Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Hi,
I am building an infrared sensor to sense burglars when they walk pass the infrared waves. I had connected up the circuit from here, figure 4 and 5, however, I am not able to get it working. Is there anything wrong with the circuit? I have set it to 38kHz already.
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