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Local Restaurants: The Ann Arbor Experience
Polaroid Shots of Ann Arbor Ann Arbor is known for its exceptional selection of local restaurants, but picking a place to try can be overwhelming. Here is a short list of my favorite places to eat in...
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DIY 3D-Printed Model Rocket
3… 2… 1… Blast off! Space has often been referred to as the final frontier, and many who look towards the heavens find themselves wondering what might be hiding just beyond our reach. Although...
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Therm RTD
Therm RTD is an addition to the Therm PID Controller family, with support for RTD temperature sensors. RTDs (or Resistance Temperature Detectors) use a coil of fine wire made from a material (usually...
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HydroBot
HydroBot is a modular control system for automating hydroponic gardens. This system is designed with three objectives in mind. First, it will facilitate optimal growing techniques by using scheduling...
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HydroBot: Measuring Atmospheric Conditions
AirSense is a HydroBot module designed to measure air temperature, relative humidity, and barometric pressure. It uses the Bosch BME280 atmospheric sensor to take measurements and sends the results...
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HydroBot: Switches and Relays
RelayDrive is a HydroBot module designed to drive relays and other electro-mechanical devices. It consists of 4 low-side outputs, each rated for 1A continuous current, as well as 4 digital inputs, and...
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HydroBot: Connecting the Modules
HydroHub is a HydroBot module designed to connect together HydroBot modules in a star topology. The hub provides power and CAN connectivity to a total of eight channels. It has a DC barrel jack for...
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HydroBot: Prototyping New Modules
ProtoModule is a HydroBot module designed to easily develop and test new monitoring or control functions that may someday go into a HydroBot module. It has 11 GPIO pins and the power rails broken out...
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HydroBot: Hydroponics Overview
What is Hydroponics? Hydroponics is a method of growing plants without soil, using mineral nutrient solutions dissolved in water. Plants use light to turn water and carbon dioxide into the food they...
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HydroBot: Nutrient Film Technique
Continuous Flow or Nutrient Film Technique (NFT) hydroponic systems use a shallow stream (or film) of water recirculating through a channel to deliver nutrients directly to the plant roots. The stream...
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HydroBot: Deep Water Culture
Deep Water Culture (DWC) is a hydroponic gardening method in which plants are grown directly into a large pool of nutrient solution. Typically, plants are placed in net baskets full of a growing...
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Gaggia Classic Seamless PID Upgrade
The ability to make good espresso is one of the most coveted skills in the coffee world. The rich body and complex flavor profile of a well-made shot brings the beans to life with a depth that other...
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