seeed lcd displays for raspberry pi made in china

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Please take care of the direction when you connect Pico, a USB port is printed to indicate. You can also check the pin of Pico and the LCD board when connecting.

This guide is based on Raspberry Pi. However, due to the multi-platform and portable features of CMake, it can also be successfully compiled on a PC, but the operation is slightly different, and you need to judge by yourself.

Open main.c under the c folder, you can change the demo you need. This demo can drive the display of our company"s Pico series and the source code will be updated all the time. Please select the corresponding LCD or OLED test function and comment out the irrelevant functions.

After the compilation is complete, the uf2 file will be generated. Press and hold the button on the Pico board, connect the pico to the USB port of the Raspberry Pi through the Micro USB cable, and release the button. After connecting, the Raspberry Pi will automatically recognize a removable disk (RPI-RP2) and copy the main.uf2 file in the build folder to the recognized removable disk (RPI-RP2).

1. Press and hold the BOOTSET button on the Pico board, connect the pico to the USB port of the computer through the Micro USB cable, and release the button after the computer recognizes a removable hard disk (RPI-RP2).

1. The process of flashing the firmware is the same as that on Windows, you can choose to copy the pico_micropython_20210121.uf2 file into pico on the PC or Raspberry Pi.

2. Open Thonny IDE on the Raspberry Pi (click the Raspberry logo -> Programming -> Thonny Python IDE), you can check the version information in Help->About Thonny.

To ensure that your version has a Pico support package, you can also click Tools -> Options... -> Interpreter to select MicroPython (Raspberry Pi Pico and ttyACM0 port.

Draw number: In the image buffer, at (Xstart Ystart) as the left vertex, write a string of numbers, you can choose the Ascii font, font foreground color, font background color.

With the keys on the monitor back, you can choose to control the screen by pressing the keys. 3 pieces of transparent acrylic plate in different colors are provided to protect the Raspberry Pi. It is designed with fixing holes at the back, the new updated version only designed for Raspberry Pi 4.

If applicable, the Product Documentation, Brochure, Reference Materials, CAD design(s),.STEP file(s) and other drawing files, Manuals, and Tutorials will be available for My Account section if needed.

SunFounder is a company focused on STEM education with products like open-source robots, Arduino&Raspberry Pi Kits, Display screens, and smart devices. SunFounder serves the global market from its headquarter in Shenzhen, China. In SunFounder, we strive to help elementary and middle school students as well as hobbyists, through STEM education, strengthen their hands-on practices and problem-solving abilities.

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Other than our supplier’s default policy, once a return is agreed upon, you can ship your defective item to the provided return address that you should receive from us first. Please ship the order in original packaging with all the accessories and additional parts. If the Required Parts are not sent back, they will be billed for or expected to be shipped at a later stage. And only once all items have arrived will our staff check the returned product for testing. Include in your package a signed letter stating the reason for your return and the original receipt as well as any mentioned proof of defect, images, or a video, etc. It will help us to speed up the process on your behalf.

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With the development of technology, our usual contact information consultation is also obtained through mobile phones. Mobile phones have replaced traditional books and newspapers, and they use mobile phones to read e-books and browse the web when commuting in the subway. However, the screen of the mobile phone is not suitable for reading text for a long time, and the blue light emitted by the traditional LCD screen may make the eyes feel tired. The ink screen is different. Although the color is monotonous, due to the characteristics of the ink screen, the light it emits will not harm the eyes, and the stronger the light, the clearer the display. So maybe it is a good choice for the calendar ink screen I want to design.

In order to get local weather conditions and time, it is a good thing to use the powerful Raspberry Pi 3b+ as the main controller, becauseRaspberry 3B. Not only does it have WiFi functionality, but also Python code development.

The display is of course using an ink screen. After a comprehensive price/performance comparison, the2.7"" Triple-Color E Ink Display for Raspberry Pifrom Seeed is used.

Since the official C++ library does not have a python library, I found a similarpython driver codeby consulting the relevant information, due to the difference between the hardware, we successfully transplanted the python driver code found on the Internet to our hardware by modifying the pin number. The specific operation is as follows:

step 2: Open the four pin numbers in theepdconfig.pyfile and change them toRST_PIN = 13,DC_PIN = 6,CS_PIN = 5,BUSY_PIN = 19.cd ~nano ~/e-Paper/Raspberry\ Pi/python3/lib/epdconfig.py

For detailed procedures for installing dependencies, please refer toInky-Calendar.Below I will briefly describe my design process. First, we need to do the cloud weather collection on our device, obviouslyOpenWeatherMapis very suitable for us.

Step 2: You can set theOpenWeatherMaprelated parameters according to theSettings.pyfile provided bySeeed_Elink_Raspberry_calendarand save it to the corresponding Folder.

Step 3: You can run the code below to see the corresponding weather information.git clone https://github.com/hansonCc/Seeed_Elink_Raspberry_calendar.gitcd ~/Seeed_Elink_Raspberry_calendar/python3python3 Calendar.py

Then, we need to display the collected time and weather information on the top of the "2.7"" Triple-Color E Ink Display for Raspberry Pi. In order to make the desired GUI, we specifically refer toInky-CalendarThe above model, the actual running effect is as follows: