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Variante STM32F746IG para...

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Oficial Video Playback FT...

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Forum: Library GD23ZU
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  [SOLVED] Reset Power up issue with HOTMMCU FT811CB
Posted by:  raufjay - 27-02-2018, 02:05 55 - Forum: Codigos - Replies (7)

I got 4x FT811CB,  5" with capacitive touch from the HOTMCU.

The screen is working ok. But there is a problem.
When we reset or re-power, screen is just blank, then we have to touch or move a little the wires on the screen. Then screen starts up.

We tried many many times, with shortest wires of just 7cm. We tried with the FTC connector/wire which came alongwith the LCD, we tried with 10pin IDC cable/connector, we tried with single/one by one cable with the same result. 

We tried with many different controller boards, with different reset schemes.

Please do let us know how to overcome this issue.

Does any of you have any such issue? or can suggest me what are we doing wrong.
I have total 5 screens, 4x FT811CB and one is FT800CB 4.3". The 4.3" with FT800 is working fine and does not have this problem. But all 4 FT811CB 5" has the same issue.



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  Toggle test
Posted by:  raufjay - 26-02-2018, 03:18 01 - Forum: Codigos - Replies (3)

# include <EEPROM.h>
# include <SPI.h>
# include <GD2UB.h>

uint16_t togchk=1,toggle=0;
bool btenm;

void setup()


void loop()
GD.cmd_gradient(0, 40, 0x282830,0, 272, 0x606040);
GD.cmd_text(240, 100, 31, OPT_CENTER, "Toggle Test");
//uint16_t val, range;

 GD.Tag(10);                                 // Wifi ON/OFF toggle switch
       GD.cmd_toggle(240,260,80,30,0,toggle,"OFF" "\xff" "ON  "); // Wifi ON/OFF

 switch (GD.inputs.track_tag & 0xff)
   case 10:
   togchk = GD.inputs.track_val *2L /65536;  //value = GD.inputs.track_val;
   if (togchk != 0)
   btenm = 1;
   btenm =0;
Serial.print("btenm"); Serial.println(btenm);
Hello, I tried with Toggle switch.

I wanted to read toggle switch and if it is ON, a flag btenm will become one. And if the toggle switch turns off, the flag btenm become zero.

I tried to code it, and it works ok. Can you please check and let me know if there is any impvoement possible?

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  microSD reader for ESP32
Posted by:  lightcalamar - 23-02-2018, 14:06 01 - Forum: ESP32 - No Replies

Hello everyone.

To be investigating to put microSD reader, to have in library for ESP32 and FT81x to make work the assets and images. At the moment go very well. I find from this link IoT Sharing a library to work very well with ESP32, also it is very configurable, we can put the analog pins in any of them to make the SPI bus constructor for the reader.

Until today the tests are very good. the reader module used is this;



Buy to this link manufactured by WareShare, good reader. Library running attached in post or

The construtor is:
Class SD:
- SD.begin(uint8_t cs , int8_t mosi , int8_t miso , int8_t sck): initialize library with SPI pins
for example,
 while (!card.init(SPI_HALF_SPEED, 17, 27, 26, 16)) {                                   

100% recommended. I will carry out tests to adapt to the GD2ESP library

Attached Files
.zip (Size: 58.35 KB / Downloads: 3)
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Thumbs Up New library GD2ESP32 for FT810
Posted by:  lightcalamar - 20-02-2018, 20:56 50 - Forum: ESP32 - Replies (7)

Library for MCU ESP32.

This new library does NOT support microSD reader at the moment, it is an initial phase to make it work with the example and see that it works with any type of the many that there is in the market.

The tests have been satisfactory with ESP32, models DOIT and NODEMCU ESP32-S (v1.1)

Soon to implement new functions in the library.
More changes to repository

Greetings.  Sleepy

Attached Files
.zip (Size: 276.48 KB / Downloads: 4)
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  [SOLVED] Test playback video with error
Posted by:  lightcalamar - 16-02-2018, 15:06 09 - Forum: Teensy - Replies (1)

Este video demuestra que Teensy 3.5 puede reproducir videos sobre pantallas FT81x.

Es el comienzo...

Seguirá ...

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