{"product_id":"chihai-chp-12gp-n20-encoder-motor-chassis-kit","title":"CHIHAI CHP-12GP-N20 Hall Encoder Gear Motor and Two-Wheel Chassis Kit","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe CHIHAI CHP-12GP-N20 is a miniature planetary DC gear motor with an integrated two-channel Hall encoder. Choose one encoder motor for your own mechanism or a two-motor chassis kit with wheels, mounting brackets and a fibreglass base plate. The kit provides a mechanical drive platform for compact balancing-robot projects; control electronics must be added separately.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompact plastic planetary reduction gearbox with a 120:1 ratio.\u003c\/li\u003e\n\u003cli\u003e5V performance rating: 190rpm no-load and 145rpm at rated load.\u003c\/li\u003e\n\u003cli\u003eA\/B incremental magnetic Hall feedback for speed and rotation sensing.\u003c\/li\u003e\n\u003cli\u003e7PPR motor-side encoder, giving 840 pulses per gearbox output revolution before any controller-specific quadrature counting.\u003c\/li\u003e\n\u003cli\u003eZH1.5-6PIN interface and connecting lead.\u003c\/li\u003e\n\u003cli\u003eForward and reverse motor operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor model\u003c\/th\u003e\n\u003ctd\u003eCHP-12GP-N20; page model CHP-12GP-N20ABHL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor operating voltage\u003c\/th\u003e\n\u003ctd\u003eDC 3–5V; performance values below at 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGear ratio\u003c\/th\u003e\n\u003ctd\u003e120:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNo-load speed \/ current\u003c\/th\u003e\n\u003ctd\u003e190rpm \/ ≤120mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated speed \/ torque \/ current\u003c\/th\u003e\n\u003ctd\u003e145rpm \/ 0.65kg·cm \/ ≤0.26A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStall torque \/ current\u003c\/th\u003e\n\u003ctd\u003e≥1.5kg·cm \/ ≤1.5A; do not operate stalled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput shaft\u003c\/th\u003e\n\u003ctd\u003eD-shaped, nominal 8mm extension; see drawing for detailed geometry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGearbox diameter\u003c\/th\u003e\n\u003ctd\u003e12.0 ±0.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproximate motor mass\u003c\/th\u003e\n\u003ctd\u003e12g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEncoder\u003c\/th\u003e\n\u003ctd\u003eTwo-channel incremental magnetic Hall encoder; A\/B square-wave output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEncoder supply\u003c\/th\u003e\n\u003ctd\u003eDC 3.3V or 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEncoder response frequency\u003c\/th\u003e\n\u003ctd\u003e100kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnetic ring\u003c\/th\u003e\n\u003ctd\u003e14 poles, 7 pole pairs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput pulse relation\u003c\/th\u003e\n\u003ctd\u003e7PPR × 120 = 840 pulses\/output revolution; counting convention depends on controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEncoder conditioning\u003c\/th\u003e\n\u003ctd\u003eOn-board pull-up and signal-shaping resistors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKit wheels\u003c\/th\u003e\n\u003ctd\u003e34mm diameter × 6.5mm width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis plate\u003c\/th\u003e\n\u003ctd\u003e60 × 50mm; drawing shows 53.5 × 43.5mm hole spacing and 2.2mm holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAssembled width\u003c\/th\u003e\n\u003ctd\u003eApproximately 105mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproximate complete mechanical kit mass\u003c\/th\u003e\n\u003ctd\u003e36g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting bracket\u003c\/th\u003e\n\u003ctd\u003e25mm overall length, 14.5mm outer width, 12mm inner width, 10mm inner height, 11.3mm overall height; fixing centres approximately 18.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eWiring and Installation\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eSignal\u003c\/th\u003e\n\u003cth\u003eLead colour\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eMotor power +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eHall encoder supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eC2\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003ctd\u003eEncoder channel B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eC1\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEncoder channel A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003ctd\u003eHall encoder ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eM1\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eMotor power −\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eMotor power and encoder power use separate pins. Check connector orientation and pin numbering against the drawing before applying power; the black lead is encoder VCC, not ground. Match the encoder supply and signal levels to your controller. Use a suitable motor driver and avoid overload, prolonged stalls and excessive supply voltage.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eUse the single motor for compact motion and feedback experiments, or the chassis kit as the mechanical base for a small two-wheel balancing robot. A controller, suitable sensing and motor drivers are required to implement balancing and closed-loop motion.\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEncoder Motor - 1 pc:\u003c\/strong\u003e one encoder gear motor and connecting lead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Motor Chassis Kit:\u003c\/strong\u003e two 5V 190rpm encoder motors, two mounting brackets, one fibreglass chassis plate, two 34mm wheels and matching installation fasteners.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBattery, motor driver, balancing controller and inertial sensor are not included. Assembled images illustrate the mechanical kit configuration.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eWill the chassis balance by itself?\u003c\/h3\u003e\u003cp\u003eNo. The kit supplies the mechanical platform. Balancing requires your own controller, sensing, driver electronics and control software.\u003c\/p\u003e\u003ch3\u003eIs 190rpm the loaded speed?\u003c\/h3\u003e\u003cp\u003eNo. It is the no-load output speed at 5V. The rated-load speed is 145rpm.\u003c\/p\u003e\u003ch3\u003eDoes 840 mean quadrature counts?\u003c\/h3\u003e\u003cp\u003eIt is the specified 7PPR motor-side pulse rate multiplied by the 120:1 reduction. The number reported by your controller depends on its edge-counting mode.\u003c\/p\u003e\u003ch2\u003eVisual Details\u003c\/h2\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chp12gp-technical.webp?v=1793671579\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chp12gp-technical.webp?v=1793671579\" alt=\"Motor dimensions and pinout, Hall encoder connections and chassis plate dimensions\" style=\"max-width:100%;height:auto\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eMotor dimensions and pinout, Hall encoder connections and chassis plate dimensions\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chp12gp-wheel.webp?v=1793671582\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chp12gp-wheel.webp?v=1793671582\" alt=\"34mm diameter wheel with 6.5mm width\" style=\"max-width:100%;height:auto\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003cfigcaption\u003e34mm diameter wheel with 6.5mm width\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chp12gp-bracket.webp?v=1793671585\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chp12gp-bracket.webp?v=1793671585\" alt=\"Motor mounting bracket and installation hardware\" style=\"max-width:100%;height:auto\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eMotor mounting bracket and installation hardware\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"CHIHAI MOTOR","offers":[{"title":"Encoder Motor - 1 pc","offer_id":68423133593824,"sku":"TB867903167647-5864370787939","price":15.59,"currency_code":"USD","in_stock":true},{"title":"Two-Motor Chassis Kit","offer_id":68423133626592,"sku":"TB867903167647-5864370787940","price":26.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/chp12gp-motor.jpg?v=1793671592","url":"https:\/\/rcdrone.top\/products\/chihai-chp-12gp-n20-encoder-motor-chassis-kit","provider":"RCDrone","version":"1.0","type":"link"}