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Here is a simple 5-watt mono audio amplifier using IC TA7222 that drives a 4-ohm speaker using a 9V battery or a 9V DC adaptor. You can also make a stereo amplifier by using two identical circuits. Circuit and working...
We face a lot of problems everyday to charge our mobile phone batteries. Here is a simple and effective way to charge your mobile phone batteries with a 9v Battery. You can check the status of the battery pressing...
Circuit Design, Inc. has announced the release of an embedded telecommand NK-2.4Y module capable of transmitting upto 8 switching signals. Holding FCC, IC, ARIB and CE certification, the user can integrate the module without need for additional radio approval. The...
The attraction of 2.4 GHz ISM band telecommand transmitters Anybody around the world can use 2.4 GHz band (ISM band) wireless devices, so telecommand transmitters that make free use of the ISM band while coexisting with existing WLAN and Bluetooth...