Comments (3)
I don't have prior experience with this, just trying to connect my D1 mini to a L&G 360 for the first time today.
The blue LED on the D1 mini briefly lights up, then I hear a relais in the meter. Power comes on for a second, then off, then on again.
Did you power your device with USB, in parallel to the 5V from the P1 port?
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@flaektrem What design of P1 interface are you using?
If your design have a large capacitor on the power supply, like Weigu's SmartyReader, with 1000µF, I believe reducing that to like 1-10 µF would be appropriate. 1000µF is way overkill here in my opinion.
The power supply in the P1 port is voluntary and its power capacity is unspecified.
I believe that many people who have reported problem with cold booting, suffer from a to slow too slow voltage rise when power up, due to the current limit in the power supply and a large capacitor. A smaller capacitor will make the rise time faster...
The updated ESPHome version might have changed the boot behavior of the ESP, and if your previous version barely managed to boot - it now fails...
I'm currently running p1reader on a D1 mini with 10µF and ESPhome 2023.4.2. Stable and with no boot problem.
I have also recently tested to connect and run a XIAO ESP32C3 with only 270nF on the power supply from the P1 port. It starts and seems to run fine. But that is less than I would normally recommend.
Unfortunately we have a compiling error with the ESP32C3 and p1reader at the moment... #72
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I had problems booting up a wemos d1 mini as well, changed board to another clone from another supplier and it worked straight out of the box. Some clones seem to have low quality components
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Related Issues (20)
- Extend the esp to act as active repeater to connect additional P1 device HOT 2
- HDLC support missing (is AIDON meters really supported?)
- Instability Frequent Drop out HOT 3
- Compile Error with esp-idf Framework HOT 2
- Add XIAO ESP32C3 to hardware section of readme.md
- Aidon meter and slimmelezer-wt32-eth01 HOT 5
- Landis Gyr e360 lte HOT 1
- SlimmeLezer+ with HDLC stops working HOT 1
- dual tariff HOT 2
- CRC Pass=no after a while HOT 3
- Update interval HOT 3
- Strange readings HSP Meter HAN port
- Problem error
- Custom components are deprecated HOT 3
- Slimmelezer not response after HAN plugged HOT 1
- CRC error, start block occasionally corrupted
- Data error on SlimmeLezer+
- InvalidJSONFile
- Unsigned negative current HOT 2
- ESP-12 p1reader.yaml HOT 1
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