esp32 lcd screen made in china

WTPHMIMainBoard is a development board for visual touch screen. The board is equipped with self-developed firmware of GUI platform, It supports graphical drag-and-drop programming to help users complete the development of customized control platform. The WTPHMIMainBoard development board master uses the ESP32-WROVER-B module, The module is a general-purpose Wi-Fi+BT+BLE MCU module, which is equipped with 4MB SPI Flash and 8MB PSRAM. The WTPHMIMainBoard development board can also develop and debug buttons, voice, camera and other functions through the extended interfaces on both sides, which greatly shortens the development cycle of users.

The TFT display is a kind of LCD that is connected to each pixel using a transistor and it features low current consumption, high-quality, high-resolution and backlight. This 2.8-inch full color LCD has a narrow PCB display. The resolution is 320×280 pixels and it has a four-wire SPI interface and white backlight.

ESP32 is engineered to be fast, smart and versatile. ESP-WROVER-KIT is an upgraded version of the ESP-WROVER-KIT. Its PSRAM is increased to 8 MBytes, while this dev board also features an on-board high-speed Micro-SD card interface, a VGA camera interface, a 3.2” SPI LCD panel and I/O expansion capabilities.

ESP32-DevKitM-1 is a ESP32-MINI-1-based development board produced by Espressif. Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-DevKitM-1 on a breadboard.

The ESP-WROVER-KIT comes with an ESP32-WROVER-E module by default. This board features support for an LCD and MicroSD card. The I/O pins have been broken out from the ESP32-WROVER-E for easy extension. The board carries an advanced multi-protocol USB bridge (the FTDI FT2232HL), enabling developers to use JTAG directly to debug the ESP32 module through the USB interface. The development board makes secondary development easy and cost-effective.

ESP32-PICO-KIT is Espressif"s smallest development board, as it fits into a mini breadboard. It is fully functional with the minimum number of discrete components, while it has all the ESP32 pins exposed.

ESP32-PICO-V3-ZERO-DevKit is a development board based on ESP32-PICO-V3-ZERO (ACK) module. Its pin layout is compatible with that of Arduino Zero development board, therefore, this ESP32-PICO-V3-ZERO-DevKit can directly plug in Arduino Zero board, or connect with other host boards and peripherals via jumper.

ESP32-PICO-DevKitM-2 is a ESP32-PICO-MINI-02-based development board produced by Espressif. Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-DevKitM-1 on a breadboard.

ESP-EYE is a development board for image recognition and audio processing, which can be used in various AIoT applications. It features an ESP32 chip, a 2-Megapixel camera and a microphone. ESP-EYE offers plenty of storage, with an 8 MB PSRAM and a 4 MB flash. It also supports image transmission via Wi-Fi and debugging through a Micro-USB port.

The ESP32-LyraT development board is designed for the speech and voice recognition market. It integrates the ESP32-WROVER-E module, which includes a dual-core processor and 4.5 MB of operating memory. With this development board, only few peripheral devices are required for implementing a highly-integrated audio solution.

ESP32-LyraT-Mini is a lightweight audio development board based on ESP32-WROVER-E, which implements AEC, AGC, NS WWE (wake word engine) and other audio signal processing technologies.

ESP32-LyraTD-MSC, one of Espressif’s Audio Development Boards, is an Acoustic Echo Cancelation (AEC) solution supporting voice recognition, near-field and far-field voice wake-up. Audio files in the format of AAC, FLAC, OPUS and OGG can be decoded and output without quality loss. It also supports connection to Baidu"s DuerOS and Amazon"s Alexa Voice Service (AVS).

ESP32-LyraTD-SYNA is one of Espressif’s Audio Development Board based on ESP32 MCU and Synaptics DSP. It is an Acoustic Echo Cancelation (AEC) solution, supporting voice recognition and voice wake-up. It also supports connection to Amazon’s AVS (Alexa Voice Service), Google"s Dialogflow and Google"s GVA (Google Voice Assistant).

