{"product_id":"pwm-fan-speed-controller-12v-24v-temperature-adjustable-fixed-mode","title":"PWM Fan Speed Controller 12V 24V – Temperature Adjustable","description":"\n\u003ch2\u003ePWM Fan Speed Controller – Smart Temperature-Based Fan Regulation\u003c\/h2\u003e\n\u003cp\u003eTake full control of your cooling setup with this \u003cstrong\u003ePWM Fan Speed Controller\u003c\/strong\u003e. Designed for 12V and 24V fans, this compact controller automatically adjusts fan speed based on the detected temperature — the warmer it gets, the faster the fan spins, and as temperatures drop, the fan slows down to minimize noise. It's an effortless upgrade for PC builds, server racks, electronics enclosures, or any DIY cooling project.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature-Based Speed Control:\u003c\/strong\u003e Fan RPM scales up and down in real time as ambient temperature changes — no manual adjustments needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePWM (Pulse Width Modulation) Technology:\u003c\/strong\u003e Delivers smooth, precise fan speed regulation for consistent and efficient cooling performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works with standard 12V and 24V fans, making it suitable for a broad range of electronics and DIY applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Connection:\u003c\/strong\u003e Straightforward wiring with a stable 19.7-inch (50cm) cable — connects quickly without tools or expertise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Fixed Mode:\u003c\/strong\u003e Switch between automatic temperature-responsive mode and a fixed-speed manual mode to suit your specific needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Construction:\u003c\/strong\u003e Built on a quality Printed Circuit Board (PCB) support for reliable, long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Versatile:\u003c\/strong\u003e Small form factor fits easily into tight enclosures, PC cases, and custom electronics builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Method:\u003c\/strong\u003e PWM (Pulse Width Modulation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Voltage:\u003c\/strong\u003e 12V \/ 24V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e Approx. 19.7 inches (50cm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Printed Circuit Board (PCB)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModes:\u003c\/strong\u003e Automatic (temperature-responsive) \u0026amp; Fixed (manual)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePC case cooling optimization\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and maker projects\u003c\/li\u003e\n  \u003cli\u003eServer rack and enclosure ventilation\u003c\/li\u003e\n  \u003cli\u003e3D printer cooling systems\u003c\/li\u003e\n  \u003cli\u003eHome automation and smart cooling setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExplore More DIY Electronics \u0026amp; Accessories\u003c\/h3\u003e\n\u003cp\u003eLooking to expand your build? Check out our \u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads for DIY Projects\u003c\/a\u003e, browse our \u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire for DIY Making\u003c\/a\u003e, or discover our full range of maker-friendly components in store.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How does the PWM Fan Speed Controller regulate fan speed?\u003c\/h4\u003e\n\u003cp\u003eA: This PWM Fan Speed Controller uses a built-in temperature sensor to automatically adjust fan speed in real time. As temperature rises, the fan spins faster to increase airflow; as temperature drops, the fan slows down to reduce noise — all without any manual input required.\u003c\/p\u003e\n\u003ch4\u003eQ: What fans are compatible with this fan speed controller?\u003c\/h4\u003e\n\u003cp\u003eA: This controller is compatible with standard 12V and 24V fans, covering a wide range of PC case fans, cooling fans for electronics enclosures, 3D printer fans, and other common fan types used in DIY builds.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use the fan speed controller in a fixed (manual) mode?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! In addition to automatic temperature-based speed control, this controller also features an adjustable fixed mode, allowing you to manually set a constant fan speed to suit your specific cooling or noise preferences.\u003c\/p\u003e\n\u003ch4\u003eQ: How long is the cable on this fan speed controller?\u003c\/h4\u003e\n\u003cp\u003eA: The controller comes with a stable 19.7-inch (approximately 50cm) cable, providing enough reach for most PC cases, enclosures, and electronics builds without the need for extensions.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How does the PWM Fan Speed Controller regulate fan speed?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This PWM Fan Speed Controller uses a built-in temperature sensor to automatically adjust fan speed in real time. As temperature rises, the fan spins faster to increase airflow; as temperature drops, the fan slows down to reduce noise — all without any manual input required.\"}}, {\"@type\": \"Question\", \"name\": \"What fans are compatible with this fan speed controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This controller is compatible with standard 12V and 24V fans, covering a wide range of PC case fans, cooling fans for electronics enclosures, 3D printer fans, and other common fan types used in DIY builds.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use the fan speed controller in a fixed (manual) mode?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! In addition to automatic temperature-based speed control, this controller also features an adjustable fixed mode, allowing you to manually set a constant fan speed to suit your specific cooling or noise preferences.\"}}, {\"@type\": \"Question\", \"name\": \"How long is the cable on this fan speed controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The controller comes with a stable 19.7-inch (approximately 50cm) cable, providing enough reach for most PC cases, enclosures, and electronics builds without the need for extensions.\"}}]}\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:\/\/0i45ne-c8.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PWM Fan Speed Controller 12V 24V – Temperature Adjustable\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/products\/pwm-fan-speed-controller-12v-24v-temperature-adjustable-fixed-mode\"}]}\u003c\/script\u003e","brand":"Zpaxo","offers":[{"title":"Blue","offer_id":54311401750838,"sku":"14:173","price":20.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/7774\/3158\/files\/S0410465e96f24e02a6bf211cc3b45513C.webp?v=1784986422","url":"https:\/\/zpaxo.com\/products\/pwm-fan-speed-controller-12v-24v-temperature-adjustable-fixed-mode","provider":"Zpaxo","version":"1.0","type":"link"}