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    • G

      T5 4.7 e-paper missing library:
      Build environment • • gfaman

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      @gfaman said in T5 4.7 e-paper missing library::

      hal/rmt_ll.h:

      hey, I just had the same problem. just comment this header, and everything will compile correctly.
      arduino already have these headers.

    • S

      TTGO TCALL SIM800L+SDCARD
      Technical Discussion • • sasetcolombia

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      @sasetcolombia You need to use unused IO pins. For example the IO2、15、18、19....... This can be seen in the schematic diagram

    • H

      How to rotate display from landscape to portrait in lilygo T5 4.7 inch e-paper
      Technical Discussion • • hayden

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      To achieve this function, it needs to be implemented in software to rearrange the pixel arrangement. Or you can use lvgl, for screen rotation.

    • M

      Deep sleep mode
      Technical Discussion • • Melo

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      L

      Please use this app to test. https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/tree/master/examples/SleepTest

    • M

      Freeware Paraglidin Variomere based on LilyGO EPD-47 and Blufly TTL Vario
      Events • • MartinO

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      Added relevant links in https://github.com/Xinyuan-LilyGO/LilyGo-EPD47

    • J

      LilyGo sim7000 DS18B20
      Technical Discussion • • JimH

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      @jimh
      Hello, pins above 34IO can only be used as input

    • T

      How to receive SMS with t-call
      Technical Discussion • • tcccorp..

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      @tcccorp 1. To set the local SMS center: AT+CSCA=""+ Press Enter, return OK. For details, consult your carrier.
      2. AT+CMGF=1: Set the SMS mode to TEXT.
      3.AT+CMGS="phone number"< enter >, set the receiver phone number, then return: ">",
      Send desired content, such as "Send Massage Test!" You don't need a carriage return at the end,
      After editing the SMS message, send the message in hexadecimal format 1A (1A is the key value of CTRL+Z, which tells the module to send the message.
      You can also send 1B, that is, "ESC" to cancel the operation.) After the sending is successful, the module returns +CMGS: 15 to confirm the successful sending.

    • M

      How to calibration the t-watch touch screen
      Technical Discussion • • macauhome

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      The factory firmware uses MY-TTGO-WATCH firmware, the original firmware offset touch coordinates is too large, you can refresh the firmware in TTGO_TWatch_Library , it should work fine, if you want to recompile the firmware, you can change the scaling here My-TTGO-Watch

    • P

      T-sim7600E don't recognize SD card
      Technical Discussion • • papbo

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      @papbo What is your current ESP32 version? Try upgrading?

    • M

      ESP32 TWatch 2020 V1 Touchscreen Issues
      Technical Discussion • • MattMadness

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      You mean put the watch on the table, touch the panel and it will move by itself?
      You can try to write TouchPad Example into the watch, then put it on the desktop without touching it, and check whether the coordinates on the screen will change. If it changes by itself, please contact customer service for after-sales processing.

    • J

      Serial communications not working for my board
      Technical Discussion • • js4IoT

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      Is the driver for CH340 installed? Is the correct baud rate used?
      Driver download link
    • W

      Can the TTGO be powered by a li-ion battery?
      Technical Discussion • • Winfried

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      @winfried Hi. You can use the 3.7V battery in your picture to power the T-display, note the +, — signs.

    • G

      Check board main power fail when battery backup is present.
      Technical Discussion • • Gandalf

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      @gandalf Hi. The USB port has no detection circuit design.

    • Y

      S76G dongle edition
      Technical Discussion • • Yu

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      @yu Hi. The test range requires one transmission and one reception to perform the range test, and care should be taken to choose an open and unobstructed place. The sender can be placed in a high place if allowed.

    • J

      10000 mAh Li-Po battery with TTGO T-Call&PMU SIM800L ?
      Product information • • jezerca

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      @jezerca said in 10000 mAh Li-Po battery with TTGO T-Call&PMU SIM800L ?:

      Hi all,
      Expect the long charging time, would there any problem to use such kind of battery? Does the AXP192 board support it?

      Hi. You can use this 3.7V battery, the default charging current is 500ma, you can modify it by programming.

    • G

      Full pinout for TTGO Lora32 V2.1-1.6.1
      Product information • • Gulpman

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    • M

      LILYGO ESP32 CAN RS485 T-CAN485
      Technical Discussion • • mhanusek

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    • V

      PlatformIO IDE
      Technical Discussion • • Valdecir

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    • C

      T-OI plus ESP32-C3 Deep Sleep
      Product information • • ckuehnel

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    • C

      T-OI plus ESP32-C3
      Product information • • ckuehnel

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