Summary of WATT, CURRENT METER CIRCUIT PIC16F88 RPM SENSOR
This article describes a PIC16F88-based wattmeter and current meter circuit featuring RPM measurement capabilities. The system supports voltage ranges from 3.6 to 25 Volts, measuring up to 51 Amps and 999 Watts, with an RPM range of 2000–65000 for 2–6 blade propellers. It includes an LCD display assembly, software in ASM/HEX formats, and Eagle PCB drawings.
Parts used in the Wattmeter and Current Meter Circuit:
- PIC16F88 Microcontroller
- ICL7660 Integrated Circuit
- MCP6022 Integrated Circuit
- LM358 Operational Amplifier
- 2x16 LCD Display Assembly
- Eagle PCB Drawing
- ASM Software
- HEX Software
- RPM Sensor Module
- Hold Button
Other integrated circuits based on measurement of pic 16f88 share the ICL7660 and MCP6022 until I switched the engine RPM measurement is used in the section added source 🙂 lcd display assembly için2x16 asm, hex software and had eagle… Electronics Projects, Watt, Current Meter Circuit PIC16F88 RPM Sensor “microchip projects, microcontroller projects, pic16f88 projects,
Other integrated circuits based on measurement of pic 16f88 share the ICL7660 and MCP6022 until I switched the engine RPM measurement is used in the section added source 🙂 lcd display assembly için2x16 asm, hex software and had eagle pcb drawing
RPM Module LM358 on the main circuit board in a simple circuit can be added as an additional module
- 3.6 to 25 Volts
- 0 to 51 Amps
- 0 to 999 Watts
- 2000~65000rpm, 2~6 blades
- Hold button
WATTMETER CIRCUIT
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Source: WATT, CURRENT METER CIRCUIT PIC16F88 RPM SENSOR
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What microcontroller is used in this project?
The project uses the PIC16F88 microcontroller. -
Can I measure engine RPM with this circuit?
Yes, it measures RPM from 2000 to 65000 for propellers with 2 to 6 blades. -
What is the maximum current this meter can measure?
The circuit can measure currents up to 51 Amps. -
Which integrated circuits share measurements with the PIC16F88?
The ICL7660 and MCP6022 are used alongside the PIC16F88. -
What voltage range does the device support?
The system operates within a voltage range of 3.6 to 25 Volts. -
How do I view the data on the device?
Data is displayed on a 2x16 LCD assembly. -
Is there a way to freeze the reading on the display?
Yes, a hold button is included to freeze the reading. -
What software formats are available for the project?
ASM and HEX software files are provided for the LCD display assembly. -
Where can I find the PCB design files?
Eagle PCB drawing files are included in the project resources. -
Can the LM358 be added as a module?
Yes, the LM358 can be added as an additional module on the main circuit board.

