Element14 mi:node - Inputs; A) Analog In;Pwm

User Manual V3.1
Element14 | element14.com/minode 6
E-Brick Connector Pin-Out:
Pin No.
(Cable Color)
Pin Name
Description
1
(Yellow)
Signal #1
This is a communication pin. It allows you to connect to the
analog input, digital input/output, and the I2C functionality
of the micro:bit so that you can read from and control your
mi:node sensor modules.
2
(White)
Signal #2
This pin is a duplicate of Pin No. 1 described above.
Note: Usually only one communication pin is required for
most sensors.
3
(Red)
Vcc
Power connection.
4
(Black)
Gnd
Ground connection.
Table 2.2 – E-Brick Connector Pin-Out
2.3 Inputs
There are 3 different data transfer types between the E-Brick Connectors on the mi:node
Connector Board.
Image 2.3 – mi:node Connector Board 2
a) Analog In/PWM (Pulse Width Modulation)
Pulse Width Modulation (PWM) is a technique used to encode a message into a pulsing
signal. Its main use is to allow the control of the power supplied to electrical devices, such
as motors.