c2hollow
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Activity overview
Latest activity by c2hollow-
c2hollow commented,
hmm I modified the original code you sent me so that it operates in 4 bit mode: // R/W signal is tied to ground (always write, never read)int RS = 11; //RS signal connected to digital pin 30 of A...
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c2hollow commented,
To be specific, it only prints characters from the upper 4 bit 0110 and 0111 rows, and the lower 4 bit rows where bit 4 and bit 5 are 1.How bizarre.
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c2hollow commented,
I got the arduino HelloWorld example working (but only with 4 pins, not 8-pin operation). Turns out I was getting pins 1-8 mixed up with pins 7-16.However, the sample code you provided in the other...
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c2hollow commented,
Do you know why the first and third lines would be full of boxes and the other lines are blank? Could that provide me a clue as to what I'm doing wrong in the initialization?
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c2hollow commented,
What happens if you run the module at 5V for too long? is there an easy way to test whether the module has gone bad?
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c2hollow commented,
Should the logic voltage supply be going into the 5V line or the 3.3V line?
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c2hollow created a post,
Arduino LCD library not working with newhaven display NHD‐0420H1Z‐FL‐GWB-3V3
Assuming that my code for controlling the NHD‐0420H1Z‐FL‐GWB-3V3 is the reason that it isn't working, I plugged it into a breadboard and attempted to get the Arduino LCD example working:http://ardu...
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c2hollow commented,
I don't understand, if 0x30 is the function set, then why further down in the code is there:command(0x38); //Function set: 8-bit/2-line
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c2hollow created a post,
Problems with a NHD‐0420H1Z‐FL‐GBW‐3V3
I have an NHD‐0420H1Z‐FL‐GBW‐3V3 that I am having trouble getting working.I have re-created the sample code for the "Example Initialization Program", and confirmed that I am sending 3.3 volt signal...