{"product_id":"4-channel-mosfet-pwm-switch-controller-board-dc-5v-27v","title":"4-Channel MOSFET PWM Switch Controller Board DC 5V–27V","description":"\n\u003ch2\u003e4-Channel MOSFET Pulse-Triggered Switch Controller Board with PWM \u0026amp; Optocoupler Isolation\u003c\/h2\u003e\n\u003cp\u003eTake full control of your DC motors, LED lighting strips, and other DC loads with this versatile 4-channel MOSFET switch controller board. Featuring built-in optocoupler isolation and PWM (Pulse Width Modulation) support, this module delivers reliable, noise-resistant switching performance across a wide voltage range of DC 5V to 27V — ideal for hobbyists, engineers, and electronics enthusiasts.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Independent Channels:\u003c\/strong\u003e Control up to four separate DC loads simultaneously with individual pulse-triggered MOSFET switches.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePWM Support:\u003c\/strong\u003e Smoothly adjust motor speed or LED brightness using Pulse Width Modulation signals for precise output control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptocoupler Isolation:\u003c\/strong\u003e Each channel is isolated via optocoupler, protecting your microcontroller or signal source from voltage spikes and electrical noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Voltage:\u003c\/strong\u003e Operates across a broad DC 5V–27V range, making it compatible with a wide variety of power sources and project setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Construction:\u003c\/strong\u003e Surface-mount design ensures a compact, low-profile board that fits easily into enclosures and DIY builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Rated for 0–200°C, suited for demanding environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Board contains no high-concern chemical substances — safe for everyday electronics use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Supports custom configurations to suit a variety of automation and control applications.\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\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V – 27V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD (Surface Mount Device)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePulse-Triggered \/ PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOptocoupler Isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 200°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Module\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\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\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDC motor speed control (fans, pumps, actuators)\u003c\/li\u003e\n  \u003cli\u003eLED strip and lighting dimming\/switching\u003c\/li\u003e\n  \u003cli\u003eArduino, Raspberry Pi, and microcontroller-based automation projects\u003c\/li\u003e\n  \u003cli\u003eIndustrial control panels and DIY relay replacement\u003c\/li\u003e\n  \u003cli\u003eTV and home electronics prototyping\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\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/clip-on-car-fan-led-display-199-speeds-usb-type-c\"\u003eClip-On Car Fan LED Display 199 Speeds | USB \u0026amp; Type-C\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage range does this MOSFET switch controller board support?\u003c\/h4\u003e\n\u003cp\u003eA: This 4-channel MOSFET PWM switch controller board supports a wide supply voltage range of DC 5V to 27V, making it compatible with most standard power supplies used in DIY electronics, automotive, and industrial control projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this board with an Arduino or Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The board's optocoupler isolation allows it to interface safely with 3.3V or 5V microcontrollers such as Arduino and Raspberry Pi. Simply send a PWM or pulse signal from your microcontroller's GPIO pins to trigger each channel independently.\u003c\/p\u003e\n\u003ch4\u003eQ: What kinds of loads can this MOSFET controller board drive?\u003c\/h4\u003e\n\u003cp\u003eA: This module is well-suited for driving DC motors (fans, pumps, linear actuators), LED lighting strips, solenoids, and other DC resistive or inductive loads within the supported voltage range. Always check the maximum current rating of your specific MOSFET channels before connecting high-current loads.\u003c\/p\u003e\n\u003ch4\u003eQ: What is optocoupler isolation and why does it matter?\u003c\/h4\u003e\n\u003cp\u003eA: Optocoupler isolation uses light (LED + phototransistor) to electrically separate the control signal circuit from the load circuit. This protects your microcontroller or signal source from back-EMF, voltage spikes, and electrical noise generated by motors or other inductive loads, greatly improving reliability and safety in your project.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage range does this MOSFET switch controller board support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 4-channel MOSFET PWM switch controller board supports a wide supply voltage range of DC 5V to 27V, making it compatible with most standard power supplies used in DIY electronics, automotive, and industrial control projects.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this board with an Arduino or Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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