Simple BFO #MetalDetector - Improved Circuit Design || #ElectronicsProjects | EdgeFX Technologies Pvt. Ltd.
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Simple BFO #MetalDetector - Improved Circuit Design || #ElectronicsProjects | EdgeFX Technologies Pvt. Ltd.
895 viewsDec 28, 2017
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Simple Sensitive 3 Transistors BFO Metal Detector
Simple Sensitive 3 Transistors BFO Metal Detector
Aug 5, 2023
hackster.io
DIY metal detector on a budget! Built a BFO circuit from scratch. It works, but only for super close finds. Next challenge: range! #DIYElectronics #MetalDetector #BFO #Maker #TechHacks
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DIY metal detector on a budget! Built a BFO circuit from scratch. It works, but only for super close finds. Next challenge: range! #DIYElectronics #MetalDetector #BFO #Maker #TechHacks
82 views2 months ago
TikTokledetectorist_off
Build your own effective metal detector easily! This quick project uses two powerful Integrated Circuits: the NE555 Timer and the TL072 JFET Op-Amp. Our circuit utilizes the Beat Frequency Oscillator (BFO) principle. The NE555 provides a stable Reference Frequency. The Search Coil creates a second frequency that shifts when metal is nearby (due to inductance change). The TL072 then mixes and amplifies the difference between these two frequencies, generating the distinct detection tone. Key Compo
3:01
Build your own effective metal detector easily! This quick project uses two powerful Integrated Circuits: the NE555 Timer and the TL072 JFET Op-Amp. Our circuit utilizes the Beat Frequency Oscillator (BFO) principle. The NE555 provides a stable Reference Frequency. The Search Coil creates a second frequency that shifts when metal is nearby (due to inductance change). The TL072 then mixes and amplifies the difference between these two frequencies, generating the distinct detection tone. Key Compo
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