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Hi all, I have just purchased a pic programmer tutorial kit from Velleman. It is called K8084 PIC programmer. it has a PCB that you have to populate and programming software on disc. I'm using an Advent7340DVD laptop. Here's what I've done and the problem i'm having now: (1)Populated circuit...

Fsmyth wrote: Generally, small switching supplies benefit from the input and output lows common (noise reduction). As long as the common (ground) is negative on both, there should be no problems. I do it routinely when driving steppers. There are methods to add/ subtract the input voltage to...

Thanks for info guys. Just wasn't sure whether it was OK to do this as i'm just a junior at the moment....yes I did ask the engineers but I still wanted to check it was OK. Regards Andrew

Hi all, I'm using a DC-DC to drive a logic circuit from 12V, trouble is I need to make the ground of both the logic and power circuit common as they interface and power the same unit, this unit runs off of the 12V that I use to feed the DC-DC but the logic circuit also drives parts of this unit...

Thanks for the reply, The product is really only a one-off at the moment and if it goes into production the testing will become more automated and TBH I doubt I could design an automated test station with my limited experience at the moment. What i'm trying to figure out at the moment is how to...

Hello everyone, I'm a graduate of electronic engineering and have just started my first job so bear in mind I'm quite new to all the tech talk etc. I'm looking for some help on a project i'm working on at the moment where i'm involved in designing a test system for a simple 12V activation...