This circuit IC1 TDA2822 number as your primary device. The Dual Amplifier IC or IC stereo gain at 40 dB……..Read more
Simple create surround sound
A circuit surround sound simple.Circuit is created newness of the sound to a wider sound dimension.That the device R and C, to share the audio delay……..Read more
Insect repellent device using ic 4047
This is a small circuit insect repellent, mosquitoes and birds, or other methods to produce high frequency audio signals………Read more
Bicycle tail light flashing
Present roads in good condition than the former Pan. The traffic is convenient. But often ran high speeds…….Read more
LED warning water the plants with ic 4093
Electronic users love trees. But no time and work and forget Enjoy water the plants.So the trees dry out……Read more
Protection Surge with Delay the relay using ic 4011
This circuit can be used to delay other appliances connected to the output of the relay. After working set To prevent equipment damage from pressure…….Read more
Switch off delay circuit by 2N4871
This circuit prevents surges. From the opening – is switched off or power failure. The damage to electrical appliances……….Read more
Automatic timer switch with ic 7611
This circuit will help facilitate in sleepy eliminating the need to get off or the radio. Etc., which can save energy costs down……..Read more
Tapping morse code circuit
Morse code is a code of signals used in military communications in the past. But today, it is also common among surfers radio…….Read more
dc to dc converter using ic ne555
This circuit is called DC TO DC converter circuit.Which increase the voltage circuit.There can be customized to change the output values…….Read more