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Results tagged with microcontroller
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user 17815
A device which includes a central processing unit (CPU), memory, and (generally) an assortment of I/O peripherals (UART, ADC, DAC, general-purpose I/O, I2C, etc.) in a tightly-coupled standalone package.
2
votes
How can I measure the RPM of a Frisbee?
Search for "Frisbee Cam". They used a vane to keep the camera from rotating. The same idea could be used to hold an optical senor from turning so it could count marks going by to measure rpm.
- 380
2
votes
2
answers
10k
views
Max Distance for 5V serial communications
I have an application where two different microcontrollers need to communicate. I was thinking that for simplicity, just use 5V instead of converting to RS232 levels. What in good practice would the m …
- 380
4
votes
Is there an ideal PWM frequency for DC brush motors?
Sometimes its desirable to stay above the audible frequency (20 kHz) if the motor and driver supports it. If its were a person can hear it, a constant high pitched frequency can be annoying. Younger p …
- 380