Month: March 2009
Audio Circuits Fm transmitter RF Transmitters
BA1404 stereo FM transmitter circuit diagram
BA1404 stereo FM transmitter circuit diagram, transmit from your portable audio equipment to your car radio, low-power FM transmitters are ...
Amplifier Audio Circuits
TDA7294 amplifier circuit diagram PCB
TDA7294 amplifier circuit diagram PCB, project of circuit potent audio amplifier with TDA7294. Super Amplifier with tda7294 from St microelectronics, ...
Circuits Fm transmitter RF Transmitters
FM Transmitter 2n2218 1 KM long range
FM Transmitter Circuit 2n2218, this small transmitter can reach over 1 km in favorable broadcast conditions. Modulation can be done ...
Circuits Light / Led Power Supply
Dimmer light switch circuit with Triac
Dimmer light switch circuit with Triac, potency control in loads as illumination of bulb. Dimmers are devices used to lower ...
Download Tips Tutorial Videos
DIY PCB using toner transfer how make?
Printed circuit board method thermal complete tutorial in video, Video tutorial in the YouTube taught as doing a printed circuit ...
Amplifier Audio Circuits
LM3886 amplifier board gainclone LM3886TF PCB
LM3886 amplifier board gainclone LM3886TF PCB, LM3886 updated with PCB layout, this circuit is a high-quality audio amplifier using integrated ...
Circuits Instrumentation Meter Test Tips
lm35 temperature sensor module for multimeter
Temperature x voltage converter with Lm35. To be used with a digital multimeter with a range from -50 °C to ...
Audio Circuits
Circuit of graphic equalizer LA3607
Circuit of graphic equalizer of 7 bands using it integrated la3607 of Sanyo. The circuit integrated la3607 allows to just ...
Audio Circuits Fm transmitter RF Transmitters
NJM2035 circuit encoder stereo multiplexer FM transmitter
NJM2035 circuit encoder stereo multiplexer FM transmitter. Encoder stereo Multiplexer for stereo FM transmitters with ic NJM2035. That codifier stereo ...
Amplifier Audio Circuits
lm1877 circuit audio amplifier LM1877N 2W
LM1877 circuit audio amplifier LM1877N 2W, circuit of power amplifier stereo using lm1877 for 2 watts. The lm1877 is an ...
Hi Adam, You can connect a 12 or 18V DC source in the power connector, do not worry about polarity.