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

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...

Drones are widely used across several fields, including aerial photography, surveying, inspection, agriculture, and ...

#define SD_MMC_CMD 40 // Please do not modify it. #define SD_MMC_CLK 38 // Please do not modify it. #define SD_MMC_D0 39 // Please do not modify it. #define SD_MMC_D1 41 // Please do not modify it.

if (!es8311_i2s.begin(I2S_MODE_STD, 44100, I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO, I2S_STD_SLOT_LEFT)) { ...