The automatic dialer is an intelligent alarm monitoring device. It uses a single-chip microcomputer as its core device and can send alarms to designated BP machines at any time using wireless paging a...
Designers and manufacturers of monitoring systems have been looking to microcontrollers to provide an increasing number of common functions for everyday monitoring applications, including meeting the ...
Another week has passed. I tested it twice this week. The first time, as everyone said, I couldn’t connect to the Internet. After trying N times, I still failed. Later, I found that I needed to use a ...
Many years ago, the anti-shake function was a special treatment that only high-end SLR lens owners could enjoy. Canon IS, Nikon VR and other effective anti-shake technologies were still far away from ...
FAIRCHILD single-chip switching power supply chip is suitable for various low-power chargers, such as mobile phones, digital cameras, MP3, etc. The FSDH0365 power switch integrates the voltage-type PW...
As shown in the figure, I converted +5V to -5V through MAX735, and then supplied the positive and negative 5V to the dual power amplifier. Once powered on, -5V was pulled down to 0V. After disconnecti...