nodemcu esp8266 1.8 tft lcd quotation

I am using the 1.8″ color ST7735 TFT display a lot. The reason for that is that this display is very easy to use, it costs less than $5 and it offers color! At the back, the display has an SD card slot.A brief summary of the pins (adapted from Adafruits thorough summary):

RST – this is the TFT reset pin. Connect to ground to reset the TFT! Its best to have this pin controlled by the library so the display is reset cleanly, but you can also connect it to the Arduino Reset pin, which works for most cases.CS – this is the TFT SPI chip select pinD / C – this is the TFT SPI data or command selector pinDIN – this is the SPI Master Out Slave In pin (MOSI), it is used to send data from the microcontroller to the SD card and / or TFTSCLK – this is the SPI clock input pinVcc – this is the power pin, connect to 5VDC – it has reverse polarity protection but try to wire it right!LED – this is the input for the backlight control. Connect to 5VDC to turn on the backlight.GND – this is the power and signal ground pinNow that we know what we’re dealing with it’s time to start wiring!

Pins D5 (GPIO14) and D7 (GPIO13) are hardware SPI module pins of the ESP8266EX microcontroller respectively for SCK (serial clock) and MOSI (master-out slave-in).

The first library is a driver for the ST7735 TFT display which can be installed from Arduino IDE library manager (Sketch —> Include Library —> Manage Libraries …, in the search box write “st7735” and install the one from Adafruit).

Project hardware circuit should give the same result as the one shown in the following video where Arduino UNO board is used (NodeMCU is much faster than Arduino UNO):

The ST7789 TFT module contains a display controller with the same name: ST7789. It’s a color display that uses SPI interface protocol and requires 3, 4 or 5 control pins, it’s low cost and easy to use.

Pins D5 (GPIO14) and D7 (GPIO13) are hardware SPI module pins of the ESP8266EX microcontroller respectively for SCK (serial clock) and MOSI (master-out slave-in).

The first library is a driver for the ST7789 TFT display which can be installed from Arduino IDE library manager (Sketch —> Include Library —> Manage Libraries …, in the search box write “st7789” and install the one from Adafruit).

It wasn’t necessary for the ESP8266, installing that into the Arduino IDE was just a case of entering an address into the additional boards manager URLs box under the preferences tab and it all happened.

“The ESP32 is currently being integrated with the Arduino IDE just like it was done for the ESP8266, but not everything is working at the moment (see here).”

I agree with you Stefan, the ESP32 is not as easy as the ESP8266 to integrate with the Arduino IDE, but if you follow this exact tutorial you should be able to prepare your Arduino IDE with the ESP32 boards.

You d’man, unless of course you are a girl, then you d’girl! I have had two of these in my parts box now since they came out, and never could get them running. I have been to dozens of sites with step-by-step instructions and although I can build a computer from scratch, and have done so, on a dare, and I have beat lawayers in court when acting as a paralegal, I could not get the blasted things to work. This one has guided me, and works great. The first unit I tried, both brand new, failed to work at all, and I thought, well just like the rest of the instructions, but just for shits and giggles, I grabbed my second unit, and IT WORKS!!!! Thanks a billion now I can have fun with my ESP32 as well as my ESP8266’s (I have about a dozen doing chores around my house and reporting back) and my Arduinos that are serving several devices I made for our RV to use when on the road, such as my home built GPS, my leveling device since the built in one only works once in awhile, and other little toys that make my wife of 48 years giggle when I press the buttons on my remotes.

\packages\esp8266\tools\xtensa-lx106-elf-gcc\1.20.0-26-gb404fb9-2\xtensa-lx106-elf\include\c++\4.8.2\xtensa-lx106-elf\bits to C:\Documents and Settings

I ran into the same issue and couldn’t resolve for the life of me. Turns out I have been shipped (twice, now) an ESP8266 in an ESP32 packaging. Configuring for the ESP8266 solved my issue, naturally. Throwing this out there in case this same thing happened to others.

Qualquer sketch feito para a plataforma Arduino, é possível usá-lo com o esp32 ou esp8266? Se não, o que deve ser mudado e/ou acrescentado no código para tal? Muito obrigado

Installing 1.8.9 resolved the problem. Make sure you put the new library source under your preferences, Additional Boards Manager box (shown above in blue, if you have a 8266 one already there separate by commas). So it should read “https://dl.espressif.com/dl/package_esp32_index.json, http://arduino.esp8266.com/stable/package_esp8266com_index.json” – without the double quotes.

I am using the latest Arduino IDE version 1.8.9. and I am using a Node MCU ESP 32. I am using I2C the serial protocol and have wired correctly to the CLK and SDI pins. I am using a MacBook Pro.

