With this console app, you can get the readings from the Arduino to the DB by using the serial port, so there is no Wi-Fi, Ethernet or Bluetooth module/shield needed. You only need an Arduino, a cable ...

So [Todd] has set out to build an Arduino frequency counter for a Kenwood TS-520S HF ham radio. This post (and the video found after the break) doesn’t cover the entire project.

This project is an Arduino-based digital counter that utilizes interrupts to count digital events or pulses. It provides an efficient and accurate method for counting external signals without the need ...

Computer engineer Thiery Guennou based in France has created a new Arduino compatible precision frequency counter 5 or 120 MHz. The inspiration behind the ...