![]() The my current code is below, any help would be much appreciated. I would think my interrupt is fast enough at 8Khz, so I feel there is something else prohibiting the actuator from stopping at a specific value between the max and min. But if I set the interrupt to stop the motor when the potentiometer reads the minimum or maximum (where the actuator is currently located before activation), the actuator correctly doesn't extract or retract. Interrupt Flag can be cleared by writing a logic one to the flag bit position(s) to be cleared. For example, if I set the interrupt to stop the motor when the potentiometer reads "50", it just skips past this number without stopping the actuator. the Interrupt Flag will be set and remembered until the interrupt is enabled, or the flag is cleared by software (interrupt cancelled). My interrupt seems not to work while the actuator is in motion. I'm entering numbers via the serial monitor to prompt the actuator to move up or down, these numbers are being stored in the Nano's EEPROM. 9.7 The Timer/Counter2 used with interrupts to perform ADC conversions at. A timer is a hardware component of an Arduino controller that. ![]() From where its positioned, the potentiometer reads around "80" when the actuator is fully extended, and around "25" when fully retracted. The operation of the INT1 external interrupt is controller in much the same. ISR is the Interrupt Service Routine Function that provides timer interruptions in Arduino. by Khaled Magdy In this tutorial, we’ll discuss Arduino Timer Interrupts from the very basic concepts all the way to implementing Arduino Timer interrupts systems. The actuator extends/retracts via a L298N module being controlled by a Nano. I basically have the wiper of a linear potentiometer connected to the end of a linear actuator. I'm having difficultly using an internal timer interrupt with my Arduino Nano to properly capture a specific value from a linear potentiometer and then instantly stopping the actuator.
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