Hardware Reference
In-Depth Information
a2/
16
a1/
15
-
a0/
+
14
B
G
LiPo 3.7V
3
11
5
10
9
6
Conductive fabric
contact points
Figure 10-19
The mobile datalogger circuit. The contacts for the
sensor are conductive fabric.
AREF
GND
D13
D12
D11/PWM
D10/PWM
D9/PWM
D8
Reset
+3.3V
Figure 10-20
The mobile datalogger circuit schematic.
+5V
Gnd
Gnd
Vin
Pin 11 is
acting as voltage
for sensor
To Battery Ground
To Battery +3.7V
Arduino
Module
D7
D6/PWM
D5/PWM
D4
D3/PWM
D2
Digital1/TX
Digital0/RX
Analog0
A1
A2
A3
A4
A5
Pin A1 is
acting as ground
for sensor
270K
NOTE: When you're using Lithium Polymer batteries
in your project, get a USB charger for them.
Adafruit's USB LiIon/LiPoly charger (ID: 259) or
Spark Fun's LiPo Charger Basic - Micro-USB (sku:
PRT-10217) work well.
RTS
RX
TX
Vcc
CTS
Gnd
Bluetooth Mate
Module
+5V
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