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SO8N package - pin 1?
Hi all,   I've got some 8 pin SOIC package chips in a tape. Pin 1 is not marked in any way on the chip!  There is no notch on the pin 1 end, no dot molded into the part...
Tuesday, 10 March 2020 - 23:23
Wetted switch contacts
Hi all,   I tried an experiment today which was completely successful and the info may be of use to some.   I have a small quantity of GALINSTAN which is an eutectic...
Monday, 9 March 2020 - 05:25
Calling a function by address
Hi all, I would like to know if it is possible to call a function by address as well as pass data to it and return data from it? For example, if I write a function that takes two...
Saturday, 7 March 2020 - 06:00
AVR xml files
Hi all,   I use Linux and therefore cannot use or install AVR Studio. I don't even want to, but I do want to get a copy of all the AVR xml files that have individual chip...
Thursday, 5 March 2020 - 10:36
Strange operator - what does this mean and/or do?
Hi all,   I was looking at the file wiring_shift.cpp in my Arduino setup and saw something I've never seen before:   void shiftOut (int dataPin, int clockPin, uint8_t...
Saturday, 18 January 2020 - 23:07
Possible to use a variable to point to Serial or LCD or other char devices?
Hi all,   What I'm trying to figure out is how to use a variable to point to different character devices. Here's an example of what I want to do:   static LiquidCrystal...
Monday, 23 December 2019 - 23:18
Question about flash memory as used in an SSD or MCU
I hope this is in the correct forum. If not, mods please move it and my apologies. OK... we know that EEPROM and FLASH memory must be erased prior to writing (that is, bytes or...
Friday, 13 December 2019 - 07:31
SMD crystal package modification question
Hi all, I like to use crystals vs resonators for AVR boards (both Arduino and home made standalone). To replace the resonator on an Arduino board, a 2 smd no-lead package of size...
Tuesday, 22 October 2019 - 14:09
PWM control of a PMDC motor question
Hi all,   I have a Pololu "Baby Orangutan" controller board with a Toshiba TB6612FNG dual H-bridge IC.   The PWM mode of operation of this chip (see truth table) seems...
Thursday, 10 October 2019 - 13:44
ATMega328PB Datasheet error!
Hi all,   There seems to be a glaring error in the ATMega328PB datasheet (see attached image - click for full size):     The area in yellow is the problem....
Monday, 7 October 2019 - 05:37
Problem with fdev_open and certain printf formats
Hi all,   For all of my AVR projects, I set up the standard input, output and error streams using fdev_open() instead of the ridiculous "Java-like or Arduino-like" method of...
Thursday, 3 October 2019 - 07:06
Dual TinyX313 / TinyX5 programmer board wierd!
Hi all,   I was building a little board with a 20 pin ZIF socket on it and intended it to be able to program either ATTinyX313 or ATTinyX5, connected to a (genuine) Atmel...
Saturday, 16 March 2019 - 05:03

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