{"product_id":"hglrc-specter-90a-single-esc-high-performance-professional-esc","title":"HGLRC SPECTER 90A Single ESC High-Performance Professional ESC, BLHeli_32 Telemetry, 2-8S, STM32G071","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe HGLRC SPECTER 90A single ESC is a high-performance professional ESC designed for high-current multirotor power systems. It uses a double-sided fully wrapped CNC shell for heat dissipation and protection, supports BLHeli_32 ESC telemetry for real-time monitoring, and runs on an STM32G071 MCU with operating frequency up to 64MHz.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDouble-sided fully wrapped CNC shell for efficient heat dissipation and isolation from debris\/foreign matter\u003c\/li\u003e\n\u003cli\u003eDual MOS parallel solution (12 high-quality MOS tubes in one channel)\u003c\/li\u003e\n\u003cli\u003eContinuous current: 90A; peak (instantaneous) current: 100A\u003c\/li\u003e\n\u003cli\u003eSupports BLHeli_32 ESC telemetry for real-time monitoring (temperature, current, motor speed and other parameters)\u003c\/li\u003e\n\u003cli\u003eMCU: STM32G071 (G071), operating frequency up to 64MHz\u003c\/li\u003e\n\u003cli\u003eSupports multiple drive signals: Dshot150 \/ Dshot300 \/ Dshot600, Oneshot, Multishot, PWM\u003c\/li\u003e\n\u003cli\u003eTemperature protection: Supported\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInterface definition (as labeled)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBAT: positive pole\u003c\/li\u003e\n\u003cli\u003eGND: negative pole\u003c\/li\u003e\n\u003cli\u003eTX: ESC telemetry feedback (connected to flight control RX)\u003c\/li\u003e\n\u003cli\u003ePWM: connected to flight control motor output signal or PWM signal\u003c\/li\u003e\n\u003cli\u003eMotor connection: connected to three pins of motor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eName\u003c\/td\u003e\n\u003ctd\u003eHGLRC Specter 90A ESC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eHGLRC SPECTER 90A single ESC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame size\u003c\/td\u003e\n\u003ctd\u003e39mm*19.6mm*8.34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e13.9g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware version\u003c\/td\u003e\n\u003ctd\u003e32.9 BLHeli_32 (BLheli32 32.9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU\u003c\/td\u003e\n\u003ctd\u003eSTM32G071\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous current\u003c\/td\u003e\n\u003ctd\u003e90A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstantaneous (peak) current\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking\/Input voltage\u003c\/td\u003e\n\u003ctd\u003e2-8S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBEC\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature protection\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESC telemetry\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive signal support\u003c\/td\u003e\n\u003ctd\u003eDshot150, Dshot300, Dshot600, Oneshot, Multishot, PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHGLRC SPECTER 90A ESC\u003c\/li\u003e\n\u003cli\u003e50V 470UF solid capacitor\u003c\/li\u003e\n\u003cli\u003eRed heat shrink tubing\u003c\/li\u003e\n\u003cli\u003eBlack heat shrink tubing\u003c\/li\u003e\n\u003cli\u003eBlack 12AWG power cord, 20cm\u003c\/li\u003e\n\u003cli\u003eBlack\/green\/yellow 30AWG silicone wire, 20cm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-current multirotor builds requiring a single ESC per motor\u003c\/li\u003e\n\u003cli\u003eESC telemetry builds using BLHeli_32 telemetry feedback (TX to flight controller RX)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor installation or pre-sale compatibility questions, contact support at https:\/\/rcdrone.top\/ or support@rcdrone.top.