{"product_id":"micro-servo-tester-sg90-mg90s-sg92r-4-8-6v-pwm-signal-generator-arduino-rc","title":"Micro Servo Tester — SG90 \/ MG90S \/ SG92R, 4.8–6V, PWM Signal Generator, Arduino \u0026 RC","description":"\u003ch2\u003eMicro Servo Tester — SG90 \/ MG90S \/ SG92R, PWM Signal Generator, Manual \/ Auto \/ Neutral Modes\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003emicro servo tester\u003c\/strong\u003e generates standard PWM servo signals (1–2ms pulse, 50Hz) to test and calibrate servo motors without a microcontroller or RC receiver. Compatible with SG90, MG90S, SG92R, and most standard hobby servos, it features three operating modes — Manual, Auto sweep, and Neutral — making it an essential bench tool for Arduino servo development, RC model setup, and robotic arm calibration.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Servos\u003c\/td\u003e\n\u003ctd\u003eSG90, MG90S, SG92R, standard hobby servos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e4.8V – 6V (servo power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Output\u003c\/td\u003e\n\u003ctd\u003e1–2ms pulse width, 50Hz frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Modes\u003c\/td\u003e\n\u003ctd\u003eManual, Auto sweep, Neutral\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eStandard 3-pin servo connector (Signal\/VCC\/GND)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eOperating Modes Explained\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual mode\u003c\/strong\u003e — turn the knob to set any servo position from 0° to 180° manually\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto sweep mode\u003c\/strong\u003e — servo automatically sweeps full range continuously for range and speed testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeutral mode\u003c\/strong\u003e — outputs fixed 1.5ms pulse to center the servo at 90° (neutral position)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose This Servo Tester?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eNo microcontroller needed\u003c\/strong\u003e — test servos directly from a battery or BEC\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3 test modes\u003c\/strong\u003e — manual, auto sweep, and neutral for comprehensive testing\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eStandard 3-pin connector\u003c\/strong\u003e — plug-and-play with SG90, MG90S, SG92R and most hobby servos\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e4.8–6V supply\u003c\/strong\u003e — powered directly from RC battery pack or BEC\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact and portable\u003c\/strong\u003e — fits in a toolbox for field use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eServo motor function and range testing\u003c\/li\u003e\n\u003cli\u003eRC model servo calibration before installation\u003c\/li\u003e\n\u003cli\u003eArduino servo project development and debugging\u003c\/li\u003e\n\u003cli\u003eServo center point (neutral) calibration\u003c\/li\u003e\n\u003cli\u003eRobotic arm servo position verification\u003c\/li\u003e\n\u003cli\u003eServo speed and torque comparison testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × Micro Servo Tester (PWM Signal Generator)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"SG90","offer_id":46991432155371,"sku":"14:10#SG90","price":8.32,"currency_code":"USD","in_stock":true},{"title":"SG90 1set","offer_id":46991432188139,"sku":"14:94#SG90 1set","price":816.0,"currency_code":"USD","in_stock":true},{"title":"MG90S","offer_id":46991432220907,"sku":"14:29#MG90S","price":8.96,"currency_code":"USD","in_stock":true},{"title":"Bracket","offer_id":46991432253675,"sku":"14:175#Bracket","price":5.96,"currency_code":"USD","in_stock":true},{"title":"MG90S 1set","offer_id":46991432286443,"sku":"14:173#MG90S 1set","price":9.0,"currency_code":"USD","in_stock":true},{"title":"SG92R","offer_id":46991432319211,"sku":"14:193#SG92R","price":9.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/smart-micro-servo-tester-sg90-mg90s-sg92r-arduino-rc-models.webp?v=1761882563","url":"https:\/\/keszoox.com\/products\/micro-servo-tester-sg90-mg90s-sg92r-4-8-6v-pwm-signal-generator-arduino-rc","provider":"Keszoox","version":"1.0","type":"link"}