The circuit uses independent timers to flash two light emitting diodes. Any time that light...
Pushing the button once will energize the relay. Pushing the same button a second time will...
This article is about a software controlled, parallel port-interfacing 8-channel...
Power supply: 12-14 V stab., 100 mA. RF power: 400 mW. Impedance: 50-75 ohm. Frequency range:...
A low-current flyback converter is used here to generate ±15 volts at 20 mA from a +5 volt...
When firs time found this article, i think it`s a great project using only few component. I like...
The cell phone shield circuit uses two NE555 timer ICs: One as being a very simple astable...
This circuit employs a synchronous demodulator to separate a 1 KHz signal from noise and measures...
The converter shown uses a member of the TinySwitch-III family (U2, a TNY279PN) to provide up to...
As shown in the radio remote lighting switch with RCM1 type radio-controlled remote control...
As shown is a practical voice-activated switch, A1 amplifier connected as a conventional...