ESP32-LyraTD-DSPG is based on ESP32-WROVER-B, a BT/Wi-Fi combo module, and a digital signal processor (DSP) that features a three-microphone array for noise reduction, echo cancellation, beamforming and wake-word detection. ESP32-LyraTD-DSPG is integrated with peripheral devices and consists of two development boards. The sub board mainly consists of the microphone array, function keys and LEDs. The main board is integrated with power management, Wi-Fi and audio modules like dsp, codec and power amplifier. The two boards can be connected with FPC.

ESP32-Vaquita-DSPG is Espressif’s new Alexa built-in solution powered by ESP32 and DSP Group’s DBMD5P audio SoC. With a 2-Mic array which allows for a 360-degree pick-up, the solution provides a superior far-field voice recognition performance. The new ESP32-Vaquita-DSPG development kit is a turnkey solution for easily creating Alexa built-in connected devices that provide out-of-the-box voice enablement and AWS-IoT cloud connectivity.

ESP32-Korvo is an ESP32-based audio development board with microphone array, together with Espressif"s speech recognition SDK ESP-Skainet, ESP32-Korvo is suitable for far-field speech recognition applications with low power consumption. ESP32-Korvo is composed of two boards connected by an FPC cable: the main board contains ESP32-WROVER-E module, power port, micro SD card slot, earphone and speaker connectors; the sub board contains microphone array, function buttons and LEDs.

ESP32-Korvo-DU1906 is an Espressif audio development board with an ESP32-DU1906 module as its core. This board is designed not only to provide advanced end-to-end audio solutions with highly efficient integrated AI capabilities as well as a Cloud + End integrated device-level AIoT platform, significantly lowering the barrier to entry for IoT devices to AI capability.

ESP32-LCD-Kit is an HMI (Human Machine Interface) development board based on ESP32-DevKitC (need to purchase if you didn’t have one). ESP32-LCDKit is integrated with such peripherals as SD-Card, DAC-Audio, and can be connected an external display. The board is mainly used for HMI-related development and evaluation. Development board reserved screen interface type: SPI serial interface, 8-bit parallel interface, 16-bit parallel interface.

ESP32-Ethernet-Kit is an ESP32-based development board produced by Espressif. It consists of two development boards, the Ethernet board A and the PoE board B, The Ethernet board contains Bluetooth / Wi-Fi dual-mode ESP32-WROVER-E module and IP101GRI, a Single Port 10/100 Fast Ethernet Transceiver (PHY). The PoE board (B) provides power over Ethernet functionality. The A board can work independently, without the board B installed.

ERM19264_UC1609_TEXT, Library for ERM19264-5 v3 LCD (UC1609C controller) for the Arduino eco-system. This is a light weight, text only version of the main ERM19264_UC1609 library.

M5StickC is a mini M5Stack, powered by ESP32. It is a portable, easy-to-use, open source, IoT development board. What it can do? This tiny block is able to realize your idea, enlighten your creativity, and help with your IoT prototyping in a very short time. It will take away a lot of pains from the development process.M5stickC is one of the core devices in M5Stack product series.

As a 2inch IPS display module with a resolution of 240 * 320, it uses an SPI interface for communication. The LCD has an internal controller with basic functions, which can be used to draw points, lines, circles, and rectangles, and display English, Chinese as well as pictures.

The 2inch LCD uses the PH2.0 8PIN interface, which can be connected to the Raspberry Pi according to the above table: (Please connect according to the pin definition table. The color of the wiring in the picture is for reference only, and the actual color shall prevail.)

The LCD supports 12-bit, 16-bit, and 18-bit input color formats per pixel, namely RGB444, RGB565, and RGB666 three color formats, this demo uses RGB565 color format, which is also a commonly used RGB format.

