The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

boot_format is a tool to write SD bootable images to a filesystem and build SD/SPI images to a binary file for writing later. When booting from an SD card/MMC, boot_format puts the configuration file ...

static void * fs_open(lv_fs_drv_t * drv, const char * path, lv_fs_mode_t mode); static lv_fs_res_t fs_close(lv_fs_drv_t * drv, void * file_p); static lv_fs_res_t fs ...

We use WhatsApp almost every day so much that it has become an unavoidable part of our routine. From a simple “good morning” ...