Using underground sensors to track Cicada emergence #Cicada #Cicadas @chemDrV @eteq
Astrophysicist Erik Tollerud and Chemistry Professor Marie van Staveren have set up an interesting experiment in Baltimore, Maryland. Broods of cicadas come out every so many years (13 to 17 years, depending on location and brood group as shown in the US Forest Service map above). Tollerud posts on Twitter:
For those who are interested in #BroodX#cicadas in Baltimore, @chemDrV and I set up an 8 inch underground temperature sensor + Twitter bot – apparently they all have little thermometers with marks at 64 degrees F. (Thanks @adafruit for the hardware to make(r) it possible!)
The temperature in Baltimore (below graph) shows isn’t warm enough for the mass ground exodus, which happens at 64 degrees Fahrenheit:
The current ground temperature is 53.7 degrees F, which is below the target temperature. Cicadas are cozy in their burrow.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.