Closed loop universal motor control system using PID algorithm.
Project tutorial by Saulius Bandzevičius
FM radio built using Arduino, RDA5807M, Tiny RTC, PAM8403 class D amplifier modules, and TR028 touch panel.
Improved version of the soldering iron controller for Hakko 907 iron.
To simplify building the controller, LCD screen is implemented.
Project tutorial by Alexander
A metering instrument to measure capacitance, ESR value and frequency.
Project tutorial by alexpikkert
When drawing on web, the drawing will be sent to XY plotter to re-draw it on bigger screen.
Project tutorial by IoT_lover
The lm393 has two comparators inside. We use only one. Another comparator (U?B) is unused.
I took the zero crossing circuit from other projects I found on the net. For me it work from beginning with no problems. Try to find that's wrong in the wiring or you use bad components.
With this project - no. You should choose the controller for your kind of motor.
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