Mucha Stefan
Behavioral Physiology, Institute of Biology, Humboldt-Universität zu Berlin, 10099 Berlin, Germany.
J Exp Biol. 2025 Jan 1;228(1). doi: 10.1242/jeb.249207. Epub 2025 Jan 7.
Environmental control systems are important tools for experimental researchers studying animal-environment interactions. Commercial systems for the measurement and regulation of environmental oxygen conditions are relatively expensive and cannot always be adapted to varying experimental applications. Here, I present a low-cost and highly flexible oxygen control system using Arduino microcontrollers in combination with a commercial optical oxygen sensor. Hardware and software examples are provided for three different applications: single-setpoint, sequential and long-term dissolved oxygen (DO) control. All tested control systems created the desired DO conditions with high accuracy and repeatability across trials. The resources provided shown here can be adapted and modified to be used in a variety of experimental contexts.
环境控制系统是研究动物与环境相互作用的实验研究人员的重要工具。用于测量和调节环境氧气条件的商业系统相对昂贵，并且并不总是能适应各种不同的实验应用。在此，我介绍一种低成本且高度灵活的氧气控制系统，该系统使用 Arduino 微控制器与商业光学氧气传感器相结合。针对三种不同的应用提供了硬件和软件示例：单设定点、顺序和长期溶解氧（DO）控制。所有测试的控制系统在各次试验中均以高精度和可重复性创造出了所需的溶解氧条件。此处提供的资源可进行调整和修改，以用于各种实验环境。
