LoPy-4 deepsleep current draw high for firmware 1.20

pycom / pycom-micropython-sigfox

A fork of MicroPython with the ESP32 port customized to run on Pycom's IoT multi-network modules.

MIT License

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LoPy-4 deepsleep current draw high for firmware 1.20 #412

Open teusH opened 4 years ago

teusH commented 4 years ago

Board LoPy-4, firmware V1.20 While in deepsleep the 5V current is 12 mA (brand new LoPy-4). With firmware V1.18 the deepsleep current is 0.2 mA (OK). We cannot use V1.18 as we found that deepsleep of 15 minutes maybe randomly (once in 1-4 weeks) wakeup after various period of time. We did not see Snow White princess problem with V1.20 (yet).

jaapcrezee commented 3 years ago

The new firmware Release v1.20.2.r3 still has a deepsleep issue; the first time going to deepsleep it works fine: 0.01A. But each consecutive deepsleep will get the device into 0.15A mode.