What is the maximum frequency deviation specified in the ZigBee protocol?
For example, in a certain channel, the center frequency is 2.45G. When sending 0, the frequency is 2.4495G, and when sending 1...
As shown in the picture, this is the humidity sensor module I made myself. When I connected the 5V power supply, the LM393 was very hot. Why is this? How to solve it? Can the experts help me?...
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The numbers and contents displayed on the LCD are all fine, but the numbers are jittering. The frequency of the jittering is low, about 5 times per second. Could you please tell me how to solve this p...