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Connecting USB generates voltage spikes in circuit.
Started by 3 years ago●6 replies●latest reply 3 years ago●705 viewsHello, 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...
MSP430FR5994: ADC_12 RDYIFG Flag issue and siginificance of diffrent ADCMCTL registers and CSTART ADDRX bit
Started by 3 years ago●147 views1.For last few days i have been trying to configure the ADC to measure the battery level. So here i am using the Reference voltage generator as ref to ADC.As we...
I Need a Test Specification Template
Started by 3 years ago●2 replies●latest reply 3 years ago●106 viewsI'm sorry that this isn't related to embedded systems but I'm in a bit of a pickle. I have to write a test specification document for a vibration test for motorcycle...
12-bit ADC in MSP430FR2476 seems not to work properly
Started by 3 years ago●2 replies●latest reply 3 years ago●171 viewsHello friends! This is my very first question on this site. Here is the problem: I am trying to initialize the 12-bit built-in ADC on MSP430FR2476, but no matter...
I just heard from one of my contacts on LinkedIn – he sent me the following message (he told me I can share it) asking for advice:--------------------------So,...
Need of 5V to 3.3V conversion for using the eQEP module?
Started by 3 years ago●8 replies●latest reply 3 years ago●249 viewsI am trying to run closed loop V/F control on an induction motor using the TI C2000 TMS320F28069M board. I need to sense the speed in order to develop a speed controller...
Hello!I have a board with the AT89c51ED2 processor. It's work, I see
Clock oscillator with my oscilloscope , but doesn't work serial
comunication. Somebody Have...
How to build a network of tiny micros?
Started by 3 years ago●12 replies●latest reply 3 years ago●200 viewsHi all. I am designing a system for controlling a multitude (150!) of
thermoelectric cooler units. Each unit's current magnitude and
direction must be individually...
Interfacing STM32F429 with HD4478 LCD that has PCF8574T IO Expander Backpack using I2C
Started by 3 years ago●11 replies●latest reply 3 years ago●193 viewsHi everyone, having a bit of an issue that is making me want to pull my hair out. I am trying to write from an STM32F429ZI to an LCD that has the PCF8574T IO Expander...
Interface mems microphone to microcontroller
Started by 4 years ago●8 replies●latest reply 4 years ago●256 viewsHello,I am trying to connect a differential mems microphone’s positive output to a microcontroller.The positive output of the mic has a nominal voltage of 0.8V....
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