127

Overview

The Pololu 127 is a serial adapter module designed to interface with computer serial ports. It serves as a partial kit version of the 23201a serial adapter, featuring pre-assembled surface-mount components. The package includes a 12-pin header and a DB9 connector for connectivity.

Feature Summary

• Incorporates advanced signal conditioning circuitry to filter electromagnetic interference
• Provides stable voltage regulation for reliable operation
• Designed to access all features available on standard computer serial ports

Applications

• Connecting microcontroller projects to PC serial ports
• Prototyping serial communication interfaces
• interfacing with legacy serial devices via modern computers

Procurement Notes

Verify that the specific unit received matches the partial kit configuration, ensuring the inclusion of the 12-pin header and DB9 connector alongside the assembled surface-mount components. Confirm compatibility with the target serial port standards before integration into the system design.

Selection Notes

Select this model when a compact solution is required to bridge serial protocols between embedded systems and host computers. The partial kit format allows for flexible integration into custom enclosures or larger assemblies where space constraints exist.

Part Context

This component belongs to the Pololu serial adapter product line, specifically related to the 23201a series. It functions as an intermediary hardware layer enabling data exchange between digital logic levels and RS-232 signaling standards commonly found on personal computers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.