Breadboard Frequency Counter
a breadboard friendly frequency counter.
Design Documents
Schematic Diagram | schematic_J201_breadboard_frequency_counter.pdf |
Bill of Materials | Breadboard Frequency Counter BOM.pdf |
PCB Gerbers | gerbers_J201_breadboard_frequency_counter.zip |
Source Code | code_J201_breadboard_frequency_counter.zip |
Specifications
Power Requirement | 3.3V to 5.0V, 150mA maximum |
Input | CMOS Logic Level |
Bandwidth | 1 Hz to 50 MHz |
Automatic Ranges | 0-999 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) NC | Not Connected |
4) GND 5) GND 6) GND | Logic ground, connect to any ground pin |
7) NC | Not 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.