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USB connect to MSP430 Launchpad influence input voltage

Started by vivitern 2 years ago2 replieslatest reply 2 years ago217 views
I'm trying to read an audio signal from an Android phone as a serial input to an MSP430G2553 (datasheet: http://www.kynix.com/uploadfiles/pdf65976/MSP430G2553IN20.pdf),...

Problem of Input voltage for LM4862 audio amplifier

Started by vivitern 2 years ago7 replieslatest reply 2 years ago168 views
I just started working on an embedded side project that requires me to pump .wav files through headphones.My main microcontroller is a PIC32, and my audio amplifier...

Estimate battery run-time in real-time

Started by dudelsound 2 years ago3 replieslatest reply 2 years ago168 views
Hi everybodyI have an interesting problem to solve. I am working on a product that runs on two AA-batteries - could be alkaline or NiMH (or Lithium or NiCd, but...

Behringer BXL1800A Ultrabass Amplifier

Started by Rayonthetrack 2 years ago6 replieslatest reply 2 years ago127 views
Hey Guys,I am an amateur electronics hobbyist working on a repair to this bass amp. The problem when I initially received the amp was the output sounding from the...

Power supply for router.

Started by casperPro 2 years ago6 replieslatest reply 2 years ago87 views
Hi,        I am trying to power an AR9331 router using a power supply I have made. The AR9331 requires a 3.3V supply. My power supply takes 12V as input,...

Ultrasonic 2/5 KW Power Amplifiers

Started by naumankalia 2 years ago20 views
Hi allI am searching some commercially available industrial grade power amplifiers:1.In the frequency range of 80 KHz to 140 KHz with output power of 2 KW to 50...

ZigBee Preamble

Started by cogwsn 2 years ago5 replieslatest reply 2 years ago376 views
Hello, In ZigBee (802.15.4), is there a preamble like WiFi (STS, LTS). I have not studied much details, but from first view it looks like there are sequence of...

Cross talk in ADC channel due to noise on PCB

Started by fatimak 2 years ago5 replieslatest reply 2 years ago155 views
Hi,    I am working on a board with 4 Dual-Channel ADC ADS42LB69 and though the ADC has a 100 dB channel isolation the cross talk on the channels due to PCB noise...

Regarding current limiting series resistor

Started by sgeorge979 2 years ago3 replieslatest reply 2 years ago115 views
Hi All,I am writing regarding an article that I read, "Protecting Inputs in Digital Electronics" written by Solutions Cubed, Inc.in Digi-Key's technical library,...

New Email Notifications System

Started by stephaneb 3 years ago5 replieslatest reply 2 years ago200 views
If I implemented the new email notification system well, this new thread should trigger an email notification to all members who have been approved to participate...

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