Ho is high power level, Lo is low level, conversely Ho is low power level, Lo is high level; The IR2104 chip is simpler to control than the L298N chip, and the power tube of the half-bridge circuit is independent, and the adaptability is greater.
BYPASS 3.VDD (power positive) 7.Vo1 (Output 1) 6: SD is the standby shutdown pin. Function:.-in (negative input) 5.GND (ground) 8.SHOTDOWN (down) 2: IN (positive input) 4, the power amplifier can work normally.