Search found 3 matches
- Mon Feb 13, 2017 3:34 pm
- Forum: ESP8266 boards
- Topic: i2c lcd works only if more one device connected
- Replies: 7
- Views: 6562
Re: i2c lcd works only if more one device connected
And as @fdufnews said - my BMP180 board already has resistors.
- Mon Feb 13, 2017 3:33 pm
- Forum: ESP8266 boards
- Topic: i2c lcd works only if more one device connected
- Replies: 7
- Views: 6562
Re: i2c lcd works only if more one device connected
Hello guys,
Thank you for help. Pull-up resistors help me.
I have tested it with two pull up resistors (4.7k and 10k also works fine). From SDA and SCL to 3v.
Thank you for help. Pull-up resistors help me.
I have tested it with two pull up resistors (4.7k and 10k also works fine). From SDA and SCL to 3v.
- Sun Feb 12, 2017 7:18 pm
- Forum: ESP8266 boards
- Topic: i2c lcd works only if more one device connected
- Replies: 7
- Views: 6562
i2c lcd works only if more one device connected
Hello, I'm playing with i2c on my nodemcu board (LoLin v3), micropython version 1.8.7 (esp8266-20170108-v1.8.7.bin). I'm trying to begin LCD 1604 (or 2004) works with my board. When I connect just LCD to the ESP - it doesn't works. i2c.scan() show nothing >>> i2c = I2C(-1, scl=Pin(5), sda=Pin(4)) >>...