User Manual
Lesson 29 DC Motors
Overview
In this lesson, you will learn how to control a small DC motor using an MEGA2560 R3 and a transistor.
Component Required:
(1) x Elegoo Mega2560 R3
(1) x 830 tie-points breadboard
(1) x L293D IC
(1) x Fan blade and 3-6v motor
(5) x M-M wires (Male to Male jumper wires)
(1) x Power Supply Module
(1) x 9V1A adapter
Component Introduction
B
re
adboa
r
d
P
o
wer
Supply
Th
e
small DC mo
t
o
r
is li
ke
ly
t
o us
e
m
o
re
po
wer
t
han an ME
GA2560
R
3
boa
r
d di
g
i
ta
l outpu
t
c
an
handl
e
di
rec
tl
y
.
I
f
we
tr
i
e
d to
c
on
nect
the
m
oto
r
s
tr
ai
g
ht to an ME
GA2560
R
3
board pin
,
t
h
ere
is a
g
ood
c
hanc
e
tha
t
i
t
c
ould da
m
a
ge
the ME
GA2560
R
3
board. So
we
us
e
a po
wer
suppl
y
m
odul
e
pro
v
i
de
s po
wer
suppl
y
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