Page 77 - Robots Androids and Animatrons : 12 Incredible Projects You Can Build
P. 77
+ SW1 SW2 + SW1 SW2
+ –
m – m
SW3 SW4 SW3 SW4
(a) (b)
SW1 SW2
+
– +
– m
H-Bridge Function SW4
SW3
(c)
4.16 H-bridge using switches
56
Vcc Vcc
T1 T2
m
T3 T4
4.17 H-bridge using transistors
Team LRN
Chapter four