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Battery charger EMC interference

Battery charger EMC interference

The following YouTube video demonstrates EMC interference experienced on Amateur Radio 40 Metre band caused by a generic 12-volt battery charger bought on eBay. The Radio transceiver is a Yaesu 991A.

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Raspberry Pi Terminal Commands

Raspberry Pi Terminal Commands

 Run these proc directory commands to uncover other hardware information. cat /proc/meminfo - displays details about the Raspberry Pi's memory. cat /proc/partitions - reveals the size and number of partitions on your SD card or HDD. cat /proc/version - shows you which...

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How to Boot Your Mac in Safe Mode

How to Boot Your Mac in Safe Mode

Booting macOS in Safe Mode is useful for troubleshooting issues like slow performance, system crashes, or startup problems. Safe Mode disables unnecessary startup items and third-party extensions, allowing you to diagnose the root cause of the issue. Here's how you...

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