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M168 bootloader
Hi @ all, I've already a well working bootloader for the tiny85, but I have now problems with the Mega168. I'm storing values to a page, I'd like to update. Unchanged values are...
Thursday, 20 September 2007 - 20:30
generating random numbers via eeprom write?
Hi folks! I have to produce 4 seldom used random numbers, which will be stored in the internal eeprom! I know there is a way with the ADC and a Z - diode but I don't like to spend...
Wednesday, 20 September 2006 - 12:29
input resistance attiny45
Hello everybody! Do anybody know the input resistance of a common avr input pin! I'm developing a kind of a bus system with an own protocol handled by software! So I'd like to...
Thursday, 3 August 2006 - 16:09
how to protect full bridge
Hi folks! I've built a speed controller for DC motors (with a full bridge (2N MOSFETS and 2P MOSFETS) for 540 motor size) but I have serious troubles with that! I have a lot of...
Monday, 27 February 2006 - 12:30
Hi everybody! In the past I used the MEGA 48 quite a lot (most of the time with the internal oscillator)! But now it becomes to small and to slow! So I'd like to use a MEGA88 with...
Sunday, 29 January 2006 - 21:04
hi folks! first time in my life I connected a uC to my PC, and after a few mistakes it worked! i was able to send data from mega48 over max3232pe to my pc! but it doesn't work in...
Wednesday, 7 December 2005 - 21:31
adxl250 accelerometer where to get?
Hi everybody! Any ideas where I can get this part? Or do you guys now any alternative? best regards
Monday, 5 December 2005 - 07:43
internal pull ups
hi @ all! I'm definitive not a newbie in this avr stuff, but I have problem and no explanation! May be my mind is messed up in the meantime! I enabled all pull ups on an attiny13...
Wednesday, 9 November 2005 - 17:06
best reset circuit for slow rising power!
Hi, what's your opinion? What's the best (small pin count, low price, securest) reset circuit for micro controllers for slow rising power? best regards
Wednesday, 29 June 2005 - 19:50
where to get this connectors?
Hi everybody! Do anybody know, where I can get this kind of connector! I hope, you know what I mean! Unfortunately my handmade picture is not very well! :-) best regards
Wednesday, 29 June 2005 - 18:53
triac environment
Hi everybody! I'm not very good in this analog stuff and it's my first try with a triac! What do you think of my safety considerations? Any suggestions? Could this work? (It works...
Monday, 6 June 2005 - 21:05
230V AC -> 5V DC (60-100mA) ???
Hi everybody! I have a PCB with very small dimensions! So I have no space for the conventional way with trafo, rectifier bridge,... So do anybody have ideas or know any parts...
Friday, 20 May 2005 - 11:19