Imagine you in the park with family, suddenly an idea comes, such that you can not neglect, a super project that no one had thought of yet, this idea of the circuit is not big enough for the head, and you do not have a paper and pen to draw.Continue reading..
Currently we can find hundreds of program to calculate the pointing Satellite Dish for Satellite TV, but one of the best is the SatHunter. It is a program that calculates the pointing to the correct coordinates for your dish. The SatHunter calculates the azimuth and elevation angle and provides a list of satellite transponders for ...Continue reading..
For those who enjoy or work with RFID, must know the compact modules ID12 and ID20 RFID , are the simplest to use and reliable modules that work with RFID 125 kHz. Both have an internal antenna, thus eliminating the need of the design, production and tuning a resonant circuit . In addition to work is ...Continue reading..
This circuit is a very compact alarm, but very effective, Its construction is simple, reliable operation, power consumption very small, and, above all, has small. He owned two different zones, ZONE 1 e ZONA 2, the bell is common but there is an LED for each zone. You can use various types of sensors for this alarm, ...Continue reading..
Many people imagine that the sensors as described here in this article is for the exclusive use of designs for microcontrollers, but this is a mistake. Almost all modules and sensors can be used in projects or Arduino microcontrollers without. The modules or sensors usually tem 3 basic pine, which are usually 5Volts , 0 Volts and output. The output of a module ...Continue reading..
The design of an amplifier requires knowledge of some formulas, for many (like me) is very confusing and complex, in the end turns out to be discouraged and copy an amplifier circuit any Internet. Furthermore, you need the parameters of the transistor, you'll have to consult a datasheet and it takes time. What do you think of creating ...Continue reading..
Every diode has a voltage drop of approximately 0,7 Volts, for some circuits it can be a bit inconvenient. The Schottky diode can reduce this to 0,3 Volts or less, yet, on a project where every volt counts a lot, 0.3V is a lot of tension to go to waste. But just by chance finding the solution ...Continue reading..
Although the construction of a simple dipole antenna, many still prefer exact calculations, since the more accurate the antenna is cut to a given frequency, lower ROE she will have. There is a basic calculation and a more accurate calculation, that takes into account whether the dipole is made of aluminum wire or a tube and ...Continue reading..
With a simple Arduino project that uses only a few pins, you may be able to simulate and program a chip for ATtiny 8 pines. In this video, Matt Richardson shows como, based on a tutorial from MIT Media Lab Group's High-Low Tech. The best part is that you can use the same Arduino code and the environment ...Continue reading..
A zener diode has a low power level, at most you will find the rare diodes 6 Watts, and in many cases we have to add a circuit for higher power. One solution is a control circuit or an integrated circuit voltage regulator. But what if this tension is different from standard regulators, actually there you will have a certain ...Continue reading..