This repository stores code, documentation, and analyses for Environmental Microcontroller Units (EMUs). We detail their use in our paper for measuring aspects of microenvironment: temperature, humidity, light, and soil moisture all for less than $20 in hardware costs. However, their flexible nature means that they can be used in a variety of research situations where inexpensive sensors are required.
If this work is useful in your research, please cite our paper:
Mickley, J. G., T. E. Moore, C. D. Schlichting, A. L. DeRobertis, E. N. Pfisterer, & R. Bagchi (2018). Measuring Microenvironments for Global Change: DIY Environmental Microcontroller Units (EMUs). Methods in Ecology and Evolution. 10:578-584. doi: 10.1111/2041-210X.13128
We provide the following:
- Detailed documentation including building EMUs, parts list, programming EMUs, troubleshooting, and circuit diagrams.
- EMU operating code.
- A pre-built firmware
- Our analyses and data used in calibrating light and soil moisture sensors and in a field test of EMUs.