{"product_id":"schumann-wave-generator-7-83hz-adjustable-signal-generator","title":"Schumann Wave Generator 7.83Hz Adjustable Signal Generator LCD","description":"\n\u003ch2\u003eATUOTIN 7.83Hz Schumann Wave Generator — Precision Adjustable Signal Generator\u003c\/h2\u003e\n\u003cp\u003eExperience Earth's natural resonance frequency with the \u003cstrong\u003eATUOTIN Schumann Wave Generator\u003c\/strong\u003e. Pre-set to the iconic \u003cstrong\u003e7.83Hz Schumann resonance\u003c\/strong\u003e frequency and fully adjustable from \u003cstrong\u003e0.1Hz to 30,000Hz (30KHz)\u003c\/strong\u003e, this compact digital signal generator is ideal for wellness enthusiasts, hobbyists, and lab professionals alike. Its crystal oscillator reference delivers rock-solid frequency stability with strong anti-interference performance — all in a portable, USB-powered form factor.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDefault 7.83Hz Output:\u003c\/strong\u003e Powers on instantly at Earth's natural Schumann resonance frequency, recognized for its calming environmental influence and widely used in wellness and experimental settings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Adjustable Range:\u003c\/strong\u003e Go beyond a single frequency — tune output anywhere from \u003cstrong\u003e0.1Hz to 30KHz\u003c\/strong\u003e via the built-in keypad for versatile lab, research, and DIY applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Model Options:\u003c\/strong\u003e Choose the \u003cem\u003eGreen\u003c\/em\u003e model for pure sine wave output, or the \u003cem\u003eBlack\u003c\/em\u003e model for expanded waveform options including sine, square, and inverted square waves.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrystal Oscillator Stability:\u003c\/strong\u003e A digital crystal oscillator reference ensures exceptional precision and robust anti-interference capability for demanding signal environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Power Options:\u003c\/strong\u003e Powered via Micro USB (5V) or DC 5.5×2.1mm jack — compatible with power banks, USB wall adapters, and laptop USB ports for true portability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLCD Display:\u003c\/strong\u003e Clear, easy-to-read LCD screen displays the current output frequency at all times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Enclosed:\u003c\/strong\u003e Comes with a protective acrylic casing (approx. 155 × 105 × 28mm), ideal for bench use or travel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDefault Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.83Hz (Schumann resonance)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustable Frequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1Hz – 30,000Hz (30KHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna Waveform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSine Wave\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSine Signal Voltage Amplitude\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSquare Wave Signal Voltage Amplitude\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V (Micro USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Board Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 150 × 100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 155 × 105 × 28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.84 × 5.71 × 1.57 in (250 × 142 × 40mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Set Your Frequency\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eEnter your desired frequency using the keypad (e.g., press \u003cstrong\u003e7 → . → 8 → 3\u003c\/strong\u003e for 7.83Hz).\u003c\/li\u003e\n  \u003cli\u003ePress the \u003cstrong\u003eOK button\u003c\/strong\u003e (bottom-left corner) to confirm and apply the setting.\u003c\/li\u003e\n  \u003cli\u003eThe device will default back to \u003cstrong\u003e7.83Hz\u003c\/strong\u003e on next power-up.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eHow to Power the Device\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eConnect the included Micro USB cable to the device's power port.\u003c\/li\u003e\n  \u003cli\u003ePlug the USB end into a power bank, USB charger, or computer USB port.\u003c\/li\u003e\n  \u003cli\u003eThe device will begin operating immediately at the default 7.83Hz frequency.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Schumann Wave Generator (with acrylic casing)\u003c\/li\u003e\n  \u003cli\u003e1× USB Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Due to differences in monitor settings and lighting conditions, actual product color may vary slightly from images. Please allow a 1–2cm measurement variance due to manual measuring. For experimental and wellness use only.\u003c\/p\u003e\n\n\u003cp\u003eFor more information on Earth's electromagnetic environment and the science of resonance frequencies, visit the NASA Science resource on electromagnetic phenomena.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the default frequency of this Schumann Wave Generator?\u003c\/h4\u003e\n\u003cp\u003eA: The device defaults to \u003cstrong\u003e7.83Hz\u003c\/strong\u003e — Earth's natural Schumann resonance frequency — every time it powers on. You can manually adjust the output to any frequency between 0.1Hz and 30,000Hz using the built-in keypad and LCD display.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power source does this signal generator require?\u003c\/h4\u003e\n\u003cp\u003eA: The generator runs on \u003cstrong\u003e5V via Micro USB\u003c\/strong\u003e or a DC 5.5×2.1mm connector. It is compatible with standard USB power banks, USB wall adapters, and laptop USB ports, making it highly portable and versatile for home, lab, or travel use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the green and black model options?\u003c\/h4\u003e\n\u003cp\u003eA: The \u003cstrong\u003egreen model\u003c\/strong\u003e outputs a pure \u003cstrong\u003esine wave only\u003c\/strong\u003e, ideal for straightforward Schumann resonance and wellness applications. The \u003cstrong\u003eblack model\u003c\/strong\u003e adds expanded waveform options including \u003cstrong\u003esine, square, and inverted square waves\u003c\/strong\u003e, making it better suited for broader signal generation and lab testing needs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this device be used for lab testing and DIY electronics projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. With its crystal oscillator frequency reference, wide 0.1Hz–30KHz tunable range, and stable digital output, this adjustable signal generator is well-suited for lab testing, electronics experimentation, DIY projects, and frequency research applications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the default frequency of this Schumann Wave Generator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The device defaults to 7.83Hz — Earth's natural Schumann resonance frequency — every time it powers on. You can manually adjust the output to any frequency between 0.1Hz and 30,000Hz using the built-in keypad and LCD display.\"}}, {\"@type\": \"Question\", \"name\": \"What power source does this signal generator require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The generator runs on 5V via Micro USB or a DC 5.5×2.1mm connector. It is compatible with standard USB power banks, USB wall adapters, and laptop USB ports, making it highly portable and versatile for home, lab, or travel use.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the green and black model options?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The green model outputs a pure sine wave only, ideal for straightforward Schumann resonance and wellness applications. The black model adds expanded waveform options including sine, square, and inverted square waves, making it better suited for broader signal generation and lab testing needs.\"}}, {\"@type\": \"Question\", \"name\": \"Can this device be used for lab testing and DIY electronics projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. With its crystal oscillator frequency reference, wide 0.1Hz–30KHz tunable range, and stable digital output, this adjustable signal generator is well-suited for lab testing, electronics experimentation, DIY projects, and frequency research applications.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Schumann Wave Generator 7.83Hz Adjustable Signal Generator LCD\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/schumann-wave-generator-7-83hz-adjustable-signal-generator\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"China Mainland","offer_id":48778597728448,"sku":"200007763:201336100","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/S9b59adc9289644b4a974333ccec3d511K.webp?v=1786364796","url":"https:\/\/vueselect.com\/products\/schumann-wave-generator-7-83hz-adjustable-signal-generator","provider":"Vue","version":"1.0","type":"link"}