K115 Digital clock and thermometer

Introduction In this tutorial I am going to show you how to make a digital clock with led display of 2.3 inches as well as a temperature display. The clock is one of the most usual devices at home or in the office and a DIY (Do It Yourself) construction will be useful not to […]

K110 mini weather station

In this project, we are building a board for measuring the temperature, the humidity and the atmospheric pressure with the help of the Arduino nano platform. We measure temperature and atmospheric pressure with the BMP280 sensor, and humidity with the DHT22 sensor. The indications are displaying at nine 7-segments digits. Project description The DHT22 is […]

K105 Digital clock with digital gates

A clock plays a central role in our life, we use the time to plan everything that affects our lives, from work to entertainment. In this project we are building another kind of clock, with simple integrated circuits, which will be very useful hanging on a wall of our house or our office. The clock […]

K100 Electronic little heart

The electronic little heart that we present here is a nice construction of visual effects, easy to construct, which can be given as a gift. It consists of 22 bright red LEDs arranged in heart shape, which are flashing in different combinations giving a pleasant visual effect. Description The circuit of our construction is based […]