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Building a my first FT232 USB Serial board
Hi, I am going to attempt to build my first USB to Serial board. I was wondering if someone could double check my items to make sure I am ordered the correct components. This is...
Monday, 21 December 2015 - 01:20
Solved: Cannot load sketch in Arduino IDE after using Atmel-Ice
Hi, I just got my Atmel Ice and uploaded a sketch to my ATMEGA2560. Everything went well. Now, when I try to upload a sketch using the Arduino IDE, I get a timeout error avrdude:...
Saturday, 19 December 2015 - 19:53
Display .raw Bitmap image on TFT
Hi, I am working on displaying a 320X240 Bitmap on a my ili9325 (SainSmart) 2.8 TFT. I am using the UTFT library. I have a function that loads a .raw bitmap from a SD card and...
Saturday, 12 December 2015 - 21:17
Implementing scroll with ILI9325 on M0 Pro / TFT
Hi, I have successfully got my 2.8 TFT working with my Arduino M0 Pro (e.g. Zero). I am now trying to get the Vertical scroll feature working. According to the Data Sheet, the...
Tuesday, 1 December 2015 - 11:55
Combining multiple Bytes
Is there a better, more elegant way to combine multiple bytes then how I am doing it now? uint8_t byte1 = 0x1D; uint8_t byte2 = 0x2B; uint8_t byte3 = 0x4E;...
Sunday, 1 November 2015 - 00:24
Multi dimension array and PROGMEM
  Hi, I have a multidimensional array. I don't believe I am using the correct data type to store the following: / Character descriptors for Arial Unicode MS 8pt // { [Char...
Tuesday, 27 October 2015 - 23:52
wire library - increasing i2c speed
  I am using Arduino Wire library to communicate with a MCP23017 i2c IO Expander. I am driving a TFT display. The MCP23017 supports 400kHz.  The wire libraries default...
Sunday, 18 October 2015 - 01:13
Wire Library i2c - reading registers after sending value
Hi, I am using the Arduino wire library (i2c). The Arduino is the Master and I have a MCP23017 as the slave. I have the following method to send data to PORTB on the MCP23017...
Saturday, 10 October 2015 - 01:07
AS 7 - debugWire bricked my 328p
I was running debugWire on my 328p and AVR Dragon. When I selected to exit debugWire and close, AS 7 crashed. Now I can not access the 328 via ISP. Has anyone had this happen?...
Monday, 5 October 2015 - 00:21
AS 7 - debugWire is extremely slow
I am running debugWire with AS 7 and an AVR Dragon. When I go into debug mode, its taking a very, very logn time to start. Every minute or so, I get this popup:   And I see...
Saturday, 3 October 2015 - 14:13
Help reading ILI9325 (TFT) datasheet
I am looking into porting the UTFT library to use I2C with a MCP23017 16-Bit I/O Expander. I can see whats going on in the UTFT library, like setting defaults:  ...
Saturday, 26 September 2015 - 18:00
AVR Dragon and MAC OSX
Has anyone have any luck using their AVR Dragon on a OS X Yosemite? When I plug my dragon into my mac, the red light is on, but not the green lights. To see my devices: ...
Saturday, 5 September 2015 - 10:56

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