EmbeddedRelated.com

Johan Hartman (@jeghartman)

I am a freelance embedded engineer - specifications, hardware, firmware and software development. I have been in business as a freelance engineer since 2003, serving 48 different customers with more than 150 projects at this time.

Re: Software Bugs

Reply posted 5 years ago (05/28/2020)
Hi There, This is going to sound like a very simple answer. One can debate this. But, ultimately, all high level programming languages are compiled to assembler,...

Re: STM MCU for GPS Tracker

Reply posted 5 years ago (04/21/2020)
Hahahah. yes true. Early morning lack of caffein.

Re: STM MCU for GPS Tracker

Reply posted 5 years ago (04/21/2020)
Hi rp346,Pro's for an 8 bit processor. There are still huge volumes of 8 bit processors shipped every year. There are good reasons for this. If you are new to the...

Re: Embedded Systems Engineer Interview Questions

Reply posted 5 years ago (06/07/2019)
Hi Stephane,All of the other answers makes me think of the following anecdote.The personel managers at Ford came up with the idea of a standardised set of questions...
Hi Charles,A JTAG or SWD debugger can normally be set up to give a breakpoint on data change if you want to do this for debugging.If you want to do this in a running...

Re: Datalogger for an embedded system

Reply posted 6 years ago (03/11/2019)
Hi Steven.English is not my mother tongue either, so no problem.You understnad correctly: You can do it the way you describe in you last paragrph. But you really just...

Re: Datalogger for an embedded system

Reply posted 6 years ago (03/10/2019)
Hi Steven,I think you get the gist of it.The idea is to reduce your search space at startup with the zero bits from the bit array from a single sector, or a couple...

Re: Datalogger for an embedded system

Reply posted 6 years ago (03/10/2019)
Hi Steven,If you are going to use a single sector or a couple of sectors, to store a reference to where to write next, you are going to have high wear rate on those...

Re: Event Driven Protocols for RS-485

Reply posted 6 years ago (07/17/2018)
I agree that you want to keep using the RS485 bus for its strong noise immunity. I use a protocol I have defined and implemented myself, using the following principles.>...

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