1. This time, Lierda's CC3200 module is used. The CC3200 main clock is 80M. There is no internal flash and an external SPI Flash must be connected. This test uses Lierda Technology's CC3200 baseboard
[i=s]This post was last edited by btty038 on 2021-12-23 11:47[/i]In the actual use of op amps, in order to maintain the frequency characteristics of the op amps, we generally use dual power supplies.
In a 24V system, I use PMOS as a switch, and occasionally the PMOS will be damaged.
I originally thought it was an accident, but later found out it was a design problem.
This is the circuit diagram of
The oximeter is a common portable medical electronic product. It is not big in size and has few functions, so it is not difficult to develop. However, although it is small, it has all the necessary fu