Motor Control
H-Bridge for Bi-direction
Relays
Relay “Poles” and “Throws”
1. Relay H-Bridge
How to make an H-Bridge with ONE relay?
Transistors
2. Transistor H-Bridge
3. H-Bridge ICs
L293 Function Table
Motor Driver Design Considerations Noise In-rush Current Over-heating Power Source (Single / Dual Supply)
Noise Protection Techniques Coupling Capacitor Clamp Diodes
Noise Protection Techniques (cont) Opto-Isolator 5V
In-rush Current
In-rush Current (cont) Resistor Current Limiter
Over Heating Heat Sink
Dual Power Supply