{"product_id":"8-channel-servo2-chain-stm32g031","title":"8-Channel Servo2 Chain (STM32G031)","description":"\u003cp\u003e\u003cstrong\u003eThe M5Stack Unit 8Servos2-Chain provides eight configurable channels for servo control, digital I\/O, ADC, PWM and RGB LEDs, with UART daisy-chain connectivity, 9-24V input and built-in current monitoring for multi-servo projects.\u003c\/strong\u003e\u003c\/p\u003e \u003chr\u003e \u003cp\u003eThe \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e \u003cstrong\u003eUnit 8Servos2-Chain\u003c\/strong\u003e is an \u003cstrong\u003e8-channel servo cascade control unit\u003c\/strong\u003e with an \u003cstrong\u003eintegrated STM32G031G8U6 core controller\u003c\/strong\u003e. It adopts a \u003cstrong\u003eUART communication interface\u003c\/strong\u003e and is compatible with the \u003ca href=\"\/collections\/m5stack-chain-series\" title=\"M5Stack Chain Series\"\u003eChain series\u003c\/a\u003e UART serial cascade communication protocol.\u003c\/p\u003e \u003cp\u003eIt provides \u003cstrong\u003e8 x configurable IO channels\u003c\/strong\u003e that support configuring multiple operating modes: \u003cstrong\u003eservo control\u003c\/strong\u003e, \u003cstrong\u003edigital input\/output\u003c\/strong\u003e, \u003cstrong\u003eADC input\u003c\/strong\u003e, \u003cstrong\u003eRGB LED control\u003c\/strong\u003e, and \u003cstrong\u003ePWM mode\u003c\/strong\u003e.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTwo onboard HY2.0-4P interfaces\u003c\/strong\u003e serve as the input and output interfaces of the Chain series protocol, enabling chained connections of multiple devices.\u003c\/p\u003e \u003cp\u003eThis unit supports \u003cstrong\u003eDC 9 ~ 24V input\u003c\/strong\u003e and integrates an \u003cstrong\u003eSY8303AIC step-down circuit\u003c\/strong\u003e to provide a \u003cstrong\u003e5V supply\u003c\/strong\u003e, with a \u003cstrong\u003emaximum total output current of 3A\u003c\/strong\u003e. An onboard \u003cstrong\u003eINA199A1DCKR current detection circuit\u003c\/strong\u003e can sample the total servo current, and input voltage and 5V supply voltage sampling circuits, a DC power interface status indicator, and a \u003cstrong\u003eHY2.0-4P interface\u003c\/strong\u003e undervoltage status indicator are also provided, making it suitable for application scenarios such as multi-servo control, \u003ca href=\"\/collections\/adafruit-robotics-cnc\" title=\"Robotics \u0026amp; CNC\"\u003erobot\u003c\/a\u003e joint drive, and smart toys.\u003c\/p\u003e \u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/m3_2uu1Q3ss?si=n8D395BHpDncAHbq\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eSTM32G031G8U6 core controller\u003c\/li\u003e \u003cli\u003e8x configurable IO channels supporting multiple operating modes:\u003cbr\u003e \u003cul\u003e \u003cli\u003eServo control\u003c\/li\u003e \u003cli\u003eDigital input\/output\u003c\/li\u003e \u003cli\u003eADC input\u003c\/li\u003e \u003cli\u003eRGB LED control\u003c\/li\u003e \u003cli\u003ePWM mode\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eCommunication interface\u003cbr\u003e \u003cul\u003e \u003cli\u003eAdopts the Chain series UART serial cascade communication protocol\u003c\/li\u003e \u003cli\u003e2x HY2.0-4P interfaces support multi-device cascade\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003ePower and detection\u003cbr\u003e \u003cul\u003e \u003cli\u003eDC 9 ~ 24V power input, with an integrated 5V@3A step-down circuit (peripheral drive + HY2.0-4P output to power the controller)\u003c\/li\u003e \u003cli\u003eIntegrated total servo current detection\u003c\/li\u003e \u003cli\u003eDC input voltage detection\u003c\/li\u003e \u003cli\u003e5V supply voltage detection\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eStatus indication\u003cbr\u003e \u003cul\u003e \u003cli\u003eRed indicator: DC power interface status indicator (lights up when the interface voltage is higher than 8.5V)\u003c\/li\u003e \u003cli\u003eGreen indicator: HY2.0-4P interface undervoltage status indicator (lights up when the interface voltage is lower than 4.5V)\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003ctable style=\"height: 234px;\"\u003e \u003ctbody\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eMCU\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003eSTM32G031G8U6\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eConfigurable IO Channels\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003e8, supports operating modes: servo control, digital input\/output, ADC input, RGB LED, PWM mode\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eIO Channel Interface\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003e8 x 2.54-3P\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003eUART @ Chain Series Communication Protocol (IN \/ OUT)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eDC Power Input Interface\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003eInput voltage: DC 9 ~ 24V, spec: 5.5 x 2.1mm, polarity: center positive, outer negative\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eStep-Down Chip\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003eSY8303AIC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003eDC 5V, max 3A (shared by all onboard loads)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eCurrent Detection Circuit\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003eINA199A1DCKR, paired with a 10mΩ sampling resistor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eIndicator\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003eRed DC input monitoring indicator, green undervoltage monitoring indicator\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eStandby Power Consumption\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003eDC 12V@5.71mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eOperating Power Consumption\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003eDC 12V@1.6A (8 servo loads)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003e56.0 x 24.0 x 11.5mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 213.843px;\"\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 643.218px;\"\u003e11.7g\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eResources\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/products\/sku\/U223\" target=\"_blank\" rel=\"noopener\" title=\"Documents\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePackage Contents\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1x 8-Channel Servo2 Chain (STM32G031)\u003c\/li\u003e \u003cli\u003e1x HY2.0-4P Grove Cable (20cm)\u003c\/li\u003e \u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":56462751007105,"sku":"U223","price":11.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/8-channel-servo2-chain-stm32g031-m5stack-u223-1265185292.jpg?v=1793292518","url":"https:\/\/thepihut.com\/products\/8-channel-servo2-chain-stm32g031","provider":"The Pi Hut","version":"1.0","type":"link"}