I got 2 STM32F446VET7 MCU board and I am trying to communicate each other with LoRa E220-400T30S.I cannot found any usefull libraries so I am trying to write one.I can communicate with modules from UART and setting configuration parameters.Both E22 m...
Hello,I am trying write a LoRa library to STM32F446VET7 in my application.In the LoRa E220-400T30S documentation, it tells me to set the UART settings for configuration mode to 9600 and 8N1 and to give 1 to M0 - M1 pins.After doing that I am trying a...
Hello guys !I am new at the embedded systems and I am trying figure it out ! I am using STM32F446VET7.I connected my buzzer to an GPIO pin(PB12) which has no pwm speciliaties.But my buzzer is not working when I connected to the DC signal source like ...
I used STM32F446VET7 on the board I PCB printed. When I use HSI, I can debug without any problem, but when I want to use HSE, SystemClock_Config(); function enters ErrorHandler().Can you help me?
Hello everyone, I am designing a PCB and I want a power path selector which can change the source between USB and Battery.Can I do this with STMPS2141STR ? I cannot find a circuit or an application note. This is my design is that correct ? Can someb...
Hi again,adding a delay after M0 and M1 set to 1 is worked for me...Thanks for answering. Now I got a question again This is the format of set and read a register. in set register E.g.2 : C0 is the write command00 is the start address04 is the lengt...
Hi TDK.I use TİM2 for interrupt.and there is my codes : and this is worked well. I can hear my beep sound now. Thank you.One last question : Does the timer counting and interrupt generation consume CPU cycles? Can I avoid this with HAL_TIM_Base_Stop_...
