{"product_id":"digital-servo-tester-multi-function-lcd-display-50hz-125hz-250hz","title":"Digital Servo Tester – Multi-Function LCD Display (50Hz\/125Hz\/250Hz)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Details \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3 Frequency Modes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50Hz (analog), 125Hz\/250Hz (digital servos)\u003c\/strong\u003e.\u003cbr\u003e✅\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePulse Width Control\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Adjustable\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e800-2200µs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor precise servo calibration.\u003cbr\u003e✅\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMulti-Device Testing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Sync signals for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eservos, ESCs, and motors\u003c\/strong\u003e.\u003cbr\u003e✅\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCompact \u0026amp; Lightweight\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e75x38x15mm, 26.2g\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(portable for fieldwork).\u003cbr\u003e✅\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLCD Screen\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Real-time pulse width\/frequency monitoring.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4.8V–6.0V (\u003cem\u003eNo reverse protection! Wrong polarity = damage\u003c\/em\u003e).\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eSignal Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e800–2200µs (1µs precision).\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAnalog\/digital servos, ESCs, brushless motors.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eUse Cases:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e✔ Test\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eservo jitter\/speed differences\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(e.g., robotics, RC cars).\u003cbr\u003e✔ Simulate\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etransmitter throttle inputs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor ESCs.\u003cbr\u003e✔ Calibrate\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emicro-adjustments\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(e.g., drone gimbals).\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow to Use:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003ePower On\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e→ Auto-enters\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emanual mode\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(rotate knob to adjust pulse).\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003ePress\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSelect\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto cycle modes (\u003cem\u003eNeutral\/Auto\/Manual\u003c\/em\u003e).\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003ePress\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePulse Width\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto toggle\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50Hz\/125Hz\/250Hz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e⚠\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWarnings:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eNever reverse polarity!\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(No refunds for burnt units).\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eMatch\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efrequency to servo type\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(50Hz for analog, 125Hz\/250Hz for digital).\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eMulti-Channel Servo\/ESC Signal Adapter (5-Port)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eConnection Guide:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003ePin Layout (Vertical 5-Pin Header):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eSignal (S):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYellow\/White wire (TOP position, facing upward)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003ePositive (+):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRed wire (Middle)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eNegative (-):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBlack\/Brown wire (Bottom)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eKey Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003eSignal Orientation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways insert with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esignal wires (S) facing upward\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto avoid reverse polarity.\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003eParallel Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePowers up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 servos\/ESCs simultaneously\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(shared power bus).\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003eVoltage Warning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure input voltage matches servo\/ESC specs (typically\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5V–6V\u003c\/strong\u003e).\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e⚠ Critical Safety Reminders:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003eDO NOT reverse polarity\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(red\/black wires). Damage may occur!\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003eSignal sequence matters:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMisalignment can cause erratic behavior.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003eIdeal for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emulti-servo robotics\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRC model testing\u003c\/strong\u003e, or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eESC calibration\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4441\/7982\/files\/td20e_test_with_servo_tester.webp?v=1761702580\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Buy This?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003eSave Time\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Diagnose faulty servos\/ESCs instantly.\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003eBudget-Friendly\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Cheaper than oscilloscopes for basic testing.\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003eVersatile\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Works with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRC planes, cars, robotics, and more!\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HobbyWater","offers":[{"title":"Default Title","offer_id":45081499992254,"sku":"Servo  test","price":19.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4441\/7982\/files\/RCHobbyistTestingQuadcopterESCswith5-ChannelServoControlBoard-SignalWiresFacingUpward.png?v=1746865305","url":"https:\/\/store.diamondynamics.com\/products\/digital-servo-tester-multi-function-lcd-display-50hz-125hz-250hz","provider":"HobbyWater","version":"1.0","type":"link"}