This post shows how to design a sawtooth generator circuit, or ramp, which uses a current source and the integrated circuit 555.
This post’s subject is the LCD Keypad module, which allows to control a LCD display with buttons without wires and a protoboard.
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.
The common base is little known configuration for amplifiers using BJT. This type is used in high frequencies.
In this post, it is shown another type of amplifier configuration using BJT. This time, it is the common collector or emitter follower.
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.
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.
In this post, are shown how to use Arduino with the TM1637 module, a 7-segment display with 4 digits and 3 project examples.
The current sources are electronic circuits that provide a constant current. In this post, are shown some examples.
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.