Technology and Development

Fading/Controle de led/brilho usando Potenciômetro (Resistor Variável) e Arduino Uno

Fading/LED/brightness control using Potentiomet...

Dimming or controlling the brightness of LED using arduino uno and variable potentiometer/resistor is not a very difficult task. Arduino's predefined libraries made it very easy to fade...

Fading/LED/brightness control using Potentiomet...

Dimming or controlling the brightness of LED using arduino uno and variable potentiometer/resistor is not a very difficult task. Arduino's predefined libraries made it very easy to fade...

Relé operado por temporizador com display digital

Timer operated relay with digital display

The circuit presented here operates a relay for fixed timer interval. Thus, the device or machine connected to the relay operates at the same time. Once connected, the device automatically...

Timer operated relay with digital display

The circuit presented here operates a relay for fixed timer interval. Thus, the device or machine connected to the relay operates at the same time. Once connected, the device automatically...

Desinfetante de mãos automatizado usando Arduino

Automated hand sanitizer using Arduino

This tutorial explains how to automate a bottle of hand sanitizer. Disinfectants can be found for use in many public places (and especially recently, due to the pandemic).

Automated hand sanitizer using Arduino

This tutorial explains how to automate a bottle of hand sanitizer. Disinfectants can be found for use in many public places (and especially recently, due to the pandemic).

Transferência de energia sem fio

Wireless power transfer

The basic objective of this project is to transmit electrical energy wirelessly. Wireless power transfer (WPT) or wireless power transmission is the transmission of electrical energy from a power source...

Wireless power transfer

The basic objective of this project is to transmit electrical energy wirelessly. Wireless power transfer (WPT) or wireless power transmission is the transmission of electrical energy from a power source...

Economia de energia da caixa de ferro

Iron box energy saving

This energy saving circuit is used to save electricity during ironing. The circuit will turn off the iron box when it is not in use. As soon as the ON...

Iron box energy saving

This energy saving circuit is used to save electricity during ironing. The circuit will turn off the iron box when it is not in use. As soon as the ON...

Explicação detalhada do circuito Clipper básico

Detailed explanation of the basic Clipper circuit

Detailed explanation of the basic Clipper circuit In this article I will explain a very basic Clipper circuit using simple components. The clipping circuit is a wave shaping circuit and...

Detailed explanation of the basic Clipper circuit

Detailed explanation of the basic Clipper circuit In this article I will explain a very basic Clipper circuit using simple components. The clipping circuit is a wave shaping circuit and...