Comments (2)
I have this too. 5-second packets no matter what interval I ask for.
But see comments on #302 - is something like your ESP polling the devices actively?
from atc_mithermometer.
I find the LYWSD03MMC transmits every 1.8 - 3 seconds. Two or three packets.
Configuration:
- Flashed easily with the web flasher
- Firmware: Release 79 of Dec 24, 2023
- HW version... I don't have a small enough Torx, these were bought in 2024.
- Temperature offset configured, FAFB
- Degrees C
- Report on change FC and FD is set to a large number, FC66 and FD66
- Smiley off
Things I've tried changing:
- Advertising type Mi or Custom, no change
- When set to 1 minute or 5 minute reporting interval (always saved in flash)
- No influence from nearby devices - the theory that something was making a connection to it.
I tried with and without the nearby ESP32+Tasmota, no change
I placed the MiTherm and an RF amplifier + detector + LED in a microwave oven, power cycled and quickly closed the door. Same behaviour, transmitting every ~2 seconds. My phone could detect the device from nearby but not from a few metres away, so it's unlikely anything was interrogating it in there. - Temperature updates on the display every 5 seconds or so
My device reported battery is plummeting, 70% after 3 weeks, but not yet run out so I can't say for sure.
Edit: I see in the readme:
New measurement interval (How often the Temperature reading changes in the BLE Advertising data) Does not influence the battery uasge.
So perhaps I'm worrying about the wrong thing.
I do note that the temperature changes in real time in the reported packets, no 1-minute or 5-minute delay there, just the thermal mass of the device case itself.
My goal is to increase battery life, I don't care about the packets otherwise.
Does it help to reduce the reporting (and measuring) rate?
Is there a way to do this, have I done something wrong?
Thanks!
from atc_mithermometer.
Related Issues (20)
- Extented temperature range possible for Xiaomi Mi sensor?
- Not supported on new device HOT 1
- "Advertising interval" term is missused? HOT 4
- Compatibility with TH05? HOT 2
- CGG1-M 2022 shows 0,0°C temperature and 0% humidity
- LCD Refresh interval longer than 12.x seconds
- Qingping CGDK2 zigbee fw shows wrong temp HOT 1
- New device from Xiaomi: XMWSDJ04MMC HOT 1
- Problem activating LYWSD03MMC v2.1.1_0159 HOT 2
- Lost Advertising Type after Battery change HOT 1
- lywsd03mmc not flashing with new firmware HOT 1
- Random bind key
- Force into pairing mode. HOT 2
- Custom battery levels
- Calibrate LYWSD03MMC in Zigbee mode (ZHA)
- Venus operating System HOT 1
- Way to read Data from ATC-flashed devices via Android Gadgetbridge-App
- Device bricked after successful flash and battery removal HOT 1
- Does the sensor have a spare GPIO I can use?
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