Arduino: 1.8.12 (Windows 10), Board: “ESP32 Dev Module, Disabled, Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS), 240MHz (WiFi/BT), QIO, 80MHz, 4MB (32Mb), 921600, None”

I try to install esp32 and esp8266 in arduino ide, i follow your instuctions, my laptop is a lenovo g580 with ubuntu 18.04 but i have a problem with esp32 when i try to run the wifi scan sketch from the examples. The esp8266 is running whithout any problem.

Arduino: 1.8.12 (Linux), Board: “ESP32 Dev Module, Disabled, Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS), 240MHz (WiFi/BT), QIO, 80MHz, 4MB (32Mb), 921600, None”

I was tried all these thinks but nothing was happen. The most odd fact is that before 3 months i set up two ESP8266 (WEMOS D1 & NODE MSU) and an ESP32 (i don’t know witch board) and all of them works until now with my wifi settings, but i cant change anything after the blocking of arduino IDE.

Not sure if this helps, but I’m programming an ESP32 through the arduino IDE and I don’t see the option for “ESP32 by Espressif Systems”. Mine is the ESP32 NodeMCU. And I select the board “Node32s”. Works fine for me.

I followed above mentioned link but still facing same error, the exact error is: “Arduino: 1.8.15 (Windows 7), Board: “DOIT ESP32 DEVKIT V1, 80MHz, 921600, None”

Hi i am getting error, what am I doing wrong. Could not find boards.txt in C:\Users\14168\Documents\Arduino\hardware\espressif\cores. Is it pre-1.5?

I tried it on a new iMac and get the same issue. So I must be installing the ESP32 support wrong. The IDE works file with Arduino and Adafruit boards. I also have a ESP8266 working fine through the IDE.

For an upcoming new project I wanted a colour (UK spelling) LCD screen (ideally OLED), 256×256 (or greater) resolution and nice and cheap. It was not an easy 2 minute task. There were no OLED screens offering what I wanted (that I could see at the time). So compromises were made, in the end I purchased a 128×128 pixel screen (none OLED) for around $3.50 (£3.20, 3.50 Euro). Not as cheap as I thought I might get one for but the cheapest I could find. There were a lot of sellers offering this screen and it’s shown below.

Due to the planned game being more advanced than Space Invaders I needed a processor with more memory and speed than the Arduino could offer. Enter the ESP8266 processors which offer faster speeds and lots and lots more memory. Wifi is also available but will not be required for this project unless we implemented a World High Score Table perhaps! There are newer versions, ESP32, available with even more power but are more expensive and we don’t need that level of performance for this project. I’m using a NodeMCU from Lolin, which is basically a breakout board for the ESP8266 so that you can use it easily on breadboards or small production runs using through hole.

Power is self explanatory. LED adds a little extra brightness to the screen but it does still work if not connected. I’ve seen resistors added in series here and even variable ones to vary the brightness but I’ve ran it directly connected on this screen with no issues and wouldn’t want it dimmer as its not ultra bright. It is actually on even when not connected giving adequate brightness in my opinion. SCL is the SPI clock and goes to the NodeMCU’s hardware SPI pin (pin D5). SDA is actually the SPI MOSI connection and goes to the NodeMCU’s SPI MOSI pin (D7). RS is a Regsiter Select pin for ST7735 driver chips, this maps to a variable called TFT_DC in the Adafruitcode (explained later) that I was using for testing. This controls whether we are sending a command to the ST7735 chip or actual data. I think that Adafruit call it DC meaning Data Control, but I’m not sure. On some boards it may even be referred to as A0. For our purposed we connect it to D4. RST is the screen reset and and is connected to pin D3. These last two can connect to any NodeMCU pins that are not used for other functions. CS is Chip Select (usually referred to as Slave Select in the SPI protocol) and again can connect to any pin but I use D2. If this is pulled low then this device can receive or send data on the SPI bus. If only one device in your design you could pull this low permanently and not use D2.

Load up the example code that should now be available at “Files->Examples->XTronical ST7735 Library->GraphicsTestESP8266”. This is basically the Adafruit example with just some tiny changes (It goes through all the tests for each rotational position of the screen) so that it uses the new driver file and slightly altered initialisation routine.

There is an issue with the line drawing routine within the Adafruit GFX library, so this part of the original demo was removed. Basically it forces the NodeMCU to reset. As I’m not going ot be using this I’ve decided for now to ignore this issue.

