There are a number of schematic issues:

1. Passive components around the IP5306 don't have reference designators. The output capacitors don't have values.
2. IP5306 KEY pin is has the net "PWR_KEY", which isn't referenced anywhere else in the schematic.
3. U10 does not have any pins for IIC
4. Section with U4 is labelled "Speaker", but it relates to EA3036 which is a power management chip.
5. Link for EA3036 datasheet is to an intranet address (192.13.102.98)

seems there is an incongruence in the schematic for power management of M5stick C

https://github.com/m5stack/M5-Schematic/blob/master/Core/m5stick/Power.pdf

the schema reports IP5306 IC while the API documentation reports the AXP192 IC
https://docs.m5stack.com/#/en/api/axp192_m5stickc

can you update the schematic with the right version ??

thks

MODEL:M5CAMERA001
It was confirmed operation with MicroPython (psram).

Manual connect:
GROVE connector --> BME280

import machine
i2c = machine.I2C(scl=machine.Pin(4), sda=machine.Pin(13))
i2c.scan()

118 <- get slave address 0x76(BME280)

thank you.

The LCD advertises a MISO connection on GPIO 19, which is wrong since the screen instead uses MOSI on GPIO23 (this is correct in the Basic Schematic).

Example of wrong pages:
https://docs.makerfactory.io/m5stack/core/fire/

M5Camera schematic "Pixel Data Bit 4" and "Pixel Data Bit 7" is IO39.
Probabry, this is mistake.
https://github.com/m5stack/M5-Schematic/blob/master/Units/m5camera/hardware_diff_with_ESP32CAM_M5Camera.md

Is it possible to use the M5Stack integrated speaker/amplifier to output sounds coming from the SIM800L without any modifications to the board?

The microphone is sensitive enough to pickup voices in a distance of 1 meter?

Does the microphone eliminates noises?

Is it possible to use the M5Stack integrated speaker/amplifier to output sounds coming from the SIM800L without any modifications to the board?

The microphone is sensitive enough to pickup voices in a distance of 1 meter?

Does the microphone eliminates noises, since I can't see any filter circuit in the board schematics?

I am trying to figure out how to configure the M5Camera using the pins in the "hardware_diff_with_ESP32CAM_M5Camera.md" pin map table, but I don't see pins D0 and D1. Are these labeled something else or is this information available somewhere else?

Hi, I'm looking to add some more LED's to the M5Camera. I'm quite new to hardware so bear with me. I looked at the schematics for the M5Camera model B and couldn't quite figure it out. Is there any pin I could solder a LED to? Thanks.

Hello, I have started hacking on some projects to bring LoRa to the FACES keyboard, some schematics would be helpful in this effort.

Thanks.

The schematic does not include information about the PPTC-1812 of Vin. Which characteristics does the used PPTC have?

In the file /M5-Schematic-master/Core/m5stick/EspCore.pdf "MPU9250" is wired without connecting the interrupt pin. So the DMP(digital motion processor) in this unit cannot be used. Senodia SH200Q datasheet is also provided in the repository. Both works in operating voltage of 2.6v to 3.6v but later doesnot have a DMP inside. So which mpu is wired ? does it have a dmp ? where to the interrupt pin of mpu 9250 is connected in esp32 pin?. Thank you

Hi,

It would be nice if you could also add M5StickC schematics :)

Thank you

I was about to buy this module when I realized there's no schematic. Also, schematic links on the website goes to 404.

Current basic schematic is not OK for M5stack fire core

no psram

no i2c on PMIC

Please post m5stack Fire Core schematic. This will take a few minutes of your time and save many problems for your customers.