The motor runs at half the speed

Other Hardware Motors, Mechanics, Power and CNC
4

raschemmel:
Post your code

chThr = pulseIn(pinchThr, HIGH) // READ RC PULSE FROM PIN pinchThr;
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// MAP IT FROM 1000,2000 TO -255,255 (1000,2000 MAY VARY AFTER CALIBRATION)
pwm_M1 = map(chThr,minPulseWidthThr,maxPulseWidthThr,-minMaxPWM,minMaxPWM);

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// SEND PULSE TO ENABLE PIN IN A L293B
analogWrite(pinpwm_M1,abs(pwm_M1))