{"product_id":"pwm-dc-motor-speed-controller-1-8-15v-2a-adjustable-arduino","title":"PWM DC Motor Speed Controller Module — 1.8–15V, 2A, Adjustable, -40°C to 80°C","description":"\u003ch2\u003ePWM DC Motor Speed Controller Module — 1.8–15V, 2A, Adjustable Duty Cycle\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003ePWM DC motor speed controller module\u003c\/strong\u003e provides smooth, stepless speed control for DC motors from 1.8V to 15V at up to 2A continuous current. Using pulse-width modulation (PWM), it adjusts motor speed by varying the duty cycle via an onboard potentiometer — maintaining full motor torque at low speeds unlike resistive voltage divider controllers. Operating from -40°C to +80°C, it is suitable for indoor and outdoor applications.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e1.8V – 15V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003e2A continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Method\u003c\/td\u003e\n\u003ctd\u003ePWM (pulse-width modulation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Adjustment\u003c\/td\u003e\n\u003ctd\u003eOnboard potentiometer (0–100% duty cycle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Frequency\u003c\/td\u003e\n\u003ctd\u003eFixed (internal oscillator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003ePWM Speed Control vs Resistive Voltage Divider\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003ePWM Controller (This Module)\u003c\/th\u003e\n\u003cth\u003eResistive Divider\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque at Low Speed\u003c\/td\u003e\n\u003ctd\u003eFull torque maintained\u003c\/td\u003e\n\u003ctd\u003eReduced torque\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003eHigh (\u0026gt;90%)\u003c\/td\u003e\n\u003ctd\u003eLow (heat loss)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Generation\u003c\/td\u003e\n\u003ctd\u003eMinimal\u003c\/td\u003e\n\u003ctd\u003eSignificant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Range\u003c\/td\u003e\n\u003ctd\u003e0–100% smooth\u003c\/td\u003e\n\u003ctd\u003eLimited range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose This PWM Controller?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1.8–15V wide input\u003c\/strong\u003e — compatible with 3.7V LiPo, 5V USB, 9V, and 12V supplies\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFull torque at low speed\u003c\/strong\u003e — PWM maintains motor torque unlike resistive control\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e2A continuous\u003c\/strong\u003e — drives small to medium DC motors and fans\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e-40°C to +80°C\u003c\/strong\u003e — reliable in outdoor and automotive environments\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSimple potentiometer control\u003c\/strong\u003e — no programming required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDC motor speed control for robots and smart cars\u003c\/li\u003e\n\u003cli\u003eFan speed regulation for cooling systems\u003c\/li\u003e\n\u003cli\u003eArduino motor speed control (external PWM module)\u003c\/li\u003e\n\u003cli\u003eDIY electric vehicle speed controller\u003c\/li\u003e\n\u003cli\u003ePump and conveyor belt speed regulation\u003c\/li\u003e\n\u003cli\u003eLED brightness control (resistive LED loads)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × PWM DC Motor Speed Controller Module (1.8–15V, 2A)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991450177771,"sku":"\u003cnone\u003e","price":9.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/pwm-dc-motor-speed-controller-1-8v-15v-2a-adjustable-regulator.webp?v=1761801446","url":"https:\/\/keszoox.com\/products\/pwm-dc-motor-speed-controller-1-8-15v-2a-adjustable-arduino","provider":"Keszoox","version":"1.0","type":"link"}