{"product_id":"cobra-flex-universal-modular-drive-by-wire-chassis-4-wheels-4wd-compact-differential-chassis-hub-motors-multi-host-compatible-fully-open-source-code","title":"Cobra Flex Universal Modular Drive-by-Wire Chassis, 4 Wheels 4WD Compact Differential Chassis, Hub Motors, Multi-Host Compatible, Fully Open-Source Code","description":"\u003cdiv class=\"overviewSec\"\u003eCobra Flex Universal Modular Drive-by-Wire Chassis, 4 Wheels 4WD Compact Differential Chassis, Hub Motors, Multi-Host Compatible, Fully Open-Source Code\u003c\/div\u003e\u003cdiv class=\"richWrap\"\u003e\u003cdiv class=\"pdT\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-1.jpg\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis, overall appearance\" \/\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-3.jpg\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis features\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\u003cdiv class=\"richTitle\"\u003eSpecifications\u003c\/div\u003e\u003ctable class=\"tabSty-2 mgnTB alignc\" style=\"color: #fff;\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"width: 45%;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e235.25 × 173 × 101.24mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eChassis weight\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e2375±5g\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eSteering mode\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eDifferential steering\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eNumber of driving wheels\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e4\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eSuspension\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e4-wheel independent suspension\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eChassis height\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e34.24mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMotor no-load speed\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e180rpm@12V (voltage-dependent)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWheelbase\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e154mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eDrive wheel diameter\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e74.5mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eBattery set support\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e3s2p 18650 rechargeable Lithium battery set \u003cspan class=\"note\"\u003e(NOT included)\u003c\/span\u003e is recommended\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eCharging port\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eDC 5.5*2.1 jack\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eExternal power supply\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003ePowered directly by the battery set\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eExtension rails\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e110mm pitch, 1020 aluminum profile\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMaximum operating speed\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e0.53m\/s@12V (voltage-dependent)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eVertical load\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e12KG\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMaximum climbing angle\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e30°\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMinimum turning radius\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e0m (In-situ rotation)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eChassis - host communication protocol\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eUSB \/ UART \/ HTTP\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eChassis - hub motor communication protocol\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eLIN bus\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eChassis - bus servo communication protocol\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eTTL \/ RS485\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eProtection level\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eIP32\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e0°C~40°C\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #ffffff;\"\u003e\u003cdiv class=\"richTitle\"\u003eFeatures At A Glance\u003c\/div\u003e\u003cp class=\"alignl pdTRBL2\"\u003e  The \u003cstrong\u003eCobra Flex\u003c\/strong\u003e is a universal modular Drive-by-Wire chassis with strong off-road crossing ability and shock-absorbing performance, open source all code for secondary development. It supports multiple host computers (Raspberry Pi, Jetson Orin Nano, etc.), the host computer can communicate with the chassis through USB or serial port. The four wheels are driven by 4x bus hub motors with built-in FOC control circuit, which provide strong power and smooth running speed.    Reserved a large internal space for users to install a battery set for uninterruptible power of the robot (a 3s2p 18650 Lithium battery set is recommended), supports charging and power output at the same time. Built in multi-functional robot driver board based on ESP32, adopts strong and weak electric isolation design and supports connecting bus servos, with onboard Wi-Fi (only for short-distance debugging) and Bluetooth. Adopts compact four-wheel independent suspension with CNC process, can easily meet the needs of heavy loads, shock absorption, and off-road. Also, it comes with 2 x 1020 European standard profile rails, providing more possibilities for secondary development.  \u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #ffffff;\"\u003e\u003cdiv class=\"richTitle\" style=\"color: #fff;\"\u003eAll Metal Compact Body with Extra-large Internal Space\u003c\/div\u003e\u003cp class=\"alignl pdTRBL2\"\u003eAdopts independent suspension structure and hub motor design, significantly optimizing the internal space of the chassis. Users can install a compatible Lithium battery set according to the selection guide provided in the wiki (a 3s2p 18650 Lithium battery set is recommended). If the chosen battery set is appropriately sized, there will still be ample space inside the chassis for installing Raspberry Pi, Jetson Orin series or other host computers, and camera module, etc. Users can also freely plan the use of the space according to their actual needs.