Components

	ATMEGA328PB-UM Microchip	x 1
	74HCU04D,653 NEXPERIA	x 1

Description

Manually calibrated Franklin oscillator LC meter

This LC meter is based on the Fraclin oscillator and Arduino controler. The frequency difference is occured by put the sample parts of the inducter or the capacitor. Arduino shall calculate the value to solute the equation. To recognize such mechanism by assembling and operating this equipment, it is useful for getting the acknoledge of the electronics. Also this meter shall be nesessary to measure the self wound coil value. You can find the detail data on GITHUB:https://github.com/Nobcha/ARD_LCM_MANUAL And I introduced the operation video on YOUTUBE. https://www.youtube.com/watch?v=8As4dPVDQ3E Please visit my blog to update the information. https://hrd-737.hateblo.jp/entry/2025/12/15/231552

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Dec 15,2025

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Manually calibrated Franklin oscillator LC meter

This LC meter is useful for measuring coil inductances below 1 microhenry, which is typical of hand-wound coils.

152

Published: Dec 15,2025

Standard PCB

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BOM(Bill of materials)

Centroid file

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File Last Updated: 2025/12/16 (GMT+8)

File update record

2025-12-1623:52:48

Other files for Assembly are updated.

2025-12-1623:52:48

Centroid file is updated.

2025-12-1623:52:48

Parts List (BOM) is updated.

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