Connecting Seeeduino XIAO 3.3 V out to dual H-bridge driver module (L298N) with TTL compatible inputs The H-bridge module uses TTL compatible logic, but the chip allows these values (based on the L298N data sheet):




Symbol
Parameter
Min.
Max.




ViL
Input Low Voltage (pin 5, 7, 10, and 12)
-0.3 V
1.5 V


ViH
Input High Voltage (pin 5, 7, 10, and 12)
2.3 V
VSS




Am I correct to assume that I do not need to step-up the logic signal (from 3.3 V to 5 V) for this to work, but can I connect straight to the input?
Schematic in mind:
Am I correct to assume that I do not need to step-up the logic signal (from 3.3V to 5V) for this to work, but can connect straight to the input?

You are correct. The input has to be above 2.3V to register as HIGH and below 1.5V to register as LOW. You have 3.3V for HIGH and near 0V for LOW, which fits those criteria perfectly.