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.

Arduino precision frequency counter 5 or 120 MHz hits Kickstarter. 10:45 am December 1, ... This is not the newest ATMEL model but this chip is standard on Arduino UNO v3.0 board.

The board has been tested with an Arduino Uno. It can measure frequencies from less than 5Hz to above 70MHz. Low frequency signals (LF), high frequency signals (HF) and very high frequency signals ...

Both the Arduino Nano and Uno can be powered via their integrated USB connectors. This automatically supplies regulated 5V power to the board, allowing you to use any USB-supported power source ...

The Arduino UNO R4 Minima and the Arduino UNO R4 WiFi. But apart from the obvious wireless connectivity hinted by the name what other differences do the microcontrollers have.

The Uno Rev3, is a great beginner board as it's included in many starter kits. It's also complemented with a host of online resources that even without the official Projects Book from Arduino, you ...