Serial Bandwidth Monitor 3.4 🆓

Shows recorded IRPs, IOCTLs, and read/write events.

A 3.4-version serial monitor is indispensable for several professional fields:

Absolutely. While USB and Ethernet have overtaken many legacy roles, serial links are not dead—they are just faster and more critical. Version 3.4 offers something that newer, bloated "universal analyzers" miss: . It does one thing (measure serial bandwidth) and does it with minimal overhead. Serial bandwidth monitor 3.4

Because this tool intercepts serial traffic, be cautious regarding:

In the world of industrial automation, embedded systems, and legacy hardware, serial communication (RS232/RS422/RS485) remains a cornerstone technology. However, monitoring, debugging, and optimizing the throughput of these ports can be challenging. (and similar advanced serial analyzers) provides the necessary visibility into COM port data, ensuring that your communication channels are efficient, reliable, and properly utilized. Shows recorded IRPs, IOCTLs, and read/write events

Monitoring Modbus RTU/ASCII data from PLCs, CNC controllers, and servo drives.

While generic serial sniffers exist, version 3.4 of this particular monitor stands out. It does not just log data; it calculates throughput, identifies bottlenecks, and provides a graphical representation of bandwidth usage over time. This article explores why version 3.4 remains a favorite among field engineers and how to leverage its features for peak performance. Version 3

while True: data = port.read(port.in_waiting or 1) bytes_rx += len(data) elapsed = time.time() - start if elapsed >= 1.0: bps = bytes_rx / elapsed print(f"Bandwidth: bps:.0f B/s") bytes_rx = 0 start = time.time()