The schematic diagram is as above: A1 connects to the SDA of the 3.3V MCU, and B1 connects to the SDA of the 5V MCU
Sometimes when A1 is at a low level, the S level of NMOS still has 1.5V.
But if R17 ...
//**************************************//I2C start signal//******************************************void I2C_Start(){SDAOUT; //Data line is set to output directionSDA1; //Pull up the data lineSCL_OU...
[i=s]This post was last edited by cruelfox on 2019-5-4 22:57[/i] The STM32WB55 is a dual-core MCU with wireless capabilities that I have heard about for a long time. It has been in the "STM32 Selectio...
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Recently,
ZF
announced that its production of electronic parking brakes (EPB) has exceeded 250 million.
Image source: ZF
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