drbd源文件，热备使用，与heartbeat配合使用，drbd源文件，热备使用，与heartbeat配合使用-DRBD source file, use hot standby, and heartbeat, DRBD source file, use hot standby, used with the heartbeat

ECG data base file. This file is from MIT ECG data base to calculate the heartbeat using matlab.

stateless, but QGroundControl tracks if a system is alive using the heartbeat message. Therefore make sure to send a heartbeat every 60, 30, 10 or 1 second (1 Hz is recommended, but not required). A system will only be considered connected (and the v

linux leds driver. pwm, heartbeat