{"product_id":"12v-single-channel-pwm-fan-speed-controller-with-25khz-frequency-duty-cycle-adjustable-from-0-to-97","title":"12V Single Channel PWM Fan Speed Controller with 25KHZ Frequency Duty Cycle Adjustable from 0% to 97","description":"\u003csection data-tufzen-geo-summary=\"v1\" class=\"tufzen-product-summary\"\u003e\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003e12V Single Channel PWM Fan Speed Controller with 25KHZ Frequency Duty Cycle Adjustable from is a electronics product selected for electronics repair, testing, prototyping and project work. It is suitable for electronics users, repair technicians and maker project builders who need practical electronics hardware for reliable project work.\u003c\/p\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eelectronics repair, testing, prototyping and project work\u003c\/li\u003e\n\u003cli\u003ebench electronics, DIY projects and maker workflows\u003c\/li\u003e\n\u003cli\u003eElectronics testing, repair, prototyping and maker workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWho is this product for?\u003c\/strong\u003e It is intended for electronics users, repair technicians and maker project builders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check before buying?\u003c\/strong\u003e Review the product options, specifications, included accessories and compatibility details on this page.\u003c\/p\u003e\u003c\/section\u003e\u003cp\u003e\u003cstrong\u003eProduct Selling Points:\u003c\/strong\u003e\u003cbr\u003e1. Small size.\u003cbr\u003e2. Simple to use.\u003cbr\u003e3. Adjustable duty cycle from 0% to 97%, offering a wide speed - regulation range.\u003cbr\u003e4. PWM frequency is 25KHZ.\u003cbr\u003e5. Easy to install.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eProduct Parameters:\u003c\/strong\u003e\u003cbr\u003eThis is a single - channel PWM fan control board, which adopts the PWM speed - regulation scheme and can well adapt to the 4 - wire speed - regulation fans on the market. By rotating the potentiometer, you can conveniently adjust the fan speed.\u003cbr\u003e1. The PWM frequency is 25KHZ, which can adapt to most 12V speed - adjustable fans on the market.\u003cbr\u003e2. The duty cycle is adjustable from 0% to 97%, with a wide speed - regulation range.\u003cbr\u003e3. The rotary potentiometer comes with a switch for easy start - stop operation.\u003cbr\u003e4. Input voltage: 12V.\u003cbr\u003e5. Small size, convenient for installation.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eUsage Instructions:\u003c\/strong\u003e\u003cbr\u003eYou need to solder the wires by yourself and connect to a 12V voltage. Pay attention to the wiring sequence. From top to bottom, pin 1 is grounded, pin 2 is connected to 12V, and pin 3 is left unused.\u003c\/p\u003e\u003cp\u003e Rotate the potentiometer and turn on the switch. The red LED will light up, indicating that the power supply is normal. Continue to adjust the potentiometer clockwise, and the fan speed will gradually increase.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage List:\u003c\/strong\u003e\u003cbr\u003e1*PWM speed - regulation controller\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S720ff2e42f2448c390994cfbbff11e7cH.webp?v=1770193511\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S805581e432db40879eaf147db4cd5960O.webp?v=1770193511\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S32fd46b8263f484aaa85f12a03d74c99s.webp?v=1770193511\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S7630e382910a4133bf1b871e347ec4a62.webp?v=1770193511\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S12eb6857a35f44948d4f710034a360bdR.webp?v=1770193510\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Se269000d0d214ae4b76452419b9c4b6dq.webp?v=1770193511\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003c\/div\u003e\u003cp\u003e\u003c\/p\u003e","brand":"TUFZEN RF","offers":[{"title":"12V","offer_id":47330794242306,"sku":"12000045322969601","price":4.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S720ff2e42f2448c390994cfbbff11e7cH.webp?v=1770193511","url":"https:\/\/tufzen.com\/products\/12v-single-channel-pwm-fan-speed-controller-with-25khz-frequency-duty-cycle-adjustable-from-0-to-97","provider":"TUFZEN","version":"1.0","type":"link"}