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Raspberry PI PLC (Power shield (Arduino nano (Events (DI (onBtnRun (do…
Raspberry PI PLC
Power shield
Battery
Charger
Arduino nano
Events
DI
onBtnRun
do restart >> Serial
onBtnShop
do shutdown >> Serial
onPIStatusDown
Sleep
onPISoftwareDown
DO PI Run = HIGH
Loop Interval
Read self voltage
onMainPowerUp
MakePiRun if not
onMainPowerDown
do shutdown >> Serial
Read A0
onBattLow
DO Charge = HIGH
onBattHigh
DO Charge = LOW
Serial
onWatchdogReset
resetWatchdogTimer
on12PowerDown
do shutdown >> Serial
Setup
Read self voltage
onLow
Sleep
onHigh
MakePiRun if not
DO
D12 PI Run
D10 Led Fail
D7 Battery charge
D11 Buzzer
DI
D4 Status PI Software
D6 Btn Run
D5 Btn Stop
D3 Status PI
AI
A1 Voltage Main
A0 Voltage Battery
5V Boost
Input shield
Input connectors
Software