Is the second line OK? Have you adjusted the contrast input to the device? If this voltage is wrong, the display will show as solid boxes. Another reason could be the RESET is not working. Dave. From: AVR-Chat@yahoogroups.com [mailto:AVR-Chat@yahoogroups.com] On Behalf Of ?????????? ????? ?????????? Sent: 03 October 2009 23:13 To: AVR-Chat@yahoogroups.com Subject: [AVR-Chat] ATMega16 + WH1602 Hello! Display WH1602 connected to PORTC ATMega16 and doesn't work. Top line filled with black boxes. I am using CodeVisionAVR 2.03 and AVR ISP programmer. Fuses: SPIEN = ON JTAGEN = ON PORTC sharing with JTAG is it? Disable JTAG? Any other solution? -- Best regards, Roman Antoshchenkov mailto:djantoxa@rambler.ru <mailto:djantoxa%40rambler.ru> [Non-text portions of this message have been removed]
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RE: [AVR-Chat] ATMega16 + WH1602
2009-10-03 by Dave McLaughlin