Thanks for the deeper explanation. In the full scetch I use a MPU9250 for Acceleration Data, it has a FIFO Buffer of 512 Byte, I could try to put another buffer inbetween. But i need the high sample rate of 500Hz for the whole time of the measurement. How would i write in RAW? It is FAT formatted, c...

Hello, I'm using the ESP32 to log some Sensordata with relatively high throughput (3*16bit at 500Hz), but i have the problem, that the SD Card Speed is not constant over the whole time and I lose some data every now and then. The fluctuation occurs every 5-10 minutes and holds for a few seconds. dur...