This article presents the design of the converter, to connect your device with an RS232 interface to the PC. Due to the galvanic isolation, the conversion will be especially useful for people, that trigger industrial device avtomatizatsii.Raznitsa potentials between these two devices is often caused damage to the electronic components. Most… Continue Reading
The author considers the hardware-level issues of interaction between the controller and peripherals, which can be connected to it in the organization of the local control system. It gives an example of a local control system, implementing a predetermined algorithm using the heating controller and the temperature controller. Currently, the level of… Continue Reading
The article describes the, how to ensure that the mobile phone power supply with a defective battery. Usually the life of mobile phones for cellular communication is relatively small due to obsolescence or malfunctions, or because of the difficulty of acquisition of the new battery to the old models, or because of the… Continue Reading
For a long time wanted to gather your Arduino board, I looked at the scheme, but I did not dare. There were several reasons: In my laptop there is no COM port, because version with COM port does not suit me; USB version uses a very expensive chip FT232R.
Electronic keys are widely used in everyday life. When the electronic data transfer to mechanical wear and tear. Electronic access keys can open the door electromagnetic locks, to block the PC software, control access to the software and hardware systems. Popular family of Dallas keys (Picture 1) have… Continue Reading