LM386 audio amplifier circuit with PCB
This is an LM386 audio amplifier that can be used with a small 9 volt Battery Operated,Current use as little as 5 milliamps.And amplification up to 500 mW.
This is an LM386 audio amplifier that can be used with a small 9 volt Battery Operated,Current use as little as 5 milliamps.And amplification up to 500 mW.
Use low voltage so safe. I am boring old buzzer. When use AC line, danger of leakage power in the heavy rain, 3 circuits can help you!.. .......
This is 2 watts + 2 watts Stereo small LM386 amplifier x3 ICs. It is cheap and easy to builds for BCL amplifier,mobile,MP3 player using 6V battery (AA x 4) [...]
This is the telephone pickup circuit small amplifiers To expand voice conversation louder or intercepted phone call,use pickup telephone and LM358 op-amp
This circuit be signal sound expansion from condenser microphone give with small-sized loudspeaker. It compose the importance is part pre mic use transistor just one enlarge sound signal gives the…