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Hilt made from 32mm black plastic push fit pipe and couplings and covered with vinyl cloth. Self tapping screws had to be fitted to each end of the couplings to fix them to the pipe as the fit was not rigid enough when assembled. I used a 3S lipo battery pack (Zippy 11.1V 1000mah, used on drones) as it fitted inside the pipe without modification. An LM386 amplifier was substituted for the PAM8403 as it consumes less power and can run at 12Volts, so no need for the 5V step down board. Not an easy project but well worth the effort!
Great instructable, I will be making several of these as gifts. How did you cut the recess in the nut pocket for the threaded bush flange?
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I have used the RCW0516. The timing (re-triggering?) capacitor fitted to the module is 10nf which gives a default delay time of about 2 seconds, so to prevent the display switching on and off between triggering I soldered a 47nf capacitor onto pads C-TM on the module which delays switch off for about 15 seconds. I didn't make any changes the code as it wasn't necessary (programming is not one of strong skills anyway)
Hi, it is mounted on a stud wall in the kitchen with a utility room on the other side, so no problem feeding the power through. I am using a radar module in place of the pir and it is working very well through the front panel and glass, with a range of about 4 metres. Thanks again for your support and documentation.
Interesting project with full documentation made this a very enjoyable build.
After continuing intermittent problems with the time resetting to 1am after a power-down, I re-checked all my wiring and switch/sensor connections again and realised that the timing is only lost when the BST switch is operated for Summer time (closed). If the BST switch is left open the time is retained after a power-down! Can you confirm if this is correct, if not then I still have a problem! I know it won't be a concern once the clock is finished, but during assembly and testing it can be problematic to monitor accuracy etc. The vinyl sticker is now fitted to the glass so we're almost there! Thanks for your support
Initially I was using a modified RTC with a standard battery, and have now also tried one from a different manufacturer which has no built-in charging circuit and uses a smaller CR1220 battery. This made no difference as the clock still resets to 1am after a power down. The wiring has been checked.I also reverted back to v4.2 code to eliminate any problems with the original upload!I am not overly concerned about the touch sensors at the moment, they should be ok when the glass is fitted.Thanks for your quick response
I was just experimenting with the PIR/Radar sensor and the RTC is now working! Would not having these sensors connected affect the RTC? If I fit a pull-up from D8 pin to 5V the clock keeps time after a power cycle
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