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TL;DR: 63 A DIN-rail breaker logs 230 V/50 Hz data every 5–10 min, but “addRepeatingEvent 10 -1 tuyaMcu_sendQueryState” cuts it to 10 s [Elektroda, morgan_flint, post #21005072] “Flash first, you can always restore the 2 MB backup” [Elektroda, p.kaczmarek2, post #20693586] Why it matters: Faster, local data means no Tuya cloud and safer automation.
• Rated: 230 V ±10 %, 63 A, <2 W self-consumption [Elektroda, crash1912, post #20693422] • SoC module: WB3S or CBU (BK7231 N/T) with 2 MB flash [Elektroda, crash1912, #20693722; morgan_flint, #20830794] • Factory frame rate: 5 min (V/I/P), 10 min (energy) [Elektroda, morgan_flint, post #21005072] • Supports negative power (export) but still increments kWh [Elektroda, morgan_flint, post #20853227] • DP table: 20 datapoints; key ones → 6-VCP, 11-prepay, 16-relay, 104-PF, 105-Freq [Elektroda, morgan_flint, post #20837470]
linkTuyaMCUOutputToChannel 6 RAW_TAC2121C_VCP and assign channels Voltage_div10, Current_div1000, Power [Elektroda, p.kaczmarek2, post #21364564]linkTuyaMCUOutputToChannel 6 RAW_TAC2121C_VCP 5 (where 5 is your voltage channel). Wrong order swaps current/power and can reopen the relay [Elektroda, morgan_flint, post #21365381]addRepeatingEvent 10 -1 tuyaMcu_sendQueryState to autoexec.bat to poll every 10 s without Tuya cloud traffic.Settings_Prepaid_visibility() to keep it visible and load credit before enabling prepay [Elektroda, morgan_flint, post #21007376]data.find(t=>t.id==21) returns undefined. Add a null check or default r=0 before processing to prevent the UI from breaking [Elektroda, Angel0fDeath, post #20990164]55AA030765… and resets kWh. Relay state is unchanged [Elektroda, Angel0fDeath, post #20990164]
Comments
I guess it's a TuyaMCU device, so it will work without any problem. Do you know how to do UART data capture in a safe manner? This device is mains powered, so doing capture may be dangerous. We could... [Read more]
@crash1912 Can you take a better picture, maybe of the bottom board? And if possible, maybe include the markings from the LCD controller? [Read more]
Thanks for answering, I'm new to this, I have a moment of mental garbage with a lot of information, openbk, tasmota, esphome... but I'm advancing little by little. I don't know how to do UART data capture... [Read more]
What is under capacitor here: https://obrazki.elektroda.pl/3855322500_1692046358_thumb.jpg This is WB3S bot: https://obrazki.elektroda.pl/9001953900_1692046409_thumb.jpg (Bottom view, not... [Read more]
@crash1912 There is a similar post you can read - https://www.elektroda.com/rtvforum/viewtopic.php?p=20686225#20686225 Also, you can check this post on how to do UART capture safely - https://www.elektroda.com/rtvforum/viewtopic.php?p=20667319#20667319 And... [Read more]
You may be right. I can see UART traces there. They go through resistors. https://obrazki.elektroda.pl/6372361200_1692049934_thumb.jpg That would mean that one would have to desolder them to temporary... [Read more]
With a multimeter, I can't find continuity between TX1, RX1, and any other board connection pin, only VDD and GND. I think I'll need to solder wires on TX1 and RX1... Under the capacitor, I can see: HC89F0541... [Read more]
Well, no surprises here, considering that it clearly looks like TX1 and RX1 go through resistors to MCU: https://obrazki.elektroda.pl/7348413800_1692098093_thumb.jpg It's TuyaMCU. https://obrazki.elektroda.pl/6677601000_1692098172_thumb.jpg... [Read more]
You are right, without a bridge between pin 22 and GND, you cannot read/write anything. Using a little mini hook, I can create a bridge without soldering. For TX/RX, I held male pins to the board using... [Read more]
2MB flash can contain your SSID if you paired it. Please post if you can, if not, please post only Tuya JSON. See how to extract JSON: This will tell us which baud rate is your device using. [Read more]
The device is new, never used, does not contain any personal data configured for me. If it contains anything, it is from the factory (any device key or anything, I don't know). I have attached a backup... [Read more]
That's good enough. Well done. So baud rate is the default, slow-speed one. Okay, so let's start with this autoexec.bat: // start TuyaMCU driver startDriver TuyaMCU // always force 0x04 WiFi state... [Read more]
Ok now driver is already loaded: https://obrazki.elektroda.pl/6551659400_1692293974_thumb.jpg Yes, i can toggle relay from physical button. In the recording tab, the data is very abundant, these... [Read more]
There isn't much in the logs, but they seem to suggest that dpID 16 is a boolean, it may be a relay. So, now autoexec.bat should look like: // start TuyaMCU driver startDriver TuyaMCU // always... [Read more]
Correct, DP16 is a power switch relay! and using configuration from EAMPDW-TY63 now can see more data! but some is wrong... OverVoltage, UnderVoltage, Current and Leakage values appears 0, but OverVoltage... [Read more]
How does your current web app log looks like? Which dpIDs are working? You've jumped quickly to very advanced config and I am not sure if it's entirely correct. Have you tried to use tuyaMcu_sendQueryState... [Read more]
Ok, well I think so too, I've gone too fast :) tuyaMcu_sendQueryState force refresh arbitrary? this looks good!! I like this!! Works great!! ¿Can refresh each 5~10s automatically? ok, now let's... [Read more]
Repeating event can be used to do some action periodically: // NOTE: addRepeatingEvent [RepeatTime] [RepeatCount] // code below will forever toggle relay every 15 seconds addRepeatingEvent... [Read more]
Repeating event is wonderful, i added "addRepeatingEvent 10 -1 tuyaMcu_sendQueryState" and works amazing. Possible stupid question: if channels are like variable and dpID's are same as constant... [Read more]