Forum >Replies by joe
Replies （14）
- Topic: DFR0063 I2C LCDYou Reply: thanks a lot with the advice. i think it's definitely faulty, the backlight should flicker on and off but it turns off once and never turns on again. once again, thanks for the help!
- Topic: DFR0063 I2C LCDYou Reply: thanks a lot with the advice. i think it's definitely faulty, the backlight should flicker on and off but it turns off once and never turns on again. once again, thanks for the help!
- Topic: DFR0063 I2C LCDYou Reply: thanks a lot with the advice. i think it's definitely faulty, the backlight should flicker on and off but it turns off once and never turns on again. once again, thanks for the help!
- Topic: DFR0063 I2C LCDYou Reply: awesome, that's good to hear.
it's listed as a library in the arduino ide so everything should be setup properly. i've used that code but nothing displays on the lcd. i've also used the serial code which should display what's sent through serial but that doesn't work either, however, when it does receive data the lcd flashes so i assume something is updating but all i'm getting are black squares (the data going to the lcd should be fine as i'm also echoing the input back as output via serial and there's no issue with that). - Topic: DFR0063 I2C LCDYou Reply: awesome, that's good to hear.
it's listed as a library in the arduino ide so everything should be setup properly. i've used that code but nothing displays on the lcd. i've also used the serial code which should display what's sent through serial but that doesn't work either, however, when it does receive data the lcd flashes so i assume something is updating but all i'm getting are black squares (the data going to the lcd should be fine as i'm also echoing the input back as output via serial and there's no issue with that). - Topic: DFR0063 I2C LCDYou Reply: awesome, that's good to hear.
it's listed as a library in the arduino ide so everything should be setup properly. i've used that code but nothing displays on the lcd. i've also used the serial code which should display what's sent through serial but that doesn't work either, however, when it does receive data the lcd flashes so i assume something is updating but all i'm getting are black squares (the data going to the lcd should be fine as i'm also echoing the input back as output via serial and there's no issue with that). - Topic: DFR0063 I2C LCDYou Reply: also, i downloaded the library from http://www.xs4all.nl/~hmario/arduino/LiquidCrystal_I2C/
is that the right library or should i be downloading it from somewhere else? - Topic: DFR0063 I2C LCDYou Reply: also, i downloaded the library from http://www.xs4all.nl/~hmario/arduino/LiquidCrystal_I2C/
is that the right library or should i be downloading it from somewhere else? - Topic: DFR0063 I2C LCDYou Reply: also, i downloaded the library from http://www.xs4all.nl/~hmario/arduino/LiquidCrystal_I2C/
is that the right library or should i be downloading it from somewhere else? - Topic: DFR0063 I2C LCDYou Reply: thanks for the reply.
i have adjusted the potentiometer at the back of the LCD, the contrast changes so that isn't an issue (at the darkest, i get 16 coloured in squares on line 1, nothing on line 2)
i've swapped SDA/SCL too but that doesn't work either. when it's connected correctly, the lcd flashes when it initialises but after that, the backlight is on but "Hello, world!" doesn't come up. - Topic: DFR0063 I2C LCDYou Reply: thanks for the reply.
i have adjusted the potentiometer at the back of the LCD, the contrast changes so that isn't an issue (at the darkest, i get 16 coloured in squares on line 1, nothing on line 2)
i've swapped SDA/SCL too but that doesn't work either. when it's connected correctly, the lcd flashes when it initialises but after that, the backlight is on but "Hello, world!" doesn't come up. - Topic: DFR0063 I2C LCDYou Reply: thanks for the reply.
i have adjusted the potentiometer at the back of the LCD, the contrast changes so that isn't an issue (at the darkest, i get 16 coloured in squares on line 1, nothing on line 2)
i've swapped SDA/SCL too but that doesn't work either. when it's connected correctly, the lcd flashes when it initialises but after that, the backlight is on but "Hello, world!" doesn't come up. - Topic: DFR0063 I2C LCDYou Reply: I recently purchased the DFR0063 LCD and I am trying to connect it to my Arduino Mega.
I've connected Vcc to the regulated 5V source from the Arduino, Ground to Ground, and SDA/SCL to SDA/SCL on the Arduino Mega (Pins 20 and 21 respectively).
I've added the LiquidCrystal_I2C library to the Arduino IDE and I've tried the sample code located in the wiki plus the example code (changed it from 0x20 to 0x27 for the LCD address) but all I'm getting are dark squares on the top line and nothing on the bottom line. "Hello, world!" isn't displaying.
Is it possible that my LCD is faulty or have I done something wrong? - Topic: DFR0063 I2C LCDYou Reply: I recently purchased the DFR0063 LCD and I am trying to connect it to my Arduino Mega.
I've connected Vcc to the regulated 5V source from the Arduino, Ground to Ground, and SDA/SCL to SDA/SCL on the Arduino Mega (Pins 20 and 21 respectively).
I've added the LiquidCrystal_I2C library to the Arduino IDE and I've tried the sample code located in the wiki plus the example code (changed it from 0x20 to 0x27 for the LCD address) but all I'm getting are dark squares on the top line and nothing on the bottom line. "Hello, world!" isn't displaying.
Is it possible that my LCD is faulty or have I done something wrong?