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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 6 years ago16 replieslatest reply 1 month ago2150 views
It's been a few months since the launch of the new forums.  Here are a few thoughts. The thumbsup and beer buttons    If there is one thing that could have a...

AMD chip AM27C256-120DC

Started by Old_Physics 7 months ago25 views
Hello,I have a PSI (Power Solutions Inc.) electronic engine control ECU with the following information:Part Number:  LS20-1-P100-001Serial #:  1601 A  0012Possibly...

Reference Designs for Solar Inverters?

Started by dcomer 7 months ago26 views
Does anyone have links, tutorials, or related information on open source (HW/SW) inverter designs suited for a good SW controlled micro-inverter (DC->AC) for...

Connecting USB generates voltage spikes in circuit.

Started by pcbGuru 8 months ago6 replieslatest reply 8 months ago145 views
Hello,           I have a PCB with an MCU, opamps meant to measure a weak differential signal from a sensor. Every thing works as expected. However when I...

people detectors using antenna

Started by moscardo 12 months ago26 views
Hi guys,after after coming across a 2004 installation by Carsten Nicolai titled "anti" where he used a theremin as an element for presence sensing, I was wondering...

EMC and Crystal Oscillators

Started by EEFmc7 12 months ago1 replylatest reply 12 months ago26 views
I am designing an acquisition system that has two parts, a hub and an acquisition part that collects the signals. The two parts communicate through FPGA Serdes.The...

Very low op voltage low current SMPS

Started by johnpote 1 year ago5 replieslatest reply 1 year ago29 views
Hi everyone,Just wondered if any of you have ideas on designing a very low voltage low power SMPS. It's for a 1 off home build fun project for my shed. I've inherited...

motorola HC05 mask sets

Started by danielek 1 year ago2 replieslatest reply 1 year ago116 views
Hi all,I am a hardware repair technician, and deal with the below MCU with mask sets: Im in need of some help of possibly an engineer that may know?MC68HC705X32...

Serial Peripheral Interface. Master/Slave with FIFO

Started by Ali23 2 years ago1 replylatest reply 2 years ago40 views
Dear Forum participants,I am working on an implementation SPI hardware interface in VIVADO. I have already read a lot of basic information about it.My planThe bus...

Triac not triggering

Started by Julian104 2 years ago1 replylatest reply 2 years ago39 views
I am trying to reproduce an electric fence unit that was discarded by a neighbour. It was left open in all weathers and very muddy. I've cleaned it enough to identify...

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