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Drawing: PiR2A2DrawA05.odg
Date: 2020Fjun18
By: D@CC.com
L
S
SCL
3V3
SDA
GPIO27
GPIO17
3v3
1
3
5
7
9
11
13
redLED
digIn0
digOut0
CdS
photo
cell
Close “J1 heat”
jumper here
to enable >
optional heat
Resistor.
GND
GPIO04
Note 1: GPIO signal name is to the right of pin #.
Note 2: pushButton applies 3v3 High to digIn0.
Note 3: Pins are female below and male above.
Note 4: 5v is available on GPIO pin 2.
Note 5: square wave is possible from GPIO11.
(pins are .1 inch c-c )
GPIO22
15
17
23
pushButton
fut11
anlgOut
L
S
whiteLED
5 v
5 v src
anlgOut src
GPIO11
+A1 aTemp
-
+A2 aVolts
-
+A3 aLight
-
G T V
anlgIn
anlgIn src
GND blk
3V3 red
SDA whi
SCL yel
TMP36
top view
GROVE
connector
(back view)
R2: 1k0
R7: 10k0
R6: 1k0
R3: 330
R4: 1k0
R8: 330
R1: 10
R5: 100
INA3221
Pi GPIO pins
PiR2A2 Schematic Diagram
3V3
The white LED is only sensed LOW when the PiR2A2 is present (if the internal pull-up resister is enabled by software).
3V3
GND