For most LCD controllers, the communication mode of the controller can be configured, usually with an 8080 parallel interface, three-wire SPI, four-wire SPI, and other communication methods. This LCD uses a four-wire SPI communication interface, which can greatly save the GPIO port, and the communication speed will be faster.

The fill color of a certain window in the image buffer: the image buffer part of the window filled with a certain color, usually used to fresh the screen into blank, often used for time display, fresh the last second of the screen.

2. The module_init() function is automatically called in the INIT () initializer on the LCD, but the module_exit() function needs to be called by itself

Python has an image library PIL official library link, it do not need to write code from the logical layer like C, can directly call to the image library for image processing. The following will take 1.54inch LCD as an example, we provide a brief description for the demo.

This tutorial shows how to use the I2C LCD (Liquid Crystal Display) with the ESP32 using Arduino IDE. We’ll show you how to wire the display, install the library and try sample code to write text on the LCD: static text, and scroll long messages. You can also use this guide with the ESP8266.

Additionally, it comes with a built-in potentiometer you can use to adjust the contrast between the background and the characters on the LCD. On a “regular” LCD you need to add a potentiometer to the circuit to adjust the contrast.

Before displaying text on the LCD, you need to find the LCD I2C address. With the LCD properly wired to the ESP32, upload the following I2C Scanner sketch.

After uploading the code, open the Serial Monitor at a baud rate of 115200. Press the ESP32 EN button. The I2C address should be displayed in the Serial Monitor.

Displaying static text on the LCD is very simple. All you have to do is select where you want the characters to be displayed on the screen, and then send the message to the display.

The next two lines set the number of columns and rows of your LCD display. If you’re using a display with another size, you should modify those variables.

To display a message on the screen, first you need to set the cursor to where you want your message to be written. The following line sets the cursor to the first column, first row.

Scrolling text on the LCD is specially useful when you want to display messages longer than 16 characters. The library comes with built-in functions that allows you to scroll text. However, many people experience problems with those functions because:

In a 16×2 LCD there are 32 blocks where you can display characters. Each block is made out of 5×8 tiny pixels. You can display custom characters by defining the state of each tiny pixel. For that, you can create a byte variable to hold  the state of each pixel.

In summary, in this tutorial we’ve shown you how to use an I2C LCD display with the ESP32/ESP8266 with Arduino IDE: how to display static text, scrolling text and custom characters. This tutorial also works with the Arduino board, you just need to change the pin assignment to use the Arduino I2C pins.

We hope you’ve found this tutorial useful. If you like ESP32 and you want to learn more, we recommend enrolling in Learn ESP32 with Arduino IDE course.

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"Upper layer" main development board contains ESP32-PICO-D4 SiP, battery connector & charger circuit with LiPo charge status LEDs, Reset & pull-up IO0 buttons, and a green LED on GPIO4.

Clone of the SparkFun ESP32 Thing board. Compact ESP32 based development board with battery connector, and the typical development board component accoutrements.

Version 2.0 of this board (1) corrected polarity labeling on bottom silk-screened battery symbol and (2) changed the LiPo battery connecter direction.

The ESP32-LyraTD-MSC Audio-Mic HDK (hardware development kit) combines the ESP32-LyraTD-MSC ("audio-mic development board") with a secondary "top" board.

The ESP32 touch sensor development kit, ESP32-Sense Kit, is used for evaluating and developing ESP32 touch sensor system. ESP32-Sense Kit consists of one motherboard and multiple daughterboards. The motherboard contains a display unit, a main control unit and a debug unit. The daughterboards have touch electrodes in different combinations or shapes, such as linear slider, wheel slider, matrix buttons and spring buttons, depending on the application scenarios. Users can design and add their own daughterboards for special usage cases.

ESP32 development board with ePaper display, TI PCM5102A DAC, ICS43434 MEMS Microphone, CP2102N USB-to-UART bridge, microSD card slot, and LiPo charger.