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Donut Mathematics

Started by MaxMaxfield 6 months ago65 views
Your knee-jerk reaction may be that this is not embedded related -- but even embedded designers have to have a hobby -- and I'm currently working on a project that...

MSP430 MCU Current Draw in LPM Mode

Started by mt1985 7 months ago66 views
Hi there.I have a custom board that designed by me with MSP430FR series MCU. The circuit is designed with low power consumption manners. When the firmware is not...

Wifi module prefered interface

Started by JackTravis 8 months ago5 replieslatest reply 7 months ago90 views
Hi, Wondering if someone could detail the pro and cons of using a programmable Wifi module VS a AT command controlled one. I never was a big fan of AT commands...

analog linear amplifyer connected to a plasma transmission device

Started by gillhern321 7 months ago6 replieslatest reply 7 months ago54 views
Plasma devices are NOT my forte but being asked to help out another engineer, i couldn't refuse. so here I am (sigh).Testing analog linear amplifier to a plasma...

Sending Data From TI TM4C123GH6PM to an HD4478 LCD with a PCF8574T I2C Backpack

Started by Elliott_Embedded 7 months ago6 replieslatest reply 7 months ago99 views
Hello everyone, I am trying to write a program that will enable me to send data from my TI microcontroller to the very common HD4478 LCD. Rather than utilizing a...

Audio Signal Filter

Started by RogerG 9 months ago15 replieslatest reply 9 months ago267 views
I am after some help.A few years ago I built an analogue signal audio filter to provide high frequency, mid range and low frequency for my audio amp. This works...

Determining the index of a value in a struct

Started by MaxMaxfield 10 months ago9 replieslatest reply 10 months ago93 views
This is based on some questions I posed (and you all answered) before. Suppose I have declared NUM_SETTINGS to be equal to 3. Let's also assume I've defined FRED...

Formal Verification of Software

Started by MaxMaxfield 10 months ago10 replieslatest reply 10 months ago112 views
I'm just trying to get a feel for things here. I'm a hardware design engineer by trade. I'm familiar with the concepts of formal verification with regard to designing...

HardFault during erasing Flash in debug mode

Started by ayoubt 10 months ago4 replieslatest reply 10 months ago88 views
I've written a custom bootloader using C to run on ARM cortex_M4 but I had a HardFault exception when using the debug mode. This exception appears just in debug...

Interfacing MSP430 FRAUNCHPAD with MAX30102

Started by slow_breath 11 months ago2 replieslatest reply 11 months ago92 views
Hi all, I'm trying to interface the MAXIM MAX30102 with the MSP430FR5739 using I2C protocol. I'm using pull-up resistors (4.7 KOhm) on SDA and SCL lines, using...

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