Sunday, May 29, 2011

led flasher from bc547




led flasher from bc547

Friday, May 13, 2011

temperature regulator circuit




temperature regulator circuit

Tuesday, May 10, 2011

wireless servo control circuit diagram


wireless servo control circuit diagram

Sunday, May 8, 2011

infrared detector circuit diagram using bc557


infrared detector circuit diagram using bc557

bc557 transistor circuits

Wednesday, May 4, 2011

fire alarm circuit using ne555



fire alarm circuit diagram

ne555 circuits

alarm circuits

wireless microphone circuit diagram


wireless microphone circuit diagram,wireless circuit diagram

Tuesday, May 3, 2011

HT12E encoder rf wireless data transfer



HT12E encoder rf wireless data transfer

rf transmitter circuit diagram

data transfer circuit

4 bit transfer