Відео

Sorry for the late reply. I'm not sure if you mean the coil burned out or the ESC burned out, but without a resistor, it would be 3.9V / 7Ω = 0.557A (557mA), which should be suitable for the ESC's 5V/1A. However, 1A is the maximum value, and for continuous use, it’s recommended to set the maximum at 70-80%. You should also pay attention to the coil. If a large current continuously flows without interruption depending on the coil's thickness, the coil may burn out. This actuator is designed for operations lasting a few seconds. It is recommended to cut off the current within a few seconds after the operation is performed.

Thank you for reply, not the coil but I used a servo board (3.7g) and burned it coz I didnt measure current usage of the coil and thought it should not use much of it but it was. So do you know how can I build a servo driver from scratch ? For micro build I wanna build a servo driver and use it with coil actuator.

please ask me. In fact, the important explanation is enough. I don't know what you don't know. and you can turn down the sound.

The circuit is the Micro DC brushed motor driver, which has a few features - cheap, bidirectional forward/reverse running in 5v, 1A. Search in the internet with keywords "DC brushed motor speed contorller". usually the price is approximately between about $1 or less.

Thanks a lot!