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External interrupts on AT90CAN64, ASM, AVR studio. [solved]
To set the STACK POINTER at the end of SRAM ldi r16, HIGH(RAMEND) out SPH, r16 ldi r16, LOW(RAMEND) out SPL, r16
Wednesday, 31 August 2011 - 07:28
External interrupts on AT90CAN64, ASM, AVR studio. [solved]
Hi there, 1. There is no setup for the STACK POINTER. STACK POINTER must be set the the last address of RAM. This must be the first instructions in your program. 2. There is no...
Wednesday, 31 August 2011 - 07:16
Decoupling caps
Quote:I tend to draw schematics with the bypass caps arranged as they are in the physical circuit. Many don't, and handle that at layout time. You toss your coin, sometimes its...
Wednesday, 31 August 2011 - 06:28
TNY280 Transformer problem
Yes, there is a suggestion of Power Integrations to use AIR GAP. Your transformer seem to be ok. Also windings must be in clockwise directions - not only the terminals. Looking at...
Wednesday, 31 August 2011 - 06:22
Power Relays, control current?
There is an issue when using when controling lamps with a relay (mechanical switch) it's called "Inrush Current". Especially when you are trying to control the new type of "...
Wednesday, 31 August 2011 - 06:16
voice chip help
I am sure that ISD1700 series includes the ic you need. http://pdf1.alldatasheet.com/dat... The difference between the ics of this series is the recording memory available. Good...
Tuesday, 30 August 2011 - 09:55
AT LAST I'M SUCCESSFUL!! YEAH!!!!!!!!!
Ha ha ha..... LDEVRIES, You are right but....the proposal comes directly from the translation. For example, from a greek translation directly, I would say: "I and my partner" Or...
Tuesday, 30 August 2011 - 07:45
AT LAST I'M SUCCESSFUL!! YEAH!!!!!!!!!
Congratulations. Show as a video or even a photo. I am praying for you.
Tuesday, 30 August 2011 - 05:11
Interfacting to TSOP IR receiver module
But.... in the first page of the datasheet you sent there is an image of the internal circuitry showing an internal pull up of 30K. I think that the pin is set an an output. If...
Monday, 29 August 2011 - 11:19
PCB fabrication Companies: My review
I use to order protos from www.eurocircuits.com
Monday, 29 August 2011 - 11:11
Interfacting to TSOP IR receiver module
Currently I am working on a project that uses a very similar device like the TSOP1236. If you set the receiving signal to an AVR input it is IMPOSSIBLE to read 2.1V. PORT[X]_Bit[...
Monday, 29 August 2011 - 11:02
Transistor as resistor?
Sorry for telling this, but using a transistor to do this (240W) would make your final design to come in the market together with a freezer.
Monday, 29 August 2011 - 10:50

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