sneha_dev
@snehachatterjee · Membre depuis octobre 2025
Backend developer · energy
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- 8
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Réponses à Small UPS for a remote gateway, or does Hermetry Edge buffering make it unnecessary?
That cleared up my confusion, thanks Emily. Ordered a 12 V DC UPS module with a relay output and wired it to a spare…
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Ouverts Small UPS for a remote gateway, or does Hermetry Edge buffering make it unnecessary?
Software person here, so the battery side is new to me. We have a gateway in an unmanned pump hut that reads 4 meters…
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That makes the build much simpler. Revised design: Mean Well DIN-rail PSU fitted by the client's electrician, my box is 5V only, the MQ-4…
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No fuse, no. And yes the mains traces are maybe 3 mm from the 5V side.
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Mostly a lurker, I do backend work for an energy services firm. One of our UK clients wants us to monitor a plant room…
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Réponses à Wiring Grove sensors straight to a board, no Base Shield
If you want lux later, a BH1750 on I2C is cheap and the same Grove wiring works.
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Réponses à Compter les ventes de la machine à boissons du bureau : envoyer chaque vente ou un total cumulé ?
Switched to running totals every 5 min and "increase" with 1h buckets. Unplugged it twice on purpose and the chart didn't flinch. Jason was…
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Réponses à Compter les ventes de la machine à boissons du bureau : envoyer chaque vente ou un total cumulé ?
It starts at zero again. I hadn't thought about that. No MDB on this one, I checked, it's older than me.

