-
```
Hello,
I have ST7920, connected serial with arduino. All connections are perfect.
There is no bad circuit.
I uploaded GraphicTest example to my arduino. It works well. But after several
minute…
-
```
4 bit mode seems to be a good compromise between refresh speed and pins needed
(brings it down by 4) According to the datasheet for the chip:
http://www.dfrobot.com/image/data/FIT0021/ST7920.pdf…
-
```
4 bit mode seems to be a good compromise between refresh speed and pins needed
(brings it down by 4) According to the datasheet for the chip:
http://www.dfrobot.com/image/data/FIT0021/ST7920.pdf…
-
```
4 bit mode seems to be a good compromise between refresh speed and pins needed
(brings it down by 4) According to the datasheet for the chip:
http://www.dfrobot.com/image/data/FIT0021/ST7920.pdf…
-
```
4 bit mode seems to be a good compromise between refresh speed and pins needed
(brings it down by 4) According to the datasheet for the chip:
http://www.dfrobot.com/image/data/FIT0021/ST7920.pdf…
-
```
4 bit mode seems to be a good compromise between refresh speed and pins needed
(brings it down by 4) According to the datasheet for the chip:
http://www.dfrobot.com/image/data/FIT0021/ST7920.pdf…
-
```
4 bit mode seems to be a good compromise between refresh speed and pins needed
(brings it down by 4) According to the datasheet for the chip:
http://www.dfrobot.com/image/data/FIT0021/ST7920.pdf…
-
```
4 bit mode seems to be a good compromise between refresh speed and pins needed
(brings it down by 4) According to the datasheet for the chip:
http://www.dfrobot.com/image/data/FIT0021/ST7920.pdf…
-
```
4 bit mode seems to be a good compromise between refresh speed and pins needed
(brings it down by 4) According to the datasheet for the chip:
http://www.dfrobot.com/image/data/FIT0021/ST7920.pdf…
-
```
4 bit mode seems to be a good compromise between refresh speed and pins needed
(brings it down by 4) According to the datasheet for the chip:
http://www.dfrobot.com/image/data/FIT0021/ST7920.pdf…