cmb said:
zrex said:can u explain what do you mean by choosing the frequency? actually i have watch a lot of videos about the wireless charging by using inductive coil and one thing that I am not clear is what kind of power supply that we need to use? either AC or DC?
Wireless charging uses electromagnetic induction to transfer energy between two objects. A transmitter coil in the charger creates an oscillating magnetic field, which induces a current in the receiver coil located in the device being charged. This current is then converted into DC power to charge the device's battery.
The efficiency of wireless charging can be affected by a number of factors, including the distance between the transmitter and receiver coils, the materials used in the coils, and the alignment of the coils. Other factors such as temperature, interference, and the quality of the charger and device can also impact efficiency.
To maximize efficiency, it is important to use a charger and device that are compatible with each other. It is also recommended to keep the distance between the coils as short as possible and ensure that the coils are properly aligned. Additionally, using high-quality materials and minimizing interference can also help improve efficiency.
There is currently no evidence to suggest that wireless charging poses any significant health risks. The levels of electromagnetic radiation emitted by wireless chargers are well below the safety limits set by regulatory agencies. However, as with any electronic device, it is important to use wireless chargers according to the manufacturer's instructions.
Yes, you can use your device while it is wirelessly charging. However, it is recommended to avoid moving the device too much as this can disrupt the alignment of the coils and reduce charging efficiency. It is also important to note that using certain features, such as GPS or intensive apps, may slow down the charging process.