I'm trying to use Servo2 module with M5Stack Gray from UIFlow, but doesn't seem to work. I've been able to use it from Arduino IDE, but not from UIFlow. I was able to use it on Core2 from UIFlow.
Are there any way to use Servo2 on M5Stack Gray wit UIFlow?
@ckuehnel Did you ever figure this out? I just got my 18650 hat. I took it apart and also don't see any control circuitry. I'm now guessing that the USB connector on the hat simply feeds into the 5V input of the M5StickC, and the AXP192 inside the M5StickC controls the charge of the 18650 cell. There is some info in the AXP192 data sheet about a back-up battery, but it's been a while since I read it, and I'm not sure it's relevant.
One interesting thing ... I'm working on a project where I turn the display off after a few seconds if the M5StickC is not plugged in. Either by shrewd design or by my dumb luck, that works when the M5StickC is on the hat. ("It works" means the display turns off after a few seconds.)
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Sound like the battery protection circuit has tripped. Try pluging it into a none intelleegent USB charge for around 5 hours (with the charger switched on) and see if it come to life.
If not, it could be that it has died and needs replacing.
@woodster I have managed to find this article in Japanese which Google translated nicely for me: https://slanew.com/news/612
All working now - so hopefully this will help other people trying to do the same :)
Firstly, apologies for reviving an old topic. I realise i could use base x (and indeed do own one already). However, i was wondering if there had been any progress on adding the pid functions to the api for the lego+ module. i was hoping to use with ev3 motors but was looking to have both speed and position control.
many thanks.
paul
@felmue Tried both. 3.3V has a bit higher current. Strange, if there's just an LDO (guessing - no schematics!).
Also removed IR and RGB LEDs. Tried with Arduino and Espressif IDF deep-sleep example. No success. NodeMCU with Wroom32 is kind of OK (1.6mA), by the way. But mechanically too large ...
If you do not have a capacitor available, you can also try to set the "Upload Speed" to 115200 in Arduino IDE.
Of course the uploads are longer, but it did the job for me : i did not have any upload error since
I also installed the latest CP210x Windows driver (v10.1.1 for Windows 10) but i don't think this is necessary
Im get it. Thanks! Now im succesfull connect it via Wi-Fi to my sensor (sensor=mpu6050+esp12). There are was some problems with UDP connetions but now solve it.
Hi,
It is a built-in function of PMU. One pressing will only reset the ESP32, double pressing will be treated as power off, so the PMU will directly cut-off the MCU's power. We may supply modifying such functions in the future hardware releases.
