2N2222
2N2222
Quantity
Name
1
9VDC
1
2
Motor 1 - Motor 2
2
L1 - L2
2
L3 - L4
U3
1
1
Base U3
U4
1
Base U4
1
4
R1 - R4
1
R7
2
R10, 11
1
RV1
Q1, Q2
2
1
V+GND M1
1
PCB
p art list
L2
L4
+
Q2
+
U4
+
Q1
L3
+
L1
Line follower
card
LINE FOLL O WER CARD
D1
560
10 k
1 K
R4
RV1
U3
R3
D1
9V DC V+
Description
9 V battery clip
Zener diode
2-pin header 1 space
5mm green LED
Red 5mm LED
Operational Amplifier LM358N
8-pin base
CI NAND D409313B
14-pin base
green - blue - brown resistance
brown - black - orange resistance
brown - black - red resistance
Pootentiometer 1k
Transistor NPN MPS2222A
1AR 4 pins in L header
Plate PCB
GND
3