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MC33887 H Bridge chip
{static} Calling all Freaks. Calling all Freaks. Be on the lookout for MC33887 H Bridge. {/static} These things LOOK like nice 5 amp H bridge parts. Wide voltage range, nice...
Tuesday, 24 September 2013 - 21:02
ADC -- Solved! Now includes correct ADC code.
I took the next logical step,aAnd went over the cliff. Now that my remote gizmo can read the battery voltage, I set about making it use the ADC to read the other things I expect...
Friday, 20 September 2013 - 21:45
Home made 3 little boards this morning. One of them just wouldn't etch. Must not have got the copper clean or something. Here it is an hour after the other 2 were done. It's...
Thursday, 19 September 2013 - 18:44
What happened to PORTB=...?
In an ATTiny45, my PortB has 4 important bits: #define PwrOn PB0 #define PwrOnNot PB1 #define Button PB2 #define ButtonOut PB3 To turn the gizmo on, you set PB0 to 1 and PB1...
Tuesday, 17 September 2013 - 14:32
In project properties, on the tool tab, there's a setting for "Debugger/Programmer." How 'bout separating this so you can set the debugger to Simulator and the programmer to ISP...
Tuesday, 17 September 2013 - 13:58
ISP Program Tiny 45 : status 0x81, expected 0x00
What now? I just finished a silly project for the landlord. He 2 likes blinking LEDs. Use a Tiny 45. It'a happily blinking away now. So I turned to my remote control gizmo. I...
Monday, 16 September 2013 - 15:36
xMega192D3 A/D (Solved)
Want to measure the battery (2 AA cells) voltage. I figured this wouldn't be hard, but I didn't take into account this is an xMega chip. So I have the Battery + connected to a...
Thursday, 12 September 2013 - 14:38
FatFS in an xMega
Before my FatFS Fizzles... I'm running my xMega192D3 from a 16MHz crystal at 32MHz, for want of any good reason. It seems to be doing fine this way. FatFS has 2 macros to change...
Friday, 6 September 2013 - 22:03
Simulator Tip
If you have some _delay_ms calls in your app, and you want to simulate to see where you've goofed up a bit of logic, compile your app with F_CPU set to something less than...
Tuesday, 3 September 2013 - 22:23
GCLD Font Creator
This tool seems to come from http://www.mikroe.com/glcd-font-... these days. A useful tool for creating fonts for your LCD and other graphic displays.
Tuesday, 3 September 2013 - 17:46
192D3 Counter Timer F0
Trying to PWM to pin 46: PF0 : OC0A. I'm getting the overflow interrupt every 94uS, but nothing on the pin. Hmm. Figured on every 127uS, so I must have something mis figured. Let'...
Friday, 23 August 2013 - 18:08
xMega 192D3 Timer Help?
I haven't yet figured out how to map the names in the xMega pdf docs with those in the include files, so I THINK I want an interrupt from TCC0 every millisecond. However, I'm not...
Wednesday, 21 August 2013 - 20:41