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Yes. The Twido TWDLCAA40DRF has a "built-in" RTC chip so you do not need to add the chip. As for the memory chip, this would only be needed if you want to save the program to it and it would not remain in the controller. It also has an option to add an external battery to hold the program when it is powered down.
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We are excited that you have joined the group. You will receive your welcome email soon describing the program and what to expect in the upcoming weeks. Enjoy!