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Modules

505
Topics

1.8k
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@robmiles me, too. Acturally I bought two module. One is bought from first batch (with debug board), the other is from second batch. All use with Core 2 AWS. But the one of first batch LLM-module already dead (can't work anymore). Still can not find way to solve this.
FAQS

When you meet problems using M5Stack, we help you solve it.

196
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981
Posts

H

To create a server with SIM800L, use GPRS to get a dynamic IP from your carrier. Enable TCP listening with AT+CIPSERVER=1,80. Forward incoming data to your M5Stack via serial. Since the IP is dynamic, use a DDNS service or periodically send the IP via SMS/email. Alternatively, have the M5Stack poll a cloud server for commands. SIM800L has limited capabilities, so keep the website simple (raw HTTP requests). Check the SIM800L AT command manual for TCP/IP setup details.
Units

479
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1.8k
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I don't recommend this product. This is what it looks like after being in a barely damp plant overnight! No wonder I couldn't get any readings! IMG_9390.jpg
Cores

Core2 for AWS M5Stack Fire M5stack Grey M5 Stick/StickC M5GO FACES Kit M5Stick V Core 2

1.3k
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Hello @scroggyg

in UIFlow2 under Hardware you can find the Watch Dog Timer (WDT) module.

I created a example in the UIFlow2 Project Zone: M5Tough_Watchdog_Test_UIFlow2.2.8

Thanks
Felix
Bases

49
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187
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Hello @hacxx

please stop posting incorrect / not very useful information. W5500 is different from ENC28J60 and therefore EthernetENC or UIPEthernet library cannot be used for W5500. Thank you.

Thanks
Felix
Atom

For topics on the M5Stack Atom.

230
Topics

778
Posts

T

@teastain thx for the hint! It's just as you said about acceleration.

Btw: UIFlow works. I just installed the incorrect firmware (UIFlow2.0 instead of UIFlow2.0 AtomS3R).

Thanks again everyone!

M

Section Rules / 版块规则

• • m5-docs

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T-Lite: how to keep it awake ?

• • JeffInItalia

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The soft reset seems to do the job (12 hours of measurements uninterrupted)

0f4b244c-ff68-470e-8f51-d139e7485082-image.png
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• • aurelius

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PaperS3

• • paydogs

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Hello @paydogs

my M5PaperS3 running the factory test shows about 4.19 V when fully charged and still on USB-C. When I remove external power it drops to about 4.12 V.

Thanks
Felix
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Hardware issues

• • JourneymanWizard

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Update on DAC module: found probable root cause from within my system setup.

Failure point on the module is the +5V input - only a few ohms vs GND. I found the +5Vdc supply transient of -4V relative to GND for 200µs. Most ICs don't do well with anything below -0.3V relative to GND.

(the transient is caused by design depending on a great deal of Grove wiring as a GND path, combined with relatively high voltage/current on other rails in the system. One solution is redesign for low-ohm, low impedance GNDs)
G

Is the Battery Module for ESP32 Core Development Kit compatible with M5Stack Fire 2.7

• • gbastos

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Hi!

Yes, the M5Stack Battery Module works with the M5Stack Fire 2.7. M5Stack's stackable header-pin design allows you to simply add modules like this one without needing to solder.

Use M2 screws (22mm or longer) and M2 brass spacers to securely assemble everything. This maintains the modules securely packed, which is ideal for preventing inadvertent disassembly, particularly in client-facing installations.

If you are in India, check out Robocraze. They are an approved M5Stack distributor, providing accessories and assistance for clean, professional builds.

Hope this helps!
J

Bills of Materials

• • JourneymanWizard

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[SOLVED} PaperS3 Touch Screen Latency

• • wsanders

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@wsanders This problem was caused by a reference to an uninitialized variable in that drawSomeTextOnScreen() function. As usual, the invalid reference caused weird behavior that was unrelated to the actual problem.
W

Anybody get drawJpgFile to work with M5 PaperS3?

• • wsanders

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@wsanders Bump. For future reference, the easiest way to get a static image into Arduino IDE code is to convert the image into an XBM with Gimp and use M5.Display.drawXBitmap. More here: https://github.com/wsanders/M5PaperS3-Stuff
C

LoRaWAN EU868 RAK3172(H) program issue

• • charlesRD

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@charlesRD said in LoRaWAN EU868 RAK3172(H) program issue:

As a result, I decided to switch to the Arduino IDE (even if i wanted to stick with UIFlow2). I downloaded the appropriate library and attempted to run an example program, but even the basic example fails to work with this module, i got stuck in the 1st while loop.
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• • charlesRD

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• • chirpychips

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StamPLC - user demo- wifi/time config?

• • robski

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@robski Thank you, binding the device was the issue....DOH! Working now, much appreciated.
M

Bar graph demo application is running extremely slowly on Paper S3

• • mwwalker

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@mwwalker
PaperS3 do have a slow refresh rate. maybe the BarGraph demo isn't very suitable for test, you should try the rtc example: https://docs.m5stack.com/en/arduino/m5papers3/rtc
R

NEED HELP: No screen, PaperS3 beeps and returns Serial monitor communication....

• • RadghKris

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@RadghKris said in NEED HELP: No screen, PaperS3 beeps and returns Serial monitor communication....:

flags

I went and deleted this argument/variable from the library. May not have been the best thing to do, but it worked! I got the bar graph to work!!

So, I have one program that will display the screen, and one program that will beep the buzzer and communicate with the serial monitor.

Progress. Still not perfect, but progress.
S

Running ENV III Hat and SGP30 Unit Simultaneously on M5StickC Plus2

• • shiva

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UIFlow.jpg
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PaperS3 Bluetooth?

• • RadghKris

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M5 stack paper stop storing data in preferences?

• • ScheduleDisplay

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LLM SKU: M140 Discontinued and now what

• • mumin50

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@mumin50 They are releasing it as part of an upgrade kit with an adapter board that should be out next Friday.
https://docs.m5stack.com/en/module/Module LLM Kit
R

AirQ VOC measurements

• • rictim

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@rictim thanks for pointing this out. I already guessed that fan isn't functioning in battery mode and thought of using the connector. But it looks like I need to hook them up to a USB battery pack for VOC. Assuming the sensors work also better when the fan works.

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