Posted on June 29, 2013 at 13:24Is it possible to use ADC without configure GPIO for AIN? For example, if the lines below are commented in the program, can ADC still work? // GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; // GPIO_InitSt...
Posted on July 05, 2013 at 19:56You can use anyone between 100nF ~ 1uF. It can be changed with the distance and the amount the noise of enviroment. Only be carefull, MAX232 need a voltage supply of 4.5V to 5.5V and most stm32 boards are using 3.3V r...
Posted on July 04, 2013 at 22:06Looking at reference manual (RM0041) I notice that Analog input is connected before the Schmmit and without flux control. I did a simple experience putting the pin in output mode and after I tried to read the value wi...