This email counter directly on t-shirt is designed using Bluetooth dongle and Arduino Lilypad along with a few LEDs and/or additional modules. This t-shirt was made to display how much unread email is ...

Making a microcontroller perform as a frequency counter is a relatively straightforward task involving the measurement of the time period during which a number of pulses are counted. The maximum ...

Computer engineer Thiery Guennou based in France has created a new Arduino compatible precision frequency counter 5 or 120 MHz. The inspiration behind the Arduino board was to build an open, very ...