1Hz to 50Mhz Frequency Counter Module Kit with LCD display

Description

1Hz to 50Mhz Frequency Counter Module Kit with LCD display
Description:
This document describes the construction of small frequency counter with a cheap PIC microcontroller and a few seven-segment LED digits.
Frequency range 1 Hz ... 50 MHz
Five digits resolution (display for example x.xxxx kHz, x.xxxx MHz,
or xx.xxx MHz)
Measuring signal amplitude can be up to 30 v
4-40 m passive crystals can measure
Automatic range switching with different gate times
Optional addition or subtraction of a frequency offset (programmable)
Very low component count: a PIC 16F628, 5 7-segment LED displays, a 20MHz crystal and a few resistors
Optional (configurable) power-saving mode which automatically turns
If the frequency does not change significantly within 15 seconds, the display turns off
Can use USB 5V or DC5-12V power supply
Package Includes:
1x DIY kit
1 x USB Cable
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