Breadboard Frequency Counter

Breadboard Frequency Counter

Breadboard Frequency Counter
a breadboard friendly frequency counter.

Design Documents

Schematic Diagramschematic_J201_breadboard_frequency_counter.pdf
Bill of MaterialsBreadboard Frequency Counter BOM.pdf
PCB Gerbersgerbers_J201_breadboard_frequency_counter.zip
Source Codecode_J201_breadboard_frequency_counter.zip

Specifications

Power Requirement3.3V to 5.0V, 150mA maximum
InputCMOS Logic Level
Bandwidth1 Hz to 50 MHz
Automatic Ranges0-999 Hz, 1.00-999 KHz, 1.00-99.9 MHz

Operation
The Breadboard Frequency Counter PCB is designed to plug into 9 rows of a standard breadboard
picture

Breadboard Pins

1) VCC
2) VCC		Logic supply voltage, 3.3V to 5.0V,
connect to either power pin
3) NCNot Connected
4) GND
5) GND
6) GND		Logic ground,
connect to any ground pin
7) NCNot Connected
8) IN
9) IN		Signal Input,
connect to either pin

Frequency range display is automatic. The update rate is 1/2 to 1 second, depending on the input frequency.