Building a Multi-Output RF Field Strength Meter

By KM1NDY

This article describes a DIY RF field strength meter project inspired by VK3YE's The Squeakie design. The device, built around a 555 timer IC and a 1N4148 diode, converts RF signal strength into audible tones with proportional pitch. The author enhanced the original design by adding volume control, LED indication, and digital readout capabilities using an Arduino Nano and LCD display. The completed project functions as a versatile RF detection tool, suitable for antenna testing and fox hunting, while offering multiple output methods: audio, visual, and digital measurement display.

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Technical Reference/Test Equipment/RF Probe

The title of the main category is RF Probe and it deals mainly with RF Probe : Test Equipment. The resource has been on our site since Friday Jan 31 2025, and it has been viewed 8 times. So far no one has rated it yet. Be the first to rate it!
Last updated: 2025-01-31

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