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icoleman_uk 01/12/2016
This is all through-hole so is great for beginners or just for some soldering practice. The instructions, although somewhat poorly translated, were adequate. BE CAREFUL! The firmware on supplied MCU is programmed to enable the DS1302 RCT's trickle charge function but the kit is supplied with a non-rechargeable CR1220 lithium battery. This could result in undesirable results from the battery..... You should modify the circuit to put a diode in series with the battery or use a super capacitor rated for 5V instead.
Comments (1)
  • 09helix What about a rechargeable lithium cell?

    Reply 09/01/2017
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