The circuit consists of ordinary components (except of ATtiny13 in some cases). The IC1 is an infrared receiver at 30 kHz. The T2 makes the switch On/Off of Media Center when it gets a High level by IC2. The K2 is connected at the “power switch” connector of your PC’s mainboard (motherboard). The two diodes [...]
USB Powered power Amplifier for you PC I faced this article when I was looking for simple solution how to increase the output of my integrated sound card of my PC. I don’t know why, but the sound level of it decreased so I can’t normally listen with my headphones. So this article is about [...]
This circuit make possible disconnecting a USB device pernamently connected to the PC motherboard (i.e. card reader in PC case) if isn’t in use. Parts:R1, R2 10 kohm, SMD 1206R3 100 kohm, SMD 1206ZD1 8V2, SOD80 Zener. dioda(6V8 až 18V)T1, T2 BSS138, SOT23, code mark SSSw externí spína? / external switch 4 nebo 6 pin? kolíková [...]
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