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Category: Tutorial

Analog electronics, Electronic components, Hobby, Projects, Tutorial

Sawtooth generator circuit

Pedro Ney Stroski / 2 de December de 2023

This post shows how to design a sawtooth generator circuit, or ramp, which uses a current source and the integrated circuit 555.

Electronic components, Hobby, Microcontrollers, Projects, Tutorial

Arduino with LCD Keypad

Pedro Ney Stroski / 18 de August de 2023

This post’s subject is the LCD Keypad module, which allows to control a LCD display with buttons without wires and a protoboard.

Hobby, Microcontrollers, Microelectronics, Projects, RF circuits, Tutorial, Wireless

Arduino with Bluetooth module HC-05

Pedro Ney Stroski / 26 de April de 2023

In this post, it’s shown how to control an Arduino with a smartphone using an easy method, through a Bluetooth module HC-05 or HC-06.

Analog electronics, Electronic components, Hobby, Projects, Semiconductors, Tutorial

2 common base BJT amplifier projects

Pedro Ney Stroski / 28 de January de 2023

The common base is little known configuration for amplifiers using BJT. This type is used in high frequencies.

Analog electronics, Electronic components, Hobby, Projects, Semiconductors, Tutorial

2 common collector BJT amplifier projects

Pedro Ney Stroski / 3 de January de 2023

In this post, it is shown another type of amplifier configuration using BJT. This time, it is the common collector or emitter follower.

Analog electronics, Electronic components, Hobby, Projects, Semiconductors, Tutorial

2 projects of BJT common emitter amplifiers

Pedro Ney Stroski / 3 de December de 2022

In this post, it is shown how to design a BJT amplifier with voltage divider on common emitter mode. Two examples of projects are presented.

Electronic components, Hobby, Microcontrollers, Projects, Tutorial

Using the MPU6050 module with Arduino

Pedro Ney Stroski / 5 de September de 2022

The MPU6050 module is an accelerometer and gyroscope with 6 axis degrees of freedom. In this post, are shown the operation and a project example.

Disaplay Tm1637 DESTAQUE
Electronic components, Hobby, Microelectronics, Projects, Tutorial

4 digits display TM1637 with Arduino

Pedro Ney Stroski / 16 de June de 2022

In this post, are shown how to use Arduino with the TM1637 module, a 7-segment display with 4 digits and 3 project examples.

Analog electronics, Basic concepts, Hobby, Projects, Tutorial

Current sources

Pedro Ney Stroski / 28 de May de 2022

The current sources are electronic circuits that provide a constant current. In this post, are shown some examples.

Electronic components, Integrated circuits, Microcontrollers, Projects, Tutorial

Accelerometer: how does it work and how to use it?

Pedro Ney Stroski / 29 de April de 2022

The accelerometer is present in every smartphone, tablet, and portable videogames. In this post, are shown the operation and how to use a module with Arduino.

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Pedro Ney Stroski

About me

Hi! I am electrical engineer with master degree in Electronic Systems. This site talks about technology subjects, destinated to students and interested in all levels.

 

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