Beat the Heat with the Modular CryoSnap Dev Kit

Summer is starting to heat up and we are all trying to stay cool. If keeping cool isn’t just on your mind at the park, but also at work, you might just be an embedded hardware engineer. Everything from computer chips to laser diodes and advanced sensors gets scorching hot without proper thermal management. Designing cooling solutions may not be the most interesting part of a device design, but it is absolutely essential.

A new development board designed by Sheetak called the CryoSnap Thermoelectric Dev Kit may not make thermal management any more fun but it can significantly speed up the development process. It is a set of modules that allow you to rapidly assemble, power, and control a complete thermal system. Once the system has been validated, the modules can be embedded into the final product design.

The kit is organized into five interconnected functional sections. A thermal module provides a Sheetak CENTUM thermoelectric cooler, heatsink, fan, mounting hardware, and thermal interface materials. A dedicated TEC driver board handles bidirectional control through an H-bridge design and includes voltage and current sensing. Power is supplied through USB-C Power Delivery with support for up to 100 watts, or through an external DC source up to 32 volts. Control is handled by a removable Arduino Nano, while a user interface section provides local controls and telemetry display capabilities.

Users can assemble the thermal stack, connect a USB-C power source, select a heating or cooling mode, and begin collecting thermal data in less than ten minutes. Real-time telemetry can be streamed over a serial connection, making it easy to evaluate system performance and tune control algorithms.

One of the more unusual aspects of the design is its modular, snap-apart construction. Instead of treating the development hardware as a temporary prototyping tool, engineers can physically separate the functional modules and reuse them in product prototypes. This approach helps close the gap between proof-of-concept testing and production development.

Potential uses include stabilizing laser diodes and photonics equipment, reducing thermal noise in imaging sensors, cooling localized hot spots in electronics, and performing thermal cycling experiments for medical and laboratory instrumentation.

With a starting price of $119 — which is significantly lower than many dedicated laboratory thermoelectric controllers — CryoSnap is an accessible platform for engineers who need to validate thermal designs quickly. For teams looking to move from thermal concept to working prototype without spending weeks building support electronics, Sheetak’s latest development kit could offer a practical shortcut.