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Kse.1
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2021-08-02
2023-06-14
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using stm32f051 disco+ lcd2004 I2C connection, Between 30min~3 hours after booting, lcd has no indication on the screen or letters, but the indication does not change (count No) Which part is good to look at? Is there any particular problem with lcd?
2021-08-02
#include "i2c-lcd.h" extern I2C_HandleTypeDef hi2c1; // change your handler here accordingly #define SLAVE_ADDRESS_LCD 0x4E // change this according to ur setup long ErrCnt_ERR=0; long ErrCnt_Tout=0; long ErrCnt_Busy=0; HAL_St...
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