Grove OLED Displays FYI

cgwaltney · December 25, 2023, 4:16am

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Intereting SSD1306 vs SH1107 - Seeed Display

opened 03:58AM - 25 Dec 23 UTC

products, https://www.seeedstudio.com/Seeeduino-XIAO-Expansion-board-p-4746.h…tml https://www.seeedstudio.com/Grove-OLED-Display-0-96.html ![IMG_6331](https://github.com/olikraus/u8g2/assets/154296902/5863615f-b6fe-4bef-b713-2ba39e07bf7c) https://www.seeedstudio.com/Grove-OLED-Display-1-12-SH1107-V3-0-p-5011.html ![IMG_6330](https://github.com/olikraus/u8g2/assets/154296902/a4ca827a-d66c-47f5-ace5-adf624519f2d) Note: Three OLED Display from Seeed Studio Base U8g2Logo.ino with // U8g2 Contructor List (Picture Loop Page Buffer) U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE); //U8G2_SH1107_SEEED_128X128_1_SW_I2C u8g2(U8G2_R0, /* clock=*/ SCL, /* data=*/ SDA, /* reset=*/ U8X8_PIN_NONE); // End of constructor list ![IMG_6333](https://github.com/olikraus/u8g2/assets/154296902/792ccb35-ff06-4676-9100-ec56e17e2b85) initial run with SSD1306 two displays correct, SH1107 upside down and shifted with random data below row 64 Note, all displays with 0 rotation and display flex cable facing down understandable as SSD1306 is 128X64 ![IMG_6332](https://github.com/olikraus/u8g2/assets/154296902/c7bedf04-9214-4a25-b471-091b03aaba93) without powering down display, upload code revised to SH1107 SH1107 display correct, two SSD1306 displays upside down and image is progressive scan https://github.com/olikraus/u8g2/assets/154296902/5ff558db-0bc9-48ff-9097-f6491d6479f9 then without power off, reload initial SSD setup and run two display right side up, one upside down ![IMG_6336](https://github.com/olikraus/u8g2/assets/154296902/0408234b-364f-4d3f-9177-fe8f03890b6f) ![IMG_6337](https://github.com/olikraus/u8g2/assets/154296902/79b2a68d-00bb-49ad-9727-2fd627e10b93) Also SSD is HW_I2C and SH1107 only has SW_I2C would ask that the contructor for Seeed SSD1306 128X64 have an option for 128X128 (only 64 will be viewable) and SH1107 128X128 so that one constructor can drive both displays, and only the 64 will be truncated