Difference between revisions of "VFO-004"
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[[File:OLED128x32.PNG]] | [[File:OLED128x32.PNG]] | ||
| + | |||
| + | === Arduino Library for OLED ==== | ||
| + | |||
| + | * [https://github.com/olikraus/u8g2 U8g2: Library for monochrome displays, version 2] | ||
| + | ** [https://github.com/olikraus/u8g2/wiki/u8g2reference Reference library] | ||
| + | ** Constructor | ||
| + | <pre> | ||
| + | U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE); // STM32, Ebay OLED | ||
| + | </pre> | ||
| + | * [https://github.com/olikraus/u8g2/wiki/fntlistall List of Fonts] | ||
| + | <pre> | ||
| + | u8g2.setFont(u8g2_font_ncenB14_tr); | ||
| + | </pre> | ||
| + | |||
| + | ===== Hello World Code ===== | ||
| + | |||
| + | <pre> | ||
| + | U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE); // STM32, Ebay OLED | ||
| + | |||
| + | void setup(void) { | ||
| + | u8g2.begin(); | ||
| + | } | ||
| + | |||
| + | void loop(void) { | ||
| + | u8g2.clearBuffer(); // clear the internal memory | ||
| + | u8g2.setFont(u8g2_font_ncenB08_tr); // choose a suitable font | ||
| + | u8g2.drawStr(0,10,"Hello World!"); // write something to the internal memory | ||
| + | u8g2.sendBuffer(); // transfer internal memory to the display | ||
| + | delay(1000); | ||
| + | } | ||
| + | </pre> | ||
Revision as of 10:55, 29 October 2020
Contents
Breadboard VFO
- Si5351 qrp-labs Breakout board
- Arduino Mini
- Rotary Encoder Breakout Board
Parts
Si5351 Board
- Replace R1, R2 with 3.3K
Rotary Encoder/Breakout Board
- Includes pushbutton Switch
- Includes Pull-Up resistors
- Needs R/C filter on output for debounce
- Reading Rotary Encoders - Arduino reference
- Simple Rotary Encoder Arduino library
- Library for the Arduino environment for using a rotary encoder as an input
128x32 OLED
Arduino Library for OLED =
U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE); // STM32, Ebay OLED
u8g2.setFont(u8g2_font_ncenB14_tr);
Hello World Code
U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE); // STM32, Ebay OLED
void setup(void) {
u8g2.begin();
}
void loop(void) {
u8g2.clearBuffer(); // clear the internal memory
u8g2.setFont(u8g2_font_ncenB08_tr); // choose a suitable font
u8g2.drawStr(0,10,"Hello World!"); // write something to the internal memory
u8g2.sendBuffer(); // transfer internal memory to the display
delay(1000);
}
