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  1. 03-08-2020 #4
    cropwell's Avatar
    Lives in Nottingham, United Kingdom.
    cropwell
    Last Activity: 28-05-2023 Has been a member for 9-10 years. Has a total post count of 1,646. Received thanks 170 times, giving thanks to others 30 times.
    No, you don't need a separate input, you can connect the 7.8V from the two batteries to VCC2 and the input of the LM7805 (pin1). Pin2 connects to GND and connect the out put (pin3) to VCC1 and all control inputs through the switches.
    Last edited by cropwell; 03-08-2020 at 03:11 AM.
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