Summary of INDUCTANCE & CAPACITANCE METER PIC16F648A LCMETER
This article describes a compact, battery-powered LC meter using the PIC16F648A microcontroller. It offers ±1% accuracy with auto-ranging capabilities for capacitance (0.1pF to 1uF) and inductance (0.01uH to 100mH). The device utilizes a 2×16 LCD display and calculates values based on a 600kHz oscillation frequency formula. It employs a 2N7000 MOS FET relay for improved accuracy and operates on a 5V supply, potentially adjustable to 4V.
Parts used in the PIC16F648A LC Meter:
- PIC16F648A Microcontroller
- 2 × 16 LCD Display
- 2N7000 MOS FET Relay
- AA Battery (for 5V power)
- Floating Point Calculation Software (FP.TXT)
PIC16F648A LC meter Simply, + -1% accuracy battery powered compact LC for low power consumption does not have a meter is recommended. C measurement range is 0.1pF ~ 1uF (renewal auto range) L range is measured 0.01uH ~ 100mH… Electronics Projects, Inductance & Capacitance Meter PIC16F648A LCmeter “microchip projects, microcontroller projects, pic assembly example,
PIC16F648A LC meter Simply, + -1% accuracy battery powered compact LC for low power consumption does not have a meter is recommended. C measurement range is 0.1pF ~ 1uF (renewal auto range) L range is measured 0.01uH ~ 100mH (renewal auto range) L saw the experiment in measuring 1cm in line (0.01 uH) displays. LC meter circuit 16f648 microcontroller prepared with 2 × 16 LCD display displays the measurement value on
Simply, + -1% accuracy battery powered compact LC for low power consumption does not have a meter is recommended. C measurement range is 0.1pF ~ 1uF (renewal auto range) L range is measured 0.01uH ~ 100mH (renewal auto range) L saw the experiment in measuring 1cm in line (0.01 uH) displays. To adjust the relay is simply a move seconds. 600kHz oscillation about the CL is not measured by calculating the change in frequency as the LC and values. f = 1 / (2π √ LC) To this calculation FP.TXT above uses. (Floating point) Add a relay 1000P is a great software as required accuracy of the capacitor. (More as it comes) 2N7000 MOS FET relays instead of the hand is not able to use TR saw the making, accuracy is to move anyway. 5V is the original, 4V moves. AA has to make.
PIC16F648A LCD LC METER
LCD LC meter schematic pic assembly and hex code files:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-5080.zip
Source: INDUCTANCE & CAPACITANCE METER PIC16F648A LCMETER
- What is the measurement range for capacitance?
The C measurement range is 0.1pF to 1uF with renewal auto range. - How is the inductance measured?
L range is measured from 0.01uH to 100mH using renewal auto range. - Does the project require a separate meter?
No, it is recommended that the project does not have a separate meter as it uses an LCD display. - What is the accuracy of this LC meter?
The device provides + -1% accuracy. - How does the circuit calculate LC values?
It calculates changes in frequency at about 600kHz oscillation using the formula f = 1 / (2π √ LC). - What type of relay is used for accuracy?
A 2N7000 MOS FET relay is used instead of a hand-made TR relay to improve accuracy. - What power source is required?
The original design uses 5V, which can be moved to 4V using AA batteries. - Can small inductances be detected?
Yes, an experiment measuring 1cm in line (0.01 uH) displays correctly.
