Diy Wifi Amplifier Circuit. Transistor amplifier design d mohankumar 03 09 2010. You can power up the speaker and audio amplifier using a 12v battery a solar panel lithium ion cells 110 220vac to 12vdc adaptor.
As in this circuit the input is directly connected to a op amp input decoupling is a must. The circuit is especially useful for a differently abled person. It is based on ic lm386 and you know what i just love this ic as it is useful for several kinds of projects.
Transistor amplifier design d mohankumar 03 09 2010.
You need to build 2 unit one indoor one outdoor both unit is similar and simple to build if you follow this guide but i take few hours to r d. Risks are eventual continuous current coming from the source blows the lm386 ic or worst case a problem with this amplifier circuit causing continuous current flowing to the source makeing hot dogs of your connected smart phone. This audio amplifier circuit is useful in classrooms to reduce the strain of lecturing if the surrounding environment. Power amp and protection circuit.
