0.96 inch,Resolution: 128 x 64, View angle: > 160°, Support voltage: 3.3V-5V DC, Power consumption: 0.04W during normal operation, full screen lit 0.08W | Embedded Driver IC: SSD1306. Communication: I2C/IIC Interface, only need two I / O ports | It compatibles with R3 board and Mega, Raspberry pi, 51 MCU, STIM 32, etc. | No backlight is required, and the display unit can be self-luminous. It has ultra-high contrast, bright and clear dots, and it is easy to read even small fonts | There are no fonts embedded in the OLED controller, users can create fonts through font generation software.

The main body of the module is ESP-WROOM-32 module, and the peripheral uses the USB serial port chip CP2102 to expand the micro USB interface, which can be directly debugged by a USB connected computer, and the data transmission is fast and stable. | It has power indicator (red light) and working status indicator (blue light) on it, so you can know the status of the module at any time. | There are two touch buttons, one is reset, the other is enable module to enter the halberd program mode. In addition, the pins on both sides of the development board are convenient for developers to connect and use. | Small size: ESP-32 dual-mode module is compact and easy to embed into your device, it is convenient to use for you.And it is compatible with Arduino IDE. | In addition, the module supports for NodeMCU and other development environments, which expands the range of its resources available and greatly improves the ease of learning and development. Of course, it can also be widely used in Internet of things occasions.

3.2 inches 320x240 pixels RGB colorful display lcd screen. | Support touch screen function, with touch pen inside that you can use it more easily. | Compatible with Arduino R3/Mega controller board,which will improve your project operations. | There is a SD card socket on the back of this screen. | 4-wire SPI Serial,built-in ILI9341driver IC and power supply IC.

3.5 inch, 320×480 resolution, TFT LCD resistive touch screen, not only has good display effect, but also using easily with a touch pen. | No external power supply required.Just plug it into the Raspberry Pi board and you can use it. | This 3.5 inch touch screen is specially designed for Raspberry Pi A, B, A+, B+, 2B, 3B, 3B+,4B versions, supports any revision of Raspberry Pi (directly-pluggable). | Compatible with a variety of systems, such as Raspbian system, ubuntu system, kali Linux system and so on. | You can get one 3.5 inch raspberry pi touch screen and one touch pen, what the important things is that the project introduction, code and tutorial is provided.(https://www.dropbox.com/sh/srj52u2tee99cqd/AADUhn6e0Q8MG49aKOKgJxBua?e=1&dl=0) | We provide technical support, if you encounter any problems, you can contact us at any time, and we will answer you.

3.5-inch color screen, supports 16BIT RGB 65K color display, rich in color display. | 480X320 resolution, touch function, with touch pen. | Using the SPI serial bus, only a few IOs are needed to light up the display. With SD card slot, it is convenient to expand the experiment. | Compatible with Arduino R3/Nano/Mega controller boards, which will improve your project operation. | Provide rich sample programs and underlying driver technical support.

The main body of the module is ESP-WROOM-32 module, which is powerful and supports LWIP protocol, freertos. The peripheral adopts USB serial port chip CP2102 to expand the micro USB interface, which can be directly debugged by connecting to the computer through USB. | Support AP, STA, AP+STA three modes. Integrated power indicator (red light) and working status indicator (blue light), let you know the status of the module at any time. | The ESP-32 dual-mode module is compact and easy to embed into your device for your convenience. Compatible with Arduino IDE. | There are two buttons integrated, one is to reset, and the other is to make the module enter the halberd program mode. The 30 pins on both sides of the development board are convenient for developers to connect and use. | In addition, this module also supports NodeMCU Lua programming, which expands the scope of its available resources and greatly improves the convenience of learning and development. Of course, it can also be widely used in IoT occasions.

1602 LCD screen can display 2 lines x 16 characters, with i2c serial interface, blue display. | Built-in independent potentiometer, backlight can be adjusted through the back potentiometer. | Power supply: 5v; I2C address: 0x27; wiring method: GND-GND, VCC-VCC, SDA-A4, SCL-A5. | Compatible with most development boards, such as Arduino, Raspberry pi, Tinkerboard, Nano pi, Banana pi, stm32, etc. | Widely used in: Internet of Things, school electronics projects, smart buildings, maker DIY projects, etc., can display letters, characters, numbers, real-time clock or temperature.

