{"product_id":"40mm-cooling-fan-5v-pwm-adjustable","title":"40mm Cooling Fan, 5V (PWM Adjustable)","description":"\u003cdiv class=\"contents\"\u003e\n \u003cp\u003e\n  This is a  5V cooling fan powered by 5V that is speed adjustable via a PWM signal, often used with the Jetson nano board for extra cooling.  Compared to the simple 40mm fan we sell, this one is significantly more powerful to help keep your Jetson cool under demanding loads.\n \u003c\/p\u003e\n \u003ch2\u003e\n  Features\n \u003c\/h2\u003e\n \u003cul\u003e\n  \u003cli\u003e\n   Category:\n   \u003ca href=\"https:\/\/www.unmannedtechshop.co.uk\/product\/nvidia-jetson-nano-ai-development-kit\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\n    Jetson Nano\n   \u003c\/a\u003e\n   cooling fan\n  \u003c\/li\u003e\n  \u003cli\u003e\n   Connector: 4PIN reverse-proof connector\n  \u003c\/li\u003e\n  \u003cli\u003e\n   Spec: 5V, PWM adjustment\n  \u003c\/li\u003e\n  \u003cli\u003e\n   Dimensions: 40mm×40mm×20mm\n  \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch2\u003e\n  Wire Pinout\n \u003c\/h2\u003e\n \u003cp\u003e\n  \u003cb\u003e\n   Black\n  \u003c\/b\u003e\n  -\u0026gt; GND;\n  \u003cb\u003e\n   Red\n  \u003c\/b\u003e\n  -\u0026gt; Vcc;\n  \u003cb\u003e\n   Blue\n  \u003c\/b\u003e\n  -\u0026gt; Tach;\n  \u003cb\u003e\n   Yellow\n  \u003c\/b\u003e\n  -\u0026gt; PWM.\n \u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\n \u003cspan class=\"mw-headline\" id=\"Software_setting\"\u003e\n  Software setting\n \u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Running fan: you can use the command below to run the fan at full speed.\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cpre\u003esudo sh -c 'echo 255 \u0026gt; \/sys\/devices\/pwm-fan\/target_pwm' \r\n\u003c\/pre\u003e\n\u003cp\u003e\n 【Note】You can change the 255 to another value (0~255) to change the speed of fan.\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  You can also set the fan run when booting by creating and modifying rc.local file.\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cpre\u003esudo vi \/etc\/rc.local\r\n\u003c\/pre\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Add statements below to rc.local file and save.\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cpre\u003e#!\/bin\/bash\r\nsleep 10\r\nsudo \/usr\/bin\/jetson_clocks\r\nsudo sh -c 'echo 255 \u0026gt; \/sys\/devices\/pwm-fan\/target_pwm'\r\n\u003c\/pre\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Modify file permission.\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cpre\u003esudo chmod u+x rc.local\r\n\u003c\/pre\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Then reboot and testing\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cpre\u003esudo reboot\r\n\u003c\/pre\u003e\n\u003cp\u003e\n 【Note】if you are strange with the vi editor, you can also install nano and use it for editing:\n\u003c\/p\u003e\n\u003cpre\u003esudo apt-get install nano\r\nsudo nano \/etc\/rc.local\u003c\/pre\u003e\n\u003cdiv class=\"contents\"\u003e\n \u003cp\u003e\n  The color of Tach and PWM may be different among different batches, it is all to the actual products.\n \u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Unmanned Tech","offers":[{"title":"Default Title","offer_id":54199902109960,"sku":"415-7A7-426","price":2.95,"currency_code":"GBP","in_stock":false}],"url":"https:\/\/bidnamic.store\/products\/40mm-cooling-fan-5v-pwm-adjustable","provider":"Bidnamic Store","version":"1.0","type":"link"}