…power amplifier circuit is available at kitsrus.com. You may download the kit manual including the information of schematic diagram, components list, and circuit works from the following link: 250mW RF…

…this sound activated switch circuit: Sound activated switch kit manual 1 file(s) 112.65 KB Download Kit Manual This circuit kit available at http://www.electronickits.com/kit/complete/elec/ck1607.htm, go to that page to buy the…

…LED should turn off. If the LED still on, the andjust the RV1 slighty This circuit actually is a kits, you can get the kits at http://www.electronickits.com/kit/complete/surv/vemk126.htm. But it is…

…Discontinue, National Semiconductor) GR1 = 4X1N4002 T1 = 220V AC/12V 1A DS1 a DS7 = Display Common Anodo Datasheet document for digital clock IC MM5314N can be accessed here: http://www.datasheetspdf.com/PDF/MM5314N/514207/1…

…The low standby electric current and automatic reset indicates that for this sort of application an external on/off switch might not be essential. Easy build motorcycle alarm circuit source: www.zen22142.zen.co.uk…

…power amplifier amplifies the output of the pre-amplifier to an audible level. It comprises of the TDA2822M IC and those external components needed to make the IC function properly. This…

…additional place on the PCB but it will easier for you to make some adjustment. The kit of this circuit available at kitsrus.com and electronickits.com, you may buy the circuit…

…a compact melody module can be constructed with only a few additional components. M66T Pin Assignment: Pin 1 (O/P) Melody Output Pin 2 (Vdd) Positive Power Supply Pin 3 (Vss)…

…circuits and of course doubled the power supply current (use 5A transformer for stereo application). The amplifier circuit uses symmetrical (dual polarity) power suppy. Recommended power supply voltage is +/-…

…you need an audio amplifier is more compact, you can use the following circuit Circuit above is a further application of the audio amplifier based on TDA2052 which uses three…