Summary of 15A MOTOR SPEED CONTROL CIRCUIT ATTINY45 PWM
This article describes a 15A motor speed control circuit utilizing an ATtiny45 microcontroller. The system generates PWM signals at 1.8 kHz to regulate motor speed. Electrical isolation is achieved using a PC817 optocoupler, while power switching is handled by BS170 and IRLZ34 MOSFETs. Power regulation is provided by an LM2940CT5 or 7805 voltage regulator. The project includes source code for Bascom and PCB design drawings.
Parts used in the 15A Motor Speed Control Circuit:
- ATtiny45 microcontroller
- PC817 optocoupler
- BS170 MOSFET
- IRLZ34 MOSFET
- LM2940CT5 voltage regulator
- 7805 voltage regulator
Used in motor speed control circuit microcontroller atmel attiny45p exit number 5 Kubla connected to pin opto pc817 pc817 output while the engine is controlled as isolated MOSFETs have bs170 and irlz34 Attiny45 Pb4… Electronics Projects, 15A Motor Speed Control Circuit Attiny45 PWM “avr project, microcontroller projects, pwm circuits, “
Used in motor speed control circuit microcontroller atmel attiny45p exit number 5 Kubla connected to pin opto pc817 pc817 output while the engine is controlled as isolated MOSFETs have bs170 and irlz34 Attiny45 Pb4 leg control signal number 3 is entered. Circuit driven by motors up to 15 amps. MOSFETs are driven by PWM method pwn frequency 1.8 kHz
Attiny45 LM2940CT5 regulator used to supply PWM motor control Attiny45 value you can use the 7805 Bascom project’s source code schema, and PCBs have drawings
Source: rc-schottel.ch Dosyalar: 15a-motor-speed-control-circuit-attiny45-pwm.rar
- What is the maximum current this circuit can drive?
The circuit drives motors up to 15 amps. - How are the MOSFETs driven?
MOSFETs are driven by the PWM method with a frequency of 1.8 kHz. - Which microcontroller is used in this project?
The project uses an Atmel ATtiny45 microcontroller. - How is electrical isolation achieved in the circuit?
Isolation is achieved using a PC817 optocoupler connected to pin 5 of the microcontroller. - What components are used for voltage regulation?
An LM2940CT5 regulator or a 7805 regulator can be used to supply the circuit. - Where can the source code for this project be found?
Bascom project source code is available for download.