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Don R-Crenshaw

elderGeek

Twin Cities, MN
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This user joined on 08/15/2014.

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Using a WeMos ESP8266 D1 Mini and DHT22 Shield to monitor beehive temperature and humidity
Project Owner Contributor

Beehive Monitoring, Now With WiFi

don-r-crenshawDon R-Crenshaw

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Monitor beehive temperature and humidity at three locations with some DHT22 sensors and an Arduino (and a sandwich box)
Project Owner Contributor

Three Channel Beehive Temp/Humidity Monitor

don-r-crenshawDon R-Crenshaw

08.21.2017 11:00 am CDT - 03:00 pm CDT
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Safely watch the eclipse
Project Owner Contributor

Burnsville MN Eclipse Meetup

Neill Park, 13501 Upton Ave, Burnsville MN 55337

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An Arduino based Solar MPPT charge controller.
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ARDUINO MPPT SOLAR CHARGE CONTROLLER

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Open hardware and software blood glucose meter using electrochemical test strips
Project Owner Contributor

Open source Arduino blood glucose meter shield

m-bindhammerM. Bindhammer

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Follow for the 'Hacklet' and latest news about hackaday.io
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Hackaday.io Project

lutetiumLutetium

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Use the team chat to talk about your projects and find collaborators for whatever you are working on.
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Hack Chat

lutetiumLutetium

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Recording weight, hive temperature, and weather data toward better management and understanding of honeybees.
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Honeybee Hive Monitoring

ken-meyerKen Meyer

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A simple DIY ballistic chronograph using IR emitter/phototransistor triggering, an ESP8266 and an I2c LCD
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DIY Ballistic Chronograph

alpha-charlieAlpha Charlie

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NTP-enbling a cheap $2 Ikea analog clock using ESP-12/NodeMCU/Arduino
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ESPCLOCK

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C++ is an efficient language eminently suitable for use in embedded systems but some look for proof of the efficiency. This is the proof.
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Embedding C++

rud-merriamRud Merriam

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PiZero+CustomAccessPoint+CaptivePortal+AudioStreaming+PiFM+Voip in a wallet. Cash, Cache and Content. (optional Solar Charger)
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PiFold

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This is an easier tutorial than my last and it is on homemade rocket engines!
Project Owner Contributor

Homemade rocket engine

howieHowie

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Environment friendly chemical rocket propellant, useable in liquid or solid state
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Green eutectic rocket propellant

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Timstock Slim is a simple tool that helps autistic children to tell them when a task is finished or when it's time for something to happen!
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Timstock Slim - a tool for the autistic

jensandreejens.andree

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Sensors in beehives to monitor pesticides, air quality, swarming tendency and bee strength.
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Beehive Sensors

joakimJoakim

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RC controlled lasercut Strandbeest
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Strandbeest

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A Birdhouse with Internet
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LoRaWAN Birdhouse

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Motorcycle jacket that mimics signals using input from motorcycle brake and turn indicators for additional visibility.
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FireCoates

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An autonomous solar-powered boat to provide quantitative data regarding pollution indicators (e.g. dissolved oxygen) in bodies of water
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Robot Pollution-Detection Boat

neil-k-sheridanNeil K. Sheridan

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