ATX PS Adapter
Use an ATX PC power supply as a 5V, 3.3V, and +12V/-12V bench supply the easy way, without cutting the case or mounting external connectors, resistors, LEDs, switches, and fuses.
Provides visual indication when supply is plugged in and turned on, also fuses the power voltage outputs for safety. Run USB powered development boards via the USB connectors on the 5V line.
Ultimate Serial Port (Debug Buddy)
USB serial port with standard, 5V and 3V RS232, plus integrated null modem and gender changer. Implements TX/RX and RTS#/CTS# for optional hardware handshake.
Also includes 3.3V<->5V level shifters, debug LEDs, and 13 clock sources. Valuable tool for hands on problem solving and hacking