Uploaded February 2023 | Updated September 2026, 2 weeks ago

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Power monitor station using PIC18F46K22 microcontroller and Nokia 5110 LCD. Circuit diagram and C code at:
simple-circuit.com/pic18f46k22-mcu-power-meter-monitor-station-lcd

Main hardware used:
PIC18F46K22 microcontroller
Nokia 5110 LCD screen
Current-type voltage transformer 2mA/2mA
Current transformer with turns ratio 1000:1
ADG609 analog multiplexer
OPA2191 op amp
MCP6V02 op amp
MCP1501-20 voltage reference
TPS60403 charge pump voltage inverter
AMS1117-3.3 LDO voltage regulator
BAT54S dual serial small signal Schottky diode
SMBJ3.3CA TVS diode
Some resistors, capacitors, ferrite beads ...
PIC MCU programmer (PICkit 3, PICkit 4 ...)