LabJack U6, USB Multifunction Analog & Digital I/O Data Acquisition
Amazon.com: U3-LV (Low Voltage) USB DAQ Device with 16 Flexible I/O for Analog 0-2.4Volts Signals and Digital Data Acquisition of Sensors, Relay Control, Automation and Timers : Electronics
LabJack Data Acquisition Multifunction Hardware - USB, Ethernet, and WiFi-based measurement and automation devices - Third-Party Products & Services - MATLAB & Simulink
LabJack T4-Entry Level Analog & Digital GPIO, Free Software & Support