ATMega328p development board with onboard TFT display, Arduino compatible
Description
This is a small form factor ATMega328p development board with a high resolution 240x240 pixel TFT color display.
The display is H/W SPI bus connected. The back light can be controlled by …
This is a small form factor ATMega328p development board with a high resolution 240x240 pixel TFT color display.
The display is H/W SPI bus connected. The back light can be controlled by PWM through digital pin D5.
Display uses the ST7789 controller. There are various libraries available for this.
A serial UART is provided for easy USB connection - no FTDI board needed.
(CH340 drivers need to be installed)
The following pins are available on header pins:
Digital pins - D2,D3,D4
Analog pins - A0,A1,A2,A3,A7. (A7 is input only)
i2C pins A4,A5 (SCL,SDA)
SPI pins are available through the 6 pin ICP header if needed
The board runs at 5V with onboard LDO 5V and 3.3V regulators. Vin max is 16V. Set the Arduino IDE for board type Uno to use this board.
Why did you make this?
I made this board for convenience. Rather than have a separate Uno and display board connected with a birds nest of wires, the board and display are ready to use. I have also used a Mini USB connector rather than the fragile micro USB.
Size, convenience and a laser cut acrylic frame included for protection makes this board very useful for Makers and experimenters.
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Donald |
March 27, 2021
Integrated, compact micro+display
I am a big fan of integrated micro/displays. The Olabec design is marvellous. It has an onboard USB/FTDI along with many i/o pins broken out. The display controller is a ST7789, so there are many libraries and examples that work on the board. Finally the board has an acrylic case so it is ready to use.
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