2004 LCD screen can display 4 lines x 20 characters, with i2c serial interface, blue display. | Compatible with most development boards, such as Arduino, Raspberry pi, Tinkerboard, Nano pi, Banana pi, stm32, etc. | Power supply: 5v; I2C address: 0x27; wiring method: GND-GND, VCC-VCC, SDA-A4, SCL-A5. | Built-in independent potentiometer, backlight can be adjusted through the back potentiometer. | Widely used in: Internet of Things, school electronics projects, smart buildings, maker DIY projects, etc., can display letters, characters, numbers, real-time clock or temperature.

4.0-inch color screen,support 65K color display,display rich colors, 480X320 resolution, with touch function. | Using the SPI serial bus, it only takes a few IOs to illuminate the display. | Eeasy to expand the experiment with SD card slot and touch pen. | Compatible with Arduino R3/Nano/Mega controller boards, which will improve your project operation. | Provide a rich sample program and underlying driver technical support.

Resolution: 128 x 32 0.91 Inch OLED display, no need backlight, self-illumination, Display Color: White. | Low power consumptio; SSD 1306 oled display; I2C oled display, IIC (I2C communications) simplifies connection. | Compatible with Arduino nano, R3 board, Raspberry Pi 4B/3B+/3B/2B/Zero,ESP8266, ESP32, STM32, etc. | Working power:3.3-5v, Operating temperature: -40 - 85 ℃. | What will you get: there are 5 pieces OLED display module OLED display module for you.

0.96 inch,Resolution: 128 x 64, View angle: > 160°, Support voltage: 3.3V-5V DC, Power consumption: 0.04W during normal operation, full screen lit 0.08W | Embedded Driver IC: SSD1306. Communication: I2C/IIC Interface, only need two I / O ports | It compatibles with Arduino Nano, R3 board and Mega, Raspberry pi, 51 MCU, STIM 32, etc. | No backlight is required, and the display unit can be self-luminous. It has ultra-high contrast, bright and clear dots, and it is easy to read even small fonts | There are no fonts embedded in the OLED controller, users can create fonts through font generation software.

0.96 inch,Resolution: 128 x 64, View angle: > 160°, Support voltage: 3.3V-5V DC, Power consumption: 0.04W during normal operation, full screen lit 0.08W | Embedded Driver IC: SSD1306. Communication: I2C/IIC Interface, only need two I / O ports | It compatibles with Arduino Nano, R3 board and Mega, Raspberry pi, 51 MCU, STIM 32, etc. | No backlight is required, and the display unit can be self-luminous. It has ultra-high contrast, bright and clear dots, and it is easy to read even small fonts | There are no fonts embedded in the OLED controller, users can create fonts through font generation software.

1.3-inch OLED screen, self-luminous material, no backlight, ultra-low power consumption, normal display is only 0.06W. Blue display. | 128x64 resolution, the display effect is clear and the contrast is high. The viewing angle is greater than 160°. Even small fonts are easy to read. | Wide voltage power supply (3V~5V), compatible with 3.3V and 5V logic levels, no need for level conversion chips. | Embedded driver IC: SH1106. Using the IIC/I2C bus, only 2 IOs are needed to light up the display. | Compatible with R3 board and Mega, Raspberry pi, 51 MCU, STIM 32 etc. Provide underlying driver technical support(Contact us for instructions).

It is a mini NodeMcu Lua Wireless development board based on ESP-8266. | Compatible with Arduino IDE and WeMos D1 Mini. | 4M bytes, 5V 1A switching power supply onboard,1MB flash memory; 500mA resettable fuse. | 11 digital input/output pins, all pins with interrupt/PWM/I2C/1-wire support (except D0); 1 analog input (3.2V max input). Micro USB connection. | D1 mini development board compatible with Arduino WeMos and can be programmed in the compatible for Arduino IDE.

The power supply voltage of the relay module is DC5V. The maximum output load is AC250V 10A and DC30V 10A. | The relay has a standard interface and can be directly connected to the microcontroller, which is convenient for wiring. Package contains 10 male to female DuPont wires. | High Level or Low Level Trigger. Pull in at low level and release at high level. The status indicator is on when it is pull in, and it is release when it is released. | The 2 channel relay interface board can directly control Arduino, AVR, PIC, ARM, PLC and other single-chip microcomputers, and can also control various high-current electrical appliances and other equipment. | Widely used in all MCU control, industrial fields, PLC control, smart home control.