Aug 15, 2005 #1 SISWANTO Advanced Member level 4 Joined May 14, 2001 Messages 107 Helped 6 Reputation 12 Reaction score 6 Trophy points 1,298 Location Nirwana Activity points 877 tlc555 touch circuit Dear All, I need Touch Switch sircuit -Simple -Only need one straight of metal please help me. Salam Siswanto
tlc555 touch circuit Dear All, I need Touch Switch sircuit -Simple -Only need one straight of metal please help me. Salam Siswanto
Aug 15, 2005 #2 S starchern Member level 2 Joined Feb 21, 2004 Messages 44 Helped 5 Reputation 10 Reaction score 3 Trophy points 1,288 Activity points 402 http://www.discovercircuits.com/PDF-FILES/fingersw.pdf try it
Aug 15, 2005 #3 F funster Full Member level 4 Joined Jun 30, 2005 Messages 232 Helped 19 Reputation 38 Reaction score 4 Trophy points 1,298 Activity points 2,742 you can use TI's TLC555 circfuit to construct one shot circuit, then connect a high value resistor (such as 1M) between VCC and trigger input, then trigger input can function as a touch input. best regards SISWANTO said: Dear All, I need Touch Switch sircuit -Simple -Only need one straight of metal please help me. Salam Siswanto Click to expand...
you can use TI's TLC555 circfuit to construct one shot circuit, then connect a high value resistor (such as 1M) between VCC and trigger input, then trigger input can function as a touch input. best regards SISWANTO said: Dear All, I need Touch Switch sircuit -Simple -Only need one straight of metal please help me. Salam Siswanto Click to expand...
Aug 25, 2005 #4 SISWANTO Advanced Member level 4 Joined May 14, 2001 Messages 107 Helped 6 Reputation 12 Reaction score 6 Trophy points 1,298 Location Nirwana Activity points 877 I had try TLC555 with 1M resistor between VCC and triger pin. and the result is like as I need. Thanks Funster. but i still have a question, how about the realibility of this circuit?? Salam Siswanto
I had try TLC555 with 1M resistor between VCC and triger pin. and the result is like as I need. Thanks Funster. but i still have a question, how about the realibility of this circuit?? Salam Siswanto