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  • 06/06/2021

    Envío rápido, llegó bien empacado. Junta si bastante buena calidad

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  • 21/01/2018

    Arrived well packaged in bubble wrap outside and antistatic sealed bag inside with two rows of pins to solder if needed. Comes with 'Hello World' program that loops through as soon as you connect it giving a demo of the monochromatic OLED capabilities. Impressive touch for out-of-box experience. Where is source of demo program - I would like to know? Sadly the two push button switches are on bottom which is a real nuisance when you are designing/debugging with breadboard. Has AMS1117 3.3v 1A LDO regulator on PCB. OLED on mine appeared straight and fully functional with peel-off protector film. Ideal output for debugging and status display on device. Massive improvement in bang-for-buck value over ESP8266 with WiFi and BlueTooth capabilities. Make sure you upgrade your firmware to latest before deploying to fix internal bugs. Buy again? Yes

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  • 17/08/2019

    ESP32 mit aufgebautem OLED Display Das Preis - Leisungsverhältnis ist gut. Aber leider ist die Qualität meine Moduls nicht die Beste. Ausserdem stört mich die Anordnung der kleinen Tasten auf der Rückseite. Sie sind nicht sehr benutzerfreundlich. Auch ist das Modul nicht für das Steckbrett geeignet. Ich habe zu dem Bauteil ein Video gemacht: https://youtu.be/BbZK9t6pywQ ----------------------------------------- ESP32 with OLED display The price-performance ratio is good. But unfortunately, the quality of my module is not the best. I am also bothered by the arrangement of the small buttons on the back. They are not very user-friendly. Also, the module is not suitable for the breadboard. I have made a video of the component: https://youtu.be/BbZK9t6pywQ

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  • 12/01/2019

    Takes some time to get used to when migrating from ESP32 to ESP8266. But once you are familiar with changes in the SDK it codes just as easy as before. The board was tested by me in Wifi and OLED functionality. It runs super smooth and my final verdict is: EXCELLENT. However slow shipping of 38 days, instead 20 days as in description. Thanks for good packaging.

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  • 12/09/2017

    Let me say first this SOC is truly amazing and the combination with an OLED is ideal for powerful devices with small footprint. However the physical layout of the module and the manufacturing quality makes me sad. The OLED glued misaligned to the surface tickels my OCD and the placement of the Voltage regulator too far to the edge (and connector) makes me hate the board designer. Said that it's still a nice module for a lot of projects that need a small display. You get what you pay for.

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  • 14/06/2019

    It is a cheap and excellent board. You can download sample programs from Arduino. (Refer to the attached photo) I had a hard time getting it to work because there was no hard compromise. You can not write unless you press the EN button on the board for about 3 seconds when writing a program.

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  • 20/07/2020

    Producto como descripción. Probado bien trabajando como se esperaba. Probado algunos proyectos muy interesantes con este tablero OLED Esp32. Muchos tutoriales en yt. Buena calidad. Reccomendar.

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  • 11/09/2017

    These are great, just ordered another 2. OLED is a SSD1306 I2C display. pin 5 is SDA, pin 4 is SCL. Yes everyone is going on about them not being genuine Wemos but that's open hardware folks. They work great the only thing I dont like is the buttons on the underside of the board so you have to bear that in mind when prototyping on breadboard.

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  • 06/09/2017

    I have recieved this module very fast and undamaged in a large amount of package material. It is a small ESP-Whoom-32 dual core packed with a lot of features like WiFi and Bluetooth. It even has a onboard clear white 128×64 display. Upon power on the board runs a demo sketch on the screen. Thank you for delivering a high quality item!

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  • 04/03/2021

    Por fin tengo la pantalla funcionando... Se utilizó esta biblioteca http://rinkydinkelectronics.com/library.php?id=79 Es importante ajustar los números de pin correctos en los ejemplos para que se adapten a este tablero i.e. // Es importante establecer la línea siguiente en 5,4 CB OLED myOLED(5,4); // Recuerde añadir el pin RESET si su pantalla lo requiere... También hay un vídeo de YT - pero está en alemán https://www.youtube.com/watch?v=BbZK9t6pywQ&ab_channel=MeinElektronikHobby Agradecimiento al Sr. Henning Karlsen por la Biblioteca

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