{"product_id":"diy-fan-temperature-control-board-auto-speed-pcb-module","title":"DIY Fan Temperature Control Board – Auto Speed PCB Module","description":"\n\u003ch2\u003eDIY Automatic Fan Temperature Control Board – No-Solder PCB Module\u003c\/h2\u003e\n\u003cp\u003eTake full control of your cooling setup with this compact, no-welding DIY Fan Temperature Control Board. Designed for makers, hobbyists, and electronics enthusiasts, this intelligent step-down PCB module automatically adjusts fan speed based on ambient temperature — keeping your projects running cool and efficient without any manual intervention.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Fan Speed Control:\u003c\/strong\u003e Senses temperature and adjusts fan speed in real time for smart, hands-free thermal management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Soldering Required:\u003c\/strong\u003e Beginner-friendly plug-and-play design — simply connect and go.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e Accepts a constant 12V–32V DC input, making it versatile for a range of power supplies and DIY builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStep-Down Output:\u003c\/strong\u003e Delivers a stable DC 12V output to your fan, protecting components from voltage spikes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Sensor Options:\u003c\/strong\u003e Compatible with photosensitive, thermal probe, and surface-mount sensor types for flexible installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-Start at 35°C:\u003c\/strong\u003e Fan activates automatically once the probe detects temperatures at or above 35°C (subject to actual probe temperature).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Tiny 2 × 3.3 cm board fits neatly into enclosures, PC cases, or industrial automation setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 1, 2, or 3-Set Packs:\u003c\/strong\u003e Stock up for multiple projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Fan Temperature Control Board\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 2 × 3.3 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e Constant 12V–32V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e DC 12V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Types:\u003c\/strong\u003e Photosensitive \/ Thermal Probe \/ Surface Mount\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-Start Temperature:\u003c\/strong\u003e 35°C (actual startup depends on probe reading)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFans Supported:\u003c\/strong\u003e 1 fan per board (recommended: 12V, 0.4A or less)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWelding Required:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1, 2, or 3 sets (as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Due to manual measurement, a tolerance of 5–10 mm may exist. Slight colour variations may occur due to lighting differences in product photography. For controlling multiple fans simultaneously, a separate temperature control board is required per fan.\u003c\/p\u003e\n\n\u003ch3\u003eGreat For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY electronics and maker projects\u003c\/li\u003e\n  \u003cli\u003ePC cooling systems and case fans\u003c\/li\u003e\n  \u003cli\u003eIndustrial automation enclosures\u003c\/li\u003e\n  \u003cli\u003e3D printer thermal management\u003c\/li\u003e\n  \u003cli\u003eCustom electronics builds requiring automatic thermal regulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-pack-12v-3-pin-pc-fan-power-extension-cable-26cm-cpu-gpu-cooler\"\u003e10-Pack 12V 3-Pin PC Fan Extension Cable 26cm – CPU GPU Cooler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general guidance on electrical safety in DIY electronics projects, refer to the U.S. Consumer Product Safety Commission – Electrical Safety resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What fan size is compatible with this fan temperature control board?\u003c\/h4\u003e\n\u003cp\u003eA: This DIY fan temperature control board is designed for use with a single 12V DC fan rated at 0.4A or less. Using a fan that draws more current than recommended may affect performance or damage the board. For multiple fans, use one board per fan.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this module require soldering or any special tools to set up?\u003c\/h4\u003e\n\u003cp\u003eA: No soldering is required. This is a no-weld, plug-and-play PCB module, making it ideal for beginners and experienced makers alike. Simply connect your power supply and fan to get started.\u003c\/p\u003e\n\n\u003ch4\u003eQ: At what temperature does the fan automatically turn on?\u003c\/h4\u003e\n\u003cp\u003eA: The fan is set to start automatically when the temperature sensor detects approximately 35°C. The exact startup temperature may vary slightly depending on the type of probe used (photosensitive, thermal probe, or surface-mount) and its placement.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the input voltage range for this control board?\u003c\/h4\u003e\n\u003cp\u003eA: The board accepts a constant DC input voltage between 12V and 32V, offering flexibility for a wide range of power supplies commonly used in DIY electronics and industrial automation applications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What fan size is compatible with this fan temperature control board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DIY fan temperature control board is designed for use with a single 12V DC fan rated at 0.4A or less. Using a fan that draws more current than recommended may affect performance or damage the board. 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