire protocol. The DS18S20 and related DS18B20 and DS1822 are integrated circuits in a TO-92 housing containing the temperature sensor, analog ...

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