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"HGLRC SPECTER 90A Single ESC with double-sided fully wrapped CNC shell for cooling and protection\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HGLRC-SPECTER-90A-single-ESC-High-performance-professional.png?v=1778946335\"\u003e\u003cp\u003eThe double-sided, fully wrapped CNC shell helps dissipate heat under high current while shielding the electronics from debris.\u003c\/p\u003e\n\u003cimg alt=\"Close-up of ESC internals and shell highlighting dual MOS parallel layout and BLHeli_32 telemetry support\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HGLRC-SPECTER-90A-single-ESC-High-performance-professional_64e9c3a5-61fa-4741-9612-c18c154a11b1.png?v=1778946343\"\u003e\u003cp\u003eDual MOS parallel design is built for high-current builds, with BLHeli_32 telemetry support for real-time status feedback.\u003c\/p\u003e\n\u003cimg alt=\"Drive signal compatibility graphic listing DShot150\/300\/600, Oneshot, Multishot and PWM plus STM32G071 MCU\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HGLRC-SPECTER-90A-single-ESC-High-performance-professional_8bfb492d-50e6-4bf2-bc40-fe872a66310f.png?v=1778946353\"\u003e\u003cp\u003eBroad signal compatibility (DShot, Oneshot, Multishot, PWM) pairs with an STM32G071 MCU for responsive control.\u003c\/p\u003e\n\u003cimg alt=\"HGLRC distribution board close-up showing GH1.25 connector and selectable 12V or BAT flight controller input pads\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HGLRC-SPECTER-90A-single-ESC-High-performance-professional_9fd5713e-d4a9-4117-a4bf-262a20cdae29.png?v=1778946363\"\u003e\u003cp\u003ePairing with an HGLRC distribution board can simplify wiring via a GH1.25 interface and selectable 12V\/BAT input (board not included).\u003c\/p\u003e\n\u003cimg alt=\"HGLRC 90A ESC interface definition with labeled BAT, GND, PWM and TX pads plus motor pad group\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HGLRC-SPECTER-90A-single-ESC-High-performance-professional_996d08e6-d84d-4b5b-8f2a-01471e272619.png?v=1778946369\"\u003e\u003cimg alt=\"Wiring diagram for single ESC to flight controller and motor with labeled BAT, GND, PWM and TX telemetry connection\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HGLRC-SPECTER-90A-single-ESC-High-performance-professional_23df1e53-fea3-46e3-a0b7-1e59471e51e2.png?v=1778946379\"\u003e\u003cp\u003eA straightforward wiring layout connects BAT\/GND for power, PWM for motor signal, and TX for ESC telemetry back to the flight controller.\u003c\/p\u003e\n\u003cimg alt=\"ESC size and weight chart showing 39 x 19.6 x 8.34 mm dimensions and 13.9 g weight, plus related board parameters\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HGLRC-SPECTER-90A-single-ESC-High-performance-professional_ae04da44-140d-4ac4-8042-90b77b7d27be.png?v=1778946385\"\u003e\u003cp\u003eCompact 39 × 19.6 × 8.34 mm footprint and 13.9 g weight make it easier to fit into space-constrained multirotor arms.\u003c\/p\u003e\n\u003cimg alt=\"Parts layout showing single ESC and accessories including capacitor, heat shrink, power leads, signal wire harness and stickers\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/HGLRC-SPECTER-90A-single-ESC-High-performance-professional_c4423102-1792-4a77-bce8-f0091ab10640.png?v=1778946391\"\u003e\n\u003c\/div\u003e","brand":"HGLRC","offers":[{"title":"90A single ESC","offer_id":52617059598560,"sku":"C.DZ.02.00030-1","price":55.39,"currency_code":"USD","in_stock":true},{"title":"12S distribution board","offer_id":52617059631328,"sku":"C.DZ.02.00030-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"12S distribution boardV2","offer_id":52617059664096,"sku":"C.DZ.02.00030-3","price":30.19,"currency_code":"USD","in_stock":true},{"title":"90A single ESC- US warehouse","offer_id":52617059696864,"sku":"C.DZ.02.00030-4","price":55.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/hglrc-specter-90a-single-esc-high-performance-professional-esc-244626.jpg?v=1778587967","url":"https:\/\/rcdrone.top\/sw\/products\/hglrc-specter-90a-single-esc-high-performance-professional-esc","provider":"RCDrone","version":"1.0","type":"link"}