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80-790 Philmore 3 Light/Dark Act Relay Switch Electronic Soldering Kit
80-790 Philmore 3 Light/Dark Act Relay Switch Electronic Soldering Kit


 
Online Price: $60.75
Brand: Philmore Electronics - LKG Industries
Manufacturer Part No. 80-790
Product Info: See our Philmore catalog.
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Description
 

Philmore 80-790 3 Light/Dark Act Relay Switch Electronic Soldering Kit

We provide 3 complete Light/Dark LDR circuits each with a relay on-board all in the one kit. Each is a simple well tried circuit: one uses two transistors in a super-darlington setup, the second uses a LM741 op-amp while the third uses a Schmidt Trigger. Each board has a PCB-mounted switch to convert the circuit from light to dark switching and vice versa. There is nothing original in these circuits - they have been around for years. What we have done is bring three good timer circuits together all in the one Kit for you to build & experiment with.

Philmore Electronics part number 80-790

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