DIY Automatic Fan Temperature Control Board – No-Solder PCB Module Take 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. Made in Mainland China. Key Features Automatic Fan Speed Control: Senses temperature and adjusts fan speed in real time for smart, hands-free thermal management. No Soldering Required: Beginner-friendly plug-and-play design — simply connect and go. Wide Input Voltage Range: Accepts a constant 12V–32V DC input, making it versatile for a range of power supplies and DIY builds. Step-Down Output: Delivers a stable DC 12V output to your fan, protecting components from voltage spikes. Multiple Sensor Options: Compatible with photosensitive, thermal probe, and surface-mount sensor types for flexible installation. Auto-Start at 35°C: Fan activates automatically once the probe detects temperatures at or above 35°C (subject to actual probe temperature). Compact Form Factor: Tiny 2 × 3.3 cm board fits neatly into enclosures, PC cases, or industrial automation setups. Available in 1, 2, or 3-Set Packs: Stock up for multiple projects. Specifications Model: Fan Temperature Control Board Dimensions: 2 × 3.3 cm Input Voltage: Constant 12V–32V DC Output Voltage: DC 12V Sensor Types: Photosensitive / Thermal Probe / Surface Mount Auto-Start Temperature: 35°C (actual startup depends on probe reading) Fans Supported: 1 fan per board (recommended: 12V, 0.4A or less) Welding Required: No Battery Included: No Package Contents: 1, 2, or 3 sets (as selected) Please Note: 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. Great For DIY electronics and maker projects PC cooling systems and case fans Industrial automation enclosures 3D printer thermal management Custom electronics builds requiring automatic thermal regulation Related Products You May Like 1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler 10-Pack 12V 3-Pin PC Fan Extension Cable 26cm – CPU GPU Cooler For general guidance on electrical safety in DIY electronics projects, refer to the U.S. Consumer Product Safety Commission – Electrical Safety resource. Frequently Asked Questions Q: What fan size is compatible with this fan temperature control board? A: 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. Q: Does this module require soldering or any special tools to set up? A: 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. Q: At what temperature does the fan automatically turn on? A: 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. Q: What is the input voltage range for this control board? A: 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. {"@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. For multiple fans, use one board per fan."}}, {"@type": "Question", "name": "Does this module require soldering or any special tools to set up?", "acceptedAnswer": {"@type": "Answer", "text": "No soldering is required. This is a no-weld, plug-and-play PCB module, making it ideal for beginners and experienced makers alike. 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