High-pass filters can be implemented by passive RC and active KRC circuits. The cutoff frequency is 0.1Hz. Figure 1 is a passive RC circuit with a design follower connected to it. Figure 2 is a high-p
When using the Flashof BlueNRG-1/2 to store application data, you may encounter problems such as no Bluetooth signal or freezing.
Because the interrupt will be turned off for about 20 ms during the er