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Explore the Challenges

The Challenge: Make a Transmitter and Receiver



What message are we going to send?

Now that we have a simple spark gap transmitter and a simple radio we can send signals from one to the other. We chose Morse code to send our message.

Here is the Morse code alphabet.

A
B
C
D
E
F
G
H
I
J

* -
- * * *
- * - *
- * *
*
* * - *
- - *
* * * *
* *
* - - -
  K
L
M
N
O
P
Q
R
S
T
- * -
* - * *
- -
- *
- - -
* - - *
- - * -
* - *
* * *
-
  U
V
W
X
Y
Z

Period
Comma
Question
* * -
* * * -
* - -
- * * -
- * - -
- - * *

* - * - * -
- - * * - -
* * - - * *
  1
2
3
4
5
6
7
8
9
0

* - - - -
* * - - -
* * * - -
* * * * -
* * * * *
- * * * *
- - * * *
- - - * *
- - - - *
- - - - -