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.
If you want to measure its sensitivity, then connect the transistor collector to a voltage supply (e.g. +5V with emitter to ground) in series with a milliammeter, and measure the current versus light intensity.
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