This post subject is the assemble and operation of a mini Tesla coil kit, which is supplied by a DC voltage between 9 and 30V.
Category: Hobby
DHT11 and DHT22, temperature and humidity sensors
DHT11 and DHT22 are sensors manufactured by Aosong, with a digital output for measurements. Here, it’s shown how to use it on Arduino.
Darlington and Sziklai pairs
The Darlington and Sziklai pairs are settings with BJT transistors. The comparison between both and some circuits are shown in this post.
IR vehicle with Arduino
The IR vehicle is a simple project, a car with Arduino, that receives an infrared signal from a remote control to control 2 servomotors.
Arduino tutorial (Part 8, IR remote control), 2nd edition
One more Arduino tutorial. This time will be explained how to control devices with an IR remote control. The operation of IR (infrared) control will be subject to another post.
Sawtooth generator circuit
This post shows how to design a sawtooth generator circuit, or ramp, which uses a current source and the integrated circuit 555.
Arduino with LCD Keypad
This post’s subject is the LCD Keypad module, which allows to control a LCD display with buttons without wires and a protoboard.
2 projects with LED effect
The two shown projects to make LED effect using the Johnson counter 4017.
Arduino with Bluetooth module HC-05
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.