User Activity

Code isn't complex, hence i don't understand what could be the problem.char pin_status;pin_status=HAL_GPIO_ReadPin(SENSOR_H1_GPIO_Port,SENSOR_H1_Pin);
Hello all,I'm trying to use STM32 bluepill with OLED SSD1306 128x32 to display characters.I've tried many many libraries but no luck. The screen remains blank. No response. But the same screen works with arduino. So i know connections are fine, only ...
Im trying to use ST7920 GLCD with STM32F401RE with I2C connection, im still new with programming so im trying to find a library when using I2C, most videos and libraries i found are for SPI connections.if anyone has a library pls help thank you