\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-5.jpg\" class=\"round1234\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis, front view\" \/\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-7.jpg\" class=\"round1234\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis, large internal space\" \/\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\u003cdiv class=\"richTitle\"\u003eSuperb shock absorption performance\u003c\/div\u003e\u003cp class=\"richDesc pdTRBL\"\u003eEach hub motor is equipped with an individual CNC metal suspension, featuring simple and reliable structure with better shock absorption performance\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-9.jpg\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis, with individual CNC metal suspension\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\u003cdiv class=\"richTitle\"\u003eMulti-Host Compatible\u003c\/div\u003e\u003cp class=\"alignl pdTRBL\"\u003eSupports installing Raspberry Pi or Jetson Orin series boards as the host computer inside the chassis. The host computer can communicate with the chassis via USB or UART interfaces for motion control and obtaining real-time status feedback from the chassis\u003c\/p\u003e\u003cdiv class=\"richGridWrap richGridWrap-2c richGridWrap-valignTop mgnTB shdwImg\"\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-11-1.jpg\" class=\"round1234\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis connecting with Jetson Orin\" \/\u003e\u003cp\u003e\u003cstrong\u003eInstall Jetson Orin series as host computer\u003c\/strong\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-11-2.jpg\" class=\"round1234\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis connecting with Jetson Orin\" \/\u003e\u003cp\u003e\u003cstrong\u003eInstall Raspberry Pi as host computer\u003c\/strong\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv class=\"richTitle\"\u003e1020 Standard Aluminum Profile Rails\u003c\/div\u003e\u003cp class=\"richDesc pdTRBL2\"\u003eSupports installing various peripherals and modular mounting components for efficient secondary development\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-13.jpg\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis, with 1020 standard Aluminum profile rails\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\u003cdiv class=\"richTitle\"\u003emore design details\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-15.jpg\" class=\"round1234\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis, onboard resources\" \/\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-17.jpg\" class=\"round1234\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis, onboard resources\" \/\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv class=\"richTitle\"\u003eSupports connecting Bus Servos\u003c\/div\u003e\u003cp class=\"richDesc pdTRBL2\"\u003eThe chassis driver board can support RSBL series and ST\/SC series bus servos(* the power supply voltage for servos must be matched)\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-19.jpg\" class=\"round1234\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis usage demo, installing with robot arm\" \/\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #f8f9fb;\"\u003e\u003cdiv class=\"richTitle\"\u003eRich Open-Source Demos\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-21.jpg\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis open-Source for all demos\" \/\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\u003cdiv class=\"richTitle\"\u003eProduct Show\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-23.jpg\" class=\"round1234\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis product Show\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\u003cdiv class=\"richTitle\"\u003eOutline Dimensions\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-details-size.jpg\" class=\"round1234\" alt=\"Cobra Flex Universal Modular Drive-by-Wire Chassis outline dimensions\" \/\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_banner.png\" \/\u003e\u003cdiv class=\"bgGrey\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_content.png\" \/\u003e\u003chr\u003e\u003cdiv\u003e\u003cstrong\u003eWIKI:\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/Cobra_Flex\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/Cobra_Flex\u003c\/a\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp class=\"subBlock alignl\"\u003e* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003ch2\u003eLieferumfang\u003c\/h2\u003e\u003col\u003e\u003cli\u003eCobra Flex x1\u003c\/li\u003e\u003cli\u003eUSB Type-A male to Type-A female cable ~1.2m x1\u003c\/li\u003e\u003cli\u003e\u003cspan class=\"noteBg\"\u003eOPTIONS\u003c\/span\u003e 12.6V 2A power supply x1\u003c\/li\u003e\u003cli\u003ePacking box x1\u003c\/li\u003e\u003cli\u003eAccessory pack x1\u003c\/li\u003e\u003c\/ol\u003e\u003cdiv class=\"imgTextWrap\"\u003e\u003cdiv\u003e1\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-1_220.jpg\" alt=\"Cobra Flex\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e2\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-13_220.jpg\"\/\u003e\u003c\/div\u003e\u003cdiv\u003e3\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/general\/Power-1_220.jpg\"\/\u003e\u003c\/div\u003e\u003cdiv\u003e4\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-10_220.jpg\"\/\u003e\u003c\/div\u003e\u003cdiv\u003e5\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Cobra-Flex\/Cobra-Flex-11_220.jpg\"\/\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"WaveShare","offers":[{"title":"Default Title","offer_id":53568519143761,"sku":"WSAL31695","price":144482.77,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3798\/0753\/files\/wsal316951-473229.jpg?v=1776684978","url":"https:\/\/albistech.eu\/de\/products\/cobra-flex-universal-modular-drive-by-wire-chassis-4-wheels-4wd-compact-differential-chassis-hub-motors-multi-host-compatible-fully-open-source-code","provider":"Albistech","version":"1.0","type":"link"}