To Your Basket Ordering Information Part Number: R196-LOGIC-STATUS Price: $49.95 Weight: 0.10 lbs This convenient module offers Logic Status for any controllers conforming to the 24-pin Basic Stamp and OOPic pinouts. This includes the OOPic, OOPic C, OOPic II, OOPic II+, Basic X, and Basic Stamp 24 controllers.

More Details:

This is another product offered and supported by Magnevation.  A great place to learn more about this product is in the Acroname Forums section for Magnevation products.  Here are some notes from the back of the packaging:

• Plug-n-Play, No soldering required.
• Simultaneous display of the OOPic® 31 I/O lines and an activity indicator for 16 I/O lines with 24 pin processors. Perfect for debugging programs or hardware.
• Designed for use with the OOPic®, OOPic-II®, Atom®, and all other 24-pin compatible processors/micro-controllers.
• Construction allows OOPic II-C®, Basic Stamp®, BasicX®, Atom® to connect to OOPic 40 pin interface.
• "Pass-Thru" design allows connection between OOPic® and other peripherals.
• Impedance approximately 1 meg-ohm on each I/O line makes unit almost invisible to processor or peripherals.
• On-board regulator eliminates power load from the processor or peripherals.
• On-Board connector for serial I/O and programming of processors inserted into the 24-pin socket.
• On board reset button for convenience.
• Black Matte finish circuit board with white lettering gives extremely high contrast.
• Over 100 surface mount components for durability, ruggedness, and reliable operation.
• GaAIAs High-Efficiency LED's allow viewing in direct sunlight while current consumption is less than 40 mA total with all LED's illuminated.
• Small credit card size (2" x 3.5").

Applications:

• Software Debugging.
• Hardware Debugging.
• Direct binary reading of data from processor.
• Status of peripherals.
• Visual displays.
• Attention getting devices.