{"product_id":"feetech-sts3215-c001-7-4v-19kg-cm-serial-bus-servo-motor-1-345-metal-gear-dual-axis-ttl-360-magnetic-encoder","title":"Feetech STS3215 (C001) 7.4V 19kg.cm Serial Bus Servo Motor – 1:345 Metal Gear, Dual Axis, TTL, 360° Magnetic Encoder","description":"\u003cp\u003eThe \u003cstrong\u003eFeetech STS3215 (C001)\u003c\/strong\u003e is a 7.4V smart bus servo made for multi-joint robots such as robotic arms, humanoids and quadrupeds. Inside its compact dual-shaft body sits a coreless motor, a 1:345 metal gearbox and a 12-bit magnetic encoder, delivering up to \u003cstrong\u003e19.5 kg.cm of stall torque\u003c\/strong\u003e along with true 360° absolute angle sensing. It is the go-to servo for popular open-source arm builds like the SO-ARM100 and SO-ARM101.\u003c\/p\u003e\n\n\u003cp\u003eInstead of a standard PWM signal, the STS3215 is driven over a \u003cstrong\u003ehalf-duplex TTL serial bus\u003c\/strong\u003e. Every servo carries its own ID, so a whole chain of servos can share one data line and still be commanded one by one from a single serial port, which keeps wiring on multi-axis builds clean and simple. Each unit also sends back real-time data on position, speed, load, supply voltage, current and temperature.\u003c\/p\u003e\n\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong output:\u003c\/strong\u003e 19.5 kg.cm stall torque at 7.4V, produced by a coreless motor driving a 1:345 metal reduction gearbox.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsolute 360° sensing:\u003c\/strong\u003e 12-bit magnetic encoder giving 4096 counts per revolution, roughly 0.088° per step.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus-based control:\u003c\/strong\u003e addressable half-duplex TTL UART, so many servos can be daisy-chained on one line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLive status reporting:\u003c\/strong\u003e returns position, speed, load, voltage, current and temperature readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour operating modes:\u003c\/strong\u003e position (servo), closed-loop speed, open-loop speed and step mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-shaft body:\u003c\/strong\u003e a main output shaft plus an auxiliary rear shaft for rigid, well-supported joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to last:\u003c\/strong\u003e ball bearings, metal gearing and on-board over-voltage and over-temperature protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-volatile settings:\u003c\/strong\u003e ID, angle limits and other parameters stay stored after power is removed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSTS3215 (C001 version)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFeetech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e6V – 7.4V (7.4V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall Torque\u003c\/td\u003e\n\u003ctd\u003e19.5 kg.cm @ 7.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Torque\u003c\/td\u003e\n\u003ctd\u003e6.5 kg.cm @ 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-Load Speed\u003c\/td\u003e\n\u003ctd\u003e0.238 sec\/60° @ 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-Load Current\u003c\/td\u003e\n\u003ctd\u003e150 mA @ 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall Current\u003c\/td\u003e\n\u003ctd\u003e2 A @ 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction Ratio\u003c\/td\u003e\n\u003ctd\u003e1:345\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGearing\u003c\/td\u003e\n\u003ctd\u003eMetal gears\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eCoreless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearings\u003c\/td\u003e\n\u003ctd\u003eBall bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngle Sensor\u003c\/td\u003e\n\u003ctd\u003e12-bit magnetic encoder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotation Range\u003c\/td\u003e\n\u003ctd\u003e360° (0 – 4095), no mechanical stop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngular Resolution\u003c\/td\u003e\n\u003ctd\u003e≈0.088° (360°\/4096)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeedback Data\u003c\/td\u003e\n\u003ctd\u003ePosition, speed, load, input voltage, current, temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Signal\u003c\/td\u003e\n\u003ctd\u003eDigital data packet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eHalf-duplex asynchronous serial, TTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003e38,400 bps – 1 Mbps (default 1 Mbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Spline\u003c\/td\u003e\n\u003ctd\u003e25T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorn Material\u003c\/td\u003e\n\u003ctd\u003ePlastic (POM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable\u003c\/td\u003e\n\u003ctd\u003e150 mm, 3-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e45.2 x 24.7 x 35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e55 ± 1 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-15°C to 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnection Guide\u003c\/h3\u003e\n\u003cp\u003eTransmit and receive share a single half-duplex data wire, so this servo cannot be run from an ordinary PWM servo output. Connect it through a half-duplex serial adapter or bus servo driver board (such as the Feetech FE-URT-1 USB adapter or a compatible driver), and control it from a PC, Arduino, ESP32, STM32 or Raspberry Pi. Use a power supply sized for the combined stall current of all servos on the bus.\u003c\/p\u003e\n\n\u003ch3\u003eWhere It's Used\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRobot arms, including SO-ARM100 \/ SO-ARM101 builds\u003c\/li\u003e\n\u003cli\u003eHumanoid, hexapod and four-legged robots\u003c\/li\u003e\n\u003cli\u003ePan-tilt mounts, camera gimbals and grippers\u003c\/li\u003e\n\u003cli\u003eEducation, research and automation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Feetech STS3215 (C001) 7.4V 19kg Serial Bus Servo\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e100% authentic.\u003c\/p\u003e","brand":"Feetech","offers":[{"title":"Default Title","offer_id":50466614608129,"sku":"TD-STS3215-C001","price":2700.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/feetech-sts3215-serial-bus-servo-motor.webp?v=1791193730","url":"https:\/\/techdepot.in\/products\/feetech-sts3215-c001-7-4v-19kg-cm-serial-bus-servo-motor-1-345-metal-gear-dual-axis-ttl-360-magnetic-encoder","provider":"Tech Depot India","version":"1.0","type":"link"}