I have some questions.
I have 2 lcd lk202-25, one with chips in zone 1 (on the picture) and one whitout chips in this zone. What is the difference ?
What is the purpose of zone 2 (on the picture) ?
I've tried to monitor the I2C bus with an oscilloscope, I can clearly see the SCL on it but when I ...
Search found 2 matches
- Thu Apr 23, 2009 8:52 am
- Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
- Topic: LK202 with I2C bus
- Replies: 3
- Views: 4941
- Wed Apr 22, 2009 2:26 am
- Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
- Topic: LK202 with I2C bus
- Replies: 3
- Views: 4941
LK202 with I2C bus
In my project, I want to use the matrix Orbital LCD LK202 with an ATmega128 through I2C.
I've tried a lot of things but nothing worked. (like sending messages to the LCD with the LCD adress and command codes)
My LCD works great on RS232.
How can I check if the I2C bus is working with my LCD ...
I've tried a lot of things but nothing worked. (like sending messages to the LCD with the LCD adress and command codes)
My LCD works great on RS232.
How can I check if the I2C bus is working with my LCD ...