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UPS + Inverter controller IC
Thanks a lot for your help. Actually I have a schematic of such a controller system and I am writing PIC code for it. Any ideas on what this circuit does? Just looking for an...
Thursday, 3 January 2013 - 00:42
Solar meter question
Ok I went and checked out Raspberry Pi and it seems I will have to buy the manual. Anybody have an idea how I can connect the above inputs to the board? What ADC's are on-board?
Monday, 17 December 2012 - 08:19
Solar meter question
Thanks,Guys. The archlinuxarm site looks interesting. Will do some R&D on this.
Sunday, 16 December 2012 - 02:18
Gap seen in SPI transmission
This is not a streaming app. This is just to check if a part is in a specific mode i.e. if it has a heartbeat. @Jim: The middle trace is the clock. I have attached a better...
Wednesday, 22 September 2010 - 21:23
Gap seen in SPI transmission
Ok so I am trying to understand the waveform I am getting. I am sending 0xAA(shown in green) to the slave device from the MOSI pin (it is a part that is supposed to send back the...
Wednesday, 22 September 2010 - 19:24
Gap seen in SPI transmission
Thanks, guys that makes sense. This obviously means with the Atmega328 max frequency of 20MHz, the best I can get out of the SPI will be (20/2)/9 or about 1.11 MHz?
Wednesday, 22 September 2010 - 13:25
AGM1264 GLCD problem
Thanks, Don. Ok I finally got Bill's GLCDDemo file to work. However it worked a couple of times and then stopped working. It is the 7805 regulator. I have also replaced the 7805...
Sunday, 5 September 2010 - 14:38
AGM1264 GLCD problem
Thanks again Bill. I did get a new AGM display module. This time I want to set it up right to check if it works. My POA is going to be to check the backlight first, then try the...
Friday, 3 September 2010 - 21:25
AGM1264 GLCD problem
Damn I still can't believe my GLCD is fried.I am going to buy a new GLCD. In the meantime, I found another GLCD. This one is a Newhaven display. NHD‐C12832A1Z‐NSW‐BBW‐3V3...
Tuesday, 24 August 2010 - 02:38
AGM1264 GLCD problem
Thanks, Bill. I tried the demo code that you gave me with the 16MHz crystal and I get the same heating of the 7805 regulator and nothing on the GLCD. I am going to try one final...
Monday, 23 August 2010 - 15:04
AGM1264 GLCD problem
Ok I have the following connections for the GLCD: MCU GLCD PORTB = CONTROL PINS 14(PB0) 4(DI) 15(PB1) 5(RW) 16(PB2) 6(E) 17(PB3) 15(CS1) 18(PB4) 16(CS2) 19(...
Monday, 23 August 2010 - 01:24
AGM1264 GLCD problem
Bill, Ok I tried the connections you have shown along with the GLCD driver code and there is no response from the GLCD (screen is blank and it doesn't look like the GLCD is on) I...
Thursday, 19 August 2010 - 16:00