The Optilab ULDC-500-DM is a fully integrated Universal Laser Diode Controller designed for 14 pin butterfly package, with internal and external modulation capability. This compact, easy to use laser diode driver module operates under a single + 5 V power supply. ULDC-500-DM offers LD current and temperature control that comes with a built in LCD display and a USB port for external PC control. The module is equipped with an adapter board, thus making it compatible with 14 pin butterfly LD module for any laser manufacturers by switching the daughter boards provided in the package. It also provides an optional external modulation board to plug-in to modulate up to 2 MHz. It features LD current range of 0 – 500 mA with a setting resolution of 1 mA and Temperature range of 10 to 40 °C with a setting resolution of 0.1 °C.