Noise, constant stress and other activities, that affect our psyche everywhere, make you constantly look for solutions, allowing us to drown our everyday devices. Noise in front of the computer after several hours, produced by a running fan of the computer's power supply, also gets very annoying. The proposed scheme… Continue Reading
After hours of working in front of the computer, the buzzing, produced by a constantly running fan of the computer's power supply, becomes very tiresome. The proposed system was created "out of necessity" and its task – ensure the lowest possible fan speed. Enough for that, so that the temperature of the cooled elements is not… Continue Reading
RS232 converter <-> RS485 is used to change the voltage levels, complying with these standards. The characteristics of the voltage converter to RS232 levels in transformed, corresponding standard TTL, and then converted into levels, adopted RS485. Converter further has an automatic switch between sending and receiving.… Continue Reading
The device is an easy to use module., which allows you to use a Bluetooth connection in any system with a UART interface. The device is designed and built on the basis of the BTM-222 transmission module. It provides a range of up to 100 m (depending on distribution conditions). Undeniable… Continue Reading
Simple and inexpensive thermometer for PC, which allows you to measure and record the temperature of 8 and temperature sensors. An apparatus adapted for data transmission over the Internet. Communication with the computer via an RS232 serial connector. The DS1820 that communicate used as temperature sensors… Continue Reading