Mutchus

This circuit may be used for transforming music into dancing light patterns. The operation of the circuit is very simple, the music input is fed to the bases of the shown transistor array, each of them are configured to conduct at a specific voltage level in the incrementing order from the top to the bottom transistor. Thus the uppermost transistor conducts with the input music is at the minimum volume level and the subsequent transistor starts to conduct in sequence as per the volume or the pitch of the music. Each transistor is rigged with individual lamps which light up in response to the music levels in a “chasing” dancing light pattern. Parts List All the base presets are = 10K, All the collector resistors are 470 Ohms, All the diodes are = 1N4148, All NPN transistors are = BC547, The single PNP transistor is = BC557, All the triacs are = BT136, The input capacitor = 0.22uF/25V non polar.

Presently, production of robots of different types and functions are rapidly created to help people make their life easier. We can even imagine how the world would look like on the next decade to come. That is – robots do most of the work that people used to do. Most of the bots in the market are not controlled by Bluetooth except this bot. It’s amazing how this bot dances while controlling the Bluetooth keyboard and a lot of fun to watch for robot fanatics. In spite the advantages of bots, it can shut down if operation failed therefore failure on its task. Then back to basics must always be a backup. Source by : Streampowers