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#Sensors in #Science + #Tinkering 4 #Teachers. My new portable, bluetoothed, gas sensor modules, bringing biology, climate change & Air Quality into under served #school systems. My recent work has been developing #experientiallearning for #environmental #Education in #macedonia supported by UNICEF. Can be popped in a plastic bag & used to track rates of #photosynthesis outside in-situ. With a change of sensors we have used these to monitor airborne particle loads, and noxious gases.
A small daisy plant is housed inside a clear vessel. suspended above the plant is a small red sensor module, drawing gases up across the sensor electronics. Beside the clear enclosure are two bright LED floodlights illuminating the plant.
A small palm sized red sensor module sits on a desk. The red plastic case is slightly rough indicating it has been 3d printed. Visible on its sides are 2 access ports for usb cables - for charging and connecting to a computer. Visible on the modules conical top is a small opening with a fan enclosed. This draws air into the unit and pushes it over the sensors.
A graph is displayed on a large android tablet. The information has been sent via bluetooth from the sensor module. The graph has three lines, Red, Magenta and dark Blue. The red line represents humidity, this line is very nearly straight and horizontal. The magenta line represents the air temperature in the enclosure, at the start of the line on the left it is flat, but at the time the lights were turned on it begins to rise. At the time the lights were turned off it begins to slowly fall back but does not return to its original level. The dark blue line represents carbon Dioxide levels. The live representing the CO2 levels also starts of level on the left hand side, and begins to fall, a little after the lights have been turned on. At the time the lights are turned off the CO2 levels begin to slowly rise. The screen also shows buttons to connect the APP to the sensor module, and to save the data as well as email the data for further analysis.
#science #Education #school #tinkering #teachers #environmental #photosynthesis #macedonia #experientiallearning #sensors

totally agree! This is why I also want the #edtech apps we create in our #research labs to be free for all #teachers.
But maintaining #ApplicationsSoftware has a cost. Who will pay for this? 💰💰
I haven't quite figured it our yet... 🤔
#Research #edtech #applicationssoftware #teachers

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