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There are ripples, noises after converted AC to DC voltage. Don't know if the clock can run accurately. Why don't U add an isolation transformer for safety issue ?
Last time I checked, battery powered clock circuits were designed to pass *1.5v,* _not_ 220v! Safety issues aside, the coil and timer circuits will almost certainly burn out quicker than a Temu space heater. ⚡😳🔥 And with a pack of 10 cheap Zinc batteries costing about a Euro and lasting 6-9 months apiece, I think a couple packs cheap batteries might cost less than the components in the schematic. 😇
The LED shunt regulates the output voltage the series capacitor current limits, actually this is minimalist and elegant. But yes it needs to be in a box...
@@mikep-j894 Personally, I wouldn't be happy using a capacative dropper on something that low voltage. A transformer and a diode might be more costly in component terms, but the better safety and longevity of the secondary circuit would make it worthwhile in my book. 😇 One of my neighbours threw out a rechargeable LED lamp that recharged from the mains. I tore it down for curiosity, and it was (predictably) using a capacative dropper with a single resistor for regulation. I had never seen a ceramic resistor _that_ blackened in my life before...And the amount of heat damage to the plastic case 10mm (1/2") above it showed there was a *lot* of current being forced through that thing... 😳)
Aoa Mery pas 575 w 3 plate hai.tall tubler 185 battery Sinko 100amp mppt. Pv 136. But amp 1.5 or 2.5 sy uper nahi jaty. Kya wakaj ho sakti hai. Please Reply
जिसके यहां लाइट ज्यादा जाती हो तो वो टाइम से आफिस जा पायेगा या स्कूल जा पायेगा।पिक्चर में 2 चीज थी तो लगा एक बार चार्ज कर दो घड़ी चलती रहेगी लेकिन बेवकूफ बना दिया
It's very dangerous. This chopped power supply don't have any protection against high voltage. When input will increase to a dangerous level automatically output at the end will get increased results in shorting the Led & ultimately to the clock module. Not advisable to take the risk.
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