From 27930454a7c7900f7d28d9b24b3f1acbb0af97fe Mon Sep 17 00:00:00 2001 From: Chrissy Date: Sat, 5 Dec 2020 16:24:12 +0000 Subject: [PATCH] Update README.md Updated SSD1306 Oled Pin 1 and 2 swap note --- README.md | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/README.md b/README.md index d5e43be..1b81f5e 100644 --- a/README.md +++ b/README.md @@ -45,6 +45,17 @@ The 128x64 OLED connects on the board at this position here. You will need to put some none conductive material under the OLED,
so it does not short agains the Pins of the Raspberry Pi. +When you buy your screen, make sure the PIN order is as follow's (left to right, looking down on the screen):- + +| 1 | 2 | 3 | 4 | +|---|---|---|---| +|GND|VCC|SCL|SDA| + +You can see this in the photo above. + +Some SSD1306 OLED's have Pins 1 and 2 swapped, which will be bad. So please double check. + + ***Hitachi HD44780*** [](pics/Hitachi_HD44780.jpg)