Differential Probe

How to Safely Connect an Oscilloscope to 220V AC

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How to Safely Connect an Oscilloscope to 220V AC

Recently, a colleague at the company asked me: “Can an oscilloscope be directly connected to the 220V voltage between the live wire and the neutral wire? Will it blow up?” Because it indeed exploded once before, it left a lingering fear~ I believe many of you have similar questions, so today I will summarize this … Read more

Low-Cost Long-Term Monitoring Solution for RS-485 Bus

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Low-Cost Long-Term Monitoring Solution for RS-485 Bus

 RS-485 is a commonly used differential communication bus, capable of long-distance transmission with good interference resistance. However, how can we monitor the communication process for several hours or even days in the face of occasional faults during communication? 1. Testing Requirements Low-cost long-term monitoring of RS-485 bus communication. 2. Testing Challenges The RS-485 is … Read more