Original Hiland 1Hz-50MHz Five LED Display Frequency Counter With Frequency Oscillator Kit


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This is a Frequency Counter based on PIC microcontroller, add and subtract with crystal vibration measurement functions and programmable frequency Settings, five digital tube display, convenient and intuitive, easy to make


Measured frequency range 1 hz to 50 MHZ (1HZ to 50 MHZ)
Can measure most commonly used crystals of oscillation frequency from 4mhz to 50mHz
Five precision resolution (e.g., 0.0050 KHZ, 0.0050 MHZ, 11.059 MHZ
Automatic range switching, do not need to switch
Programmable Settings, add and subtract frequency used for measuring the transceiver and other equipment
Optional power saving mode, did not change significantly within 15 seconds if frequency display will be automatically closed
Can use generic USB interface power supply, also can use an external power supply or 9V battery
Element number less, all into components, simple installation and debugging

Here is the circuit diagram:

Package included:

1 x Frequency Counter Kit

Test photos, for reference only!

It is also possible to directly input a frequency signal between IN and G (ground) for measurement. Note that the amplitude of the measurement signal should not be higher than 5V to avoid damage the IC. The following figure shows the input 1Hz and 10KHz: