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Pot or Not?
I am using an op amp and a piezo buzzer as input to the comparator on a tiny 45. It works great for the device I am working on (Acoustic Drum triggers) but I would like to allow...
Thursday, 8 June 2006 - 05:41
Playing with the Analog Comparator
First a question, I turn interrupts off on entry to the interrupt and back on just before the rti instruction. Should I be disabeling the comparator interrupt enable bit instead...
Friday, 26 May 2006 - 06:11
How to Read VCC without external circuit Tiny45V
I am using the ADC to read a voltage using a 300 ohm resistor to ground and a 1k ohm thermistoras a voltage divider. The chip will be run from a 3V battery and run down to 1.8V...
Tuesday, 23 May 2006 - 04:06
Registers R00...R15 instructions that can use list
How do I know what instructions can use R00...R15 before the assembler tells me with an error? The datasheet says most instructions work but when I program I may write fifty lines...
Tuesday, 16 May 2006 - 13:47
Flakey serial port
Anyone else after hours of programming with a stk500 have problems with verify after programming, I do and only thing cures it is to reboot so it must be my serial port. Running...
Friday, 12 May 2006 - 06:55
Question on Low and High Functions
I found the following code searching the forum I then found the Functions in the help file but I don't understand why it is necessary to multiply the address by 2... yet.... Maby...
Thursday, 11 May 2006 - 06:12
Messy wires
After reading Heguli's post and feeling his frustration with wires I have to say it is pretty silly to be able to put millions of transistors on the head of a pin and then have...
Sunday, 7 May 2006 - 05:38
DDR and port setup for ADC
Ok I was going to rest the left side of my brain for a day or so but I can only watch so mutch TV. After going through lots of the projects and searching the forums on using the...
Saturday, 6 May 2006 - 04:12
Problem with STK500/JTAGICEmkII reprogramming after debg ses
I have a problem with the way JTAGICEmkII works with the stk500 board. I am using a tiny45V chip. I have the PORTE RST and XT1 jumpped to PORTB 5 and 3. The reset jumper...
Thursday, 4 May 2006 - 14:21
Calibrating Temperature on-chip sensor tiny45
The datasheet says the accuracy of the temperature measurement is +/- 10C for the on-chip sensor and that it can be calibrated to achieve more accurate results. My question is ,...
Wednesday, 3 May 2006 - 18:52
RC Timer with one pin
I have set up an rc timer using 2 pins with the charging pin through a diode to charge a capacitor. I have pin 4 set in the DDIR to 0 (input) and it works fine. I want to charge...
Monday, 1 May 2006 - 02:27
Problem with inputpullups and PUD bit
After about 12 hours today learning some new stuff and remembering the old I have one problem. Using the ATTINY12 and the stk500 board I am unable to use input pins PB1(Miso/int0...
Sunday, 30 April 2006 - 14:58

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