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  • 01/03/2018

    This board works great, I was able to get both the WiFi and the OLED up and running. The OLED is a bit tricky, it's not connected to the standard I2C pins, its SDA pin is 4 and SCL pin is 15. You can set this up by adding Wire.begin(4, 15) to your setup code. The display's I2C address is 0x3C. You will also need to use the OLED_RST pin to enable the display: pinMode(16,OUTPUT); digitalWrite(16, LOW); delay(50); digitalWrite(16, HIGH); After applying these settings I2CScan can find the display and most SSD1306 Arduino libraries work (for example the Adafruit SSD1306 works after changing Wire.begin() to Wire.begin(4, 15) and setting the reset pin and the I2C address).

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  • 15/05/2019

    Works. I've read some overcomplicated about the display. I got it to work with U8g2lib. I used the following constructor line: U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE, /* clock=*/ 16, /* data=*/ 17); this has to be changed to the right pins so it becomes: U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ 16, /* clock=*/ 15, /* data=*/ 4); This got it working for me with the usual U8g2lib functions.

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  • 23/04/2018

    Module works good so far. Next is to exercise the complete flash. Thanks to eagle for the message below how to get the OLED operating.

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  • 15/01/2020

    Très bonne planche, mais a quelques chutes. Vous ne pouvez pas éteindre la carte et charger la batterie en même temps. Aussi matériel série 2: GPIO 16 et 17 ne fonctionnent pas tout en utilisant l'OLED, pour résoudre ce problème, j'ai utilisé fil de cavalier de sorte que le rst OLED est connecté à 3V, et couper la trace à GPIO 16. En dehors de cela, c'est une très bonne planche pour un prix encore plus élevé!

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  • 09/03/2018

    Works great. here is how to get working with arduino IDE: https://github.com/espressif/arduino-esp32#installation-instructions Also, LCD might be a bit tricky install library: "ESP8266 and ESP32 Oled driver for SSD1306 display" Look at my attached pictures for minimum demo.

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  • 29/12/2017

    It looks good at first glance The screw is very close to the antenna, I hope that is not a problem

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  • 18/11/2017

    BG, the pinout image above doesn't match the silkscreen numbering on my board. So I don't know how to use it. Please supply the schematic. Also, please publish the source for the program that's running on board. That would be helpful. Without the schematic and sample code, these boards are not usable.

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  • 06/01/2018

    Thanks for the product, works great, had no problem getting display to work based on other users comments, i do have an issue with the battery charging circuit - my lipo battery does not seem to be charging. Is there something specific that needs to be done in order to have charging circuit working when connected using usb cable?

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  • JayVIP3
    CA
    10/05/2018

    Very good price and quality

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  • 26/04/2019

    Очень быстро доставили(СDEK прямо к дверям квартиры).Очень шикарно упаковано(хоть с десятого этажа бросай).Проверил сразу---все работает.Огромное спасибо продавцу!!!!Все отрицательные отзывы для меня ---бред!Работают круче чем Аli.Наверное спасибо конкурентной борьбе....:):):)

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