Cores

• T

  Large format CoreInk back sticker?
  • toddkrein

  3
  0
  Votes
  3
  Posts
  109
  Views

  T

  Thanks VERY much!! This is exactly what I wanted.
• 

  Special characters like german umlaut äöü
  • Pat

  3
  0
  Votes
  3
  Posts
  2447
  Views

  S

  Hi, It's actually significantly simpler to type an e after the umlauted letters, and utilize a twofold s (ss) for ß. That is how Germans treat they need to.
• V

  M5paper power consumption in light sleep
  • volker

  7
  0
  Votes
  7
  Posts
  675
  Views

  V

  My device is now running for about 6 days with one battery charge. But I'm using deep sleep mode now. If I use disableEPDPower() before getting into light sleep mode, I need to re-init the display after wake up. So the advantage of light sleep is lost and display need to be fully updated. I choose this device with e-paper display to build a low power application, but at the end it was not the best decision to use M5paper.
• L

  M5Paper deepsleep with UIFlow ?
  • littlbee

  6
  0
  Votes
  6
  Posts
  545
  Views

  

  Hello @littlbee no worries. I am glad to hear you got it working to your liking. And thank you for reporting back. Thanks Felix
• J

  M5paper touchscreen wakeup from sleep
  • Joonas

  8
  0
  Votes
  8
  Posts
  2783
  Views

  

  Hello @kelcon yes, the main code can read the same touch which has caused the waking up since the touch IC stores the last touch coordinates for the main code to fetch it. Thanks Felix
• G

  SPI on M5Tough (MAX31865)
  • GrtVHecke

  3
  0
  Votes
  3
  Posts
  453
  Views

  G

  @felmue thank you for this quick and excellent reply!!! I will do this. Can you just tell me if I need to specify the pins as GPIO33 or 33 in the constructor
• C

  M5CoreInk wake up by EXT0 (PIR Hat)
  • ckuehnel

  6
  0
  Votes
  6
  Posts
  831
  Views

  C

  Hi @felmue It was a good idea to replace the PIR by a wire. I have tried that w/o success. I have prepared a Vbat measuring to see if battery is ok when USB is disconnected. The CoreInk had now 3588 loops w/o USB connected. The battery goes from 4.1 V to 3.721 V after all these cycles (one second each). The battery is ok. Thanks again. Claus
• 

  Basic Core V2.4 vs V2.6
  • arzaman

  4
  0
  Votes
  4
  Posts
  599
  Views

  

  Hello @arzaman sorry, but I have no idea. Thanks Felix
• 

  CoreInk - new arrival
  • felmue

  12
  0
  Votes
  12
  Posts
  4972
  Views

  

  Hello @buzali no, at the time I used the Arduino environment for my tests. RTC wakeup should be covered by this example. In UIFlow have a look at the Restart on block. You can find it under Hardwares - Power with M5CoreInk selected as device. Thanks Felix
• 

  [M5 Fire] Wave playing?
  • inrepublica

  10
  0
  Votes
  10
  Posts
  2158
  Views

  H

  @ajb2k3 ok, I see. But thanks for your reply. I post in this forum if I can figure it out
• P

  M5Core detects pressure on key A even if the key was not pressed at all.
  • Peter

  4
  0
  Votes
  4
  Posts
  671
  Views

  P

  @felmue The tip has hit the problem. I have implemented a query of the key A in the callback routine after 1 ms. Only if the key is still pressed the routine is executed. Otherwise nothing is done. Now there are no more key presses from the ghost. Thanks
• 

  Stamp-Pico Arduino lib?
  • vkichline

  4
  0
  Votes
  4
  Posts
  1079
  Views

  

  Felix; thanks for the tip in the Grove pinout; exactly where I was stuck after experimenting.
• A

  Core Ink
  • amxd55

  3
  0
  Votes
  3
  Posts
  957
  Views

  A

  @felmue thanks Felix for your help I now have it working... something was going wrong between moving from USB to battery.
• K

  m5paper vscode platformio
  • kevindtimm

  3
  0
  Votes
  3
  Posts
  1383
  Views

  K

  I have downloaded that and it does work. But, your documentation leaves so much to be desired / it would be great if this could be documented somewhere rather than in a git repo. Some of us do read documentation / and don't necessarily consider git to be documentation.
• D

  M5Stack BASIC - screen turns off when Serial.begin used
  • DavidoZ

  2
  0
  Votes
  2
  Posts
  757
  Views

  

  Hello @DavidoZ why don't you try the provided example? Strictly Serial.begin() isn't needed in setup() as M5.begin() already takes care of that. And for the communication with the SIM7600 you'll need to open Serial2. See above example. Thanks Felix
• T

  ESP32 Basic Core restarts every few seconds
  • thkfighter

  2
  0
  Votes
  2
  Posts
  1016
  Views

  

  Hello @thkfighter if you're asking whether there are people using M5Stack Basic Core successfully with UIFlow then the answer is yes and no. I am sure there are many successful cases out there but there probably are some unsuccessful cases as well. For M5Stack Basic Core resetting every few seconds many reasons come to mind: weak power supply, UIFlow firmware not properly burned, incorrect UIFlow firmware, WiFi credentials incorrect, weak WiFi signal and yes, faulty hardware. Without a little more information it is very hard to diagnose the particular issue your M5Stack Basic Core is suffering from. Could you give a little more information? For instance is there anything in M5Burner log? Is there anything on the screen? If yes, does the WiFi symbol turn from red to green? Thanks Felix
• A

  Core Ink Wake Up button from Deep Sleep
  • alexylem

  2
  0
  Votes
  2
  Posts
  939
  Views

  

  Hello @alexylem only so called RTC_GPIOs can wake ESP32 from deep sleep. Unfortunately GPIO_NUM_5 is not one of them. Please check out page 15 - Pin description of the ESP32 datasheet. Thanks Felix
• M

  M5Paper end of life?
  • murraypaul

  11
  1
  Votes
  11
  Posts
  4244
  Views

  

  Hello guys there is a new version, M5Paper V1.1, available in the M5Stack store. It seems to be more or less identical with the original version, maybe except for the e-Ink screen panel? Does anyone understand below comment from the M5Paper product description? 'M5Paper v1.1 adopts flexible e-Ink screen panel, which is the same model as that of M5Paper v1.0 hard e-Ink screen panel. All features and specs are the same for both models.' Is the new and old version actually the same or not? And what is the difference between a flexible and a hard e-Ink screen panel? Thanks Felix
• P

  Reboot ESP32 Basic Core IoT on battery/USB
  • PierreD

  6
  0
  Votes
  6
  Posts
  1762
  Views

  P

  Hello Wold101, Thanks for your answer. I need to continue to use the M5Stack Core as I have made some backplane electronics and need to use the M5Stack stock. I didn't know about this post and I already used a diode and had a bug with the ESP. Probably this problem of low battery charge. The idea is great to use a MAX40200 but it requires extra wiring. I tried with a capacitor. I have some 4700µf in stock at 63V. I like this solution, no modification and it works well. I will test it over several days.
• B

  esp now between gray core and stick
  • bigpotatobrain

  4
  0
  Votes
  4
  Posts
  1884
  Views

  R

  I use this code in stickc as esp receiver for debug. And on other atom lite i use only broadcast datablock with convert to str block with my message. And its works.