Rheodyne Valve Shaft Adapters

Custom 3D-Printed Couplers + Optional Valve Actuation Kit
Our spline shaft adapters allow seamless motorization of Rheodyne 6- and 7-port injection valves using NEMA 17 stepper motors.

Students, researchers, and small labs can use these adapters to quickly automate injection workflows. Options available:

• Slide-in or screw-together models
• Press-fit or set-screw retention
• Optional SDE-branded engraving for easy ID

Optional: Complete Valve Actuator Kit

Upgrade to full automation with the Rheodyne Valve Actuation Kit, which includes:

• Microstepping driver + ESP32 control module
• Preconfigured GoDCS firmware
• Terminal blocks for easy wiring
• Web dashboard for valve timing and manual override

MCU Spectrometer Kits

Low-Cost Embedded Spectroscopy for DIY Chemists & Developers
These kits integrate the Hamamatsu C12880MA micro spectrometer with an ESP32 microcontroller for real-time visible/NIR spectral data acquisition and streaming.

Ideal for educational labs, home experiments, or embedded process monitoring, our kits offer flexibility and affordability:

• Plug-and-play ESP32 with preloaded firmware
• Configurable integration time and gain
• Serial, HTTP, and WebSocket support
• Optional light source and cuvette holder