3D-printed thermoregulator and magnetic stirrer device

Many chemical measurement protocols require temperature control and stirring of the sample. Experimental procedures such as titration are usually performed in a laboratory using various devices, such as a bulky cryostat. In this paper, we describe a compact system that combines stirring and temperature control functions in a single unit. It can be assembled using 3D-printed parts and standard electronic components. The hardware is controlled using open-source software. Our system is designed for 100 ml samples with a controlled temperature range of ±7°C around the ambient temperature. The Arduino board can be controlled either via a terminal or through a master system. Its low manufacturing cost will make it easy to replicate and will allow for a wide range of analytical measurements using probes, including protocols with numerous replicates.