In the previous article (“WiFi OLED Mini Weather Station with ESP8266“) I have used the OLED kit from https://blog.squix.org. And as promised, this time it is about the “ESP8266 WiFi Color Display Kit”:

I had ordered both because I thought that the Color Display kit is needs the other kit as a base. Well, it turned out that both kits work independently. My bad. Actually this is good, as I have now two independent ESP8266 weather stations :-). An addition to that, they can exchange data (e.g. temperature/humidity) with a server, so that makes them a perfect dual weather station.

Example code is available on GitHub (https://github.com/squix78/esp8266-weather-station-color). The code is very well documented I had no issues to make all the needed configuration (WiFi SSID and connection settings). After a few  hours I had the ESP8266 weather station up and running in the first prototype of the enclosure:

After a few hours, I have now my second ESP8266 WiFi weather station with touch LCD. It is not looking good and I very much enjoy it. The design is available on Thingiverse (https://www.thingiverse.com/thing:2527282).

Digital Photo frames are usually made up of four main components; a display/screen, a storage device, a microcontroller or microprocessor, and a power supply. For today’s tutorial, we will use the 1.8″ ST7735 based, color TFT as our display and the Arduino nano as the microcontroller. The TFT display is a 1.8″ display with a resolution of 128×160 pixels and can display a wide range of colors ( full 18-bit color, 262,144 shades!). The display uses the SPI protocol for communication and has its own pixel-addressable frame buffer which means it can be used with all kinds of microcontrollers and you only need 4 IO pins.  The display module also comes with an SD card slot which we will use as the storage device for this project.

Beside just building the digital photo frame, at the end of this tutorial, you would have also learned how to use the SD card slot on the 1.8″ TFT display module for other projects.

The ST7735 1.8″ TFT display is made up of two set of header pins. The first one at the top consists of 4 pins and are used to interface the SD card slot at the back of the display.

For this schematic, we used the Fritzing model of the ST7735 1.8″ TFT display and the arrangement of the pins is slightly different from that of our display. This model has the pins of the SD card slot and the display merged together breaking out only their CS/SS pins.

Go over the schematics one more time to be sure everything is as it should be. More on the use of the 1.8″ TFT display was covered in a previous tutorial here.

The images that will be displayed on the TFT has to be in a bitmap format, thus before the images are copied to the SD card, we need to convert them to the recognizable bitmap form. To do this, I used the free Paint.net software (for windows) but you can use any other image editing software.

Load the images into the software one by one and use the resize tool to reduce its resolution and size to that (160×128 pixels) of the 1.8″ TFT display.

The code for this project is a slightly modified version of the SPI TFT bitmap example shipped with the ST7735 library by Adafruit. Thus the code for this tutorial is heavily reliant on the Adafruit ST7735 and GFX libraries.

With this done, we declare the pins of the Arduino to which the CS pins of the SD card slot and the TFT are connected and also create an object of the Adafruit ST7735 library with the declared pins passed on as arguments.

Next is thevoid setup() function. We start by initializing serial communication which will be used to debug our code. After this, we initialize the TFT and the SDcard, setting the rotation of the TFT to landscape (represented by 1).

Next is the void loop function. Here we simply invoke the bmpDraw function for each of the images we will like to display, setting a suitable delay time between each of the pictures. The bmpDraw function makes it super easy to display images on the TFT. All we need to do is to provide the name of the .bmp file, starting coordinates and it will use that information to fetch the image from the SD card and display on the screen.

Ensure your connections are correct, then upload the code to your Arduino.  After a while, you should see the pictures being displayed like a slideshow on the TFT.

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The ili9341 tft module contains a display controller with the same name: ili9341. it’s a color display that uses spi interface protocol and requires 4 or 5 control pins, it’s low cost and easy to use. the resolution of this tft display is 240 x 320 which means it has 76800 pixels. Interfacing esp8266 nodemcu with ili9341 tft display. circuit diagram and arduino code at: simple circuit esp8266 no more more 4:11 esp8266 3.5" tft internet weather. 2.8" touch lcd spi for esp8266 (nodemcu) hey, just finished playing with my new 2.8" spi touch tft and getting it to work with a esp8266 (nodemcu) within the arduino in windows… it wasn’t something that ‘just worked’….i tried to get it to work a couple different ways and finally found a working solution. Here we wire two representative esp8266 boards: nodemcu and wemos d1 mini to a single row 14 pin header, 320*240 tft display that uses the four wire spi interface. figure 1.wiring diagram: 2.8 inch diagonal 320*240 tft display and an esp8266 nodemcu board. ili9143 controlled tft displays. Here is a video instruction how lo upload the files into spiffs of nodemcu(esp8266): tech note 038 esp8266 how to upload files to spiffs . to get the bodmer"s examples running, you need to upload his bitmaps from the data folder to the spiffs of yours esp8266 mcu. the main sketch file is esp8266 draw 565 image2.ino.

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