Hobby Electronics Basics

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two USB slave:Interface

I want to transfer data stream from one USB slave chip to another USB slave chip(single direction). Shall I interface a...
0 comments posted 21yrs
posted by zhushenli
0 comments posted 21yrs posted by zhushenli

8-bit A/D converter?

(This is continued over from another thread which no longer concerns quadrature) I need a circuit to read a potentionom...
17 comments posted 21yrs
posted by usenet_daughter
17 comments posted 21yrs posted by usenet_daughter

USB and digital power supply

I'm working on a project using a PCM2902 (TI) DAC chip. In the data sheet, on page 27 (typical circuit connection), it...
2 comments posted 21yrs
posted by newszz10
2 comments posted 21yrs posted by newszz10

Convert demodulation I/Q to soft Data

I found the signal after demodulation module are Data_I[q:0] and Data_Q[q:0]. How to convert Data_I[q:0] and Data_Q[q:0...
0 comments posted 21yrs
posted by zhushenli
0 comments posted 21yrs posted by zhushenli

basic properties of a trimmer pot

I've never actually designed a circuit that used a trimmer pot, and I'm a bit ignorant of their basic properties, and I...
9 comments posted 21yrs
posted by jalex
9 comments posted 21yrs posted by jalex

please help- which board to buy

Hi all, I am considering buying a DSP board to get some hands-on experience in working on DSP. I have theoretical knowl...
1 comments posted 21yrs
posted by raghavendra.ma
1 comments posted 21yrs posted by raghavendra.ma

analog to quadrature converter?

How difficult would it be to make an analog to quadrature converter, that reads a potentionometer, and detects a change...
45 comments posted 21yrs
posted by usenet_daughter
45 comments posted 21yrs posted by usenet_daughter

12 volt to A/C converter?

I am new here, but I have a question that ought be readily answerable. Have this RCA AC/DC TV that only has the auto 12...
1 comments posted 21yrs
posted by wilgrow_co
1 comments posted 21yrs posted by wilgrow_co

BCD Up/Down Counter

Hello everyone! I am using a presettable BCD up/down counter (CD 4029BE) in my project. I want to test the counter IC b...
4 comments posted 21yrs
posted by Raghunathan.Appavou
4 comments posted 21yrs posted by Raghunathan.Appavou

555 used as a delayed pulse generator?

I'm looking to set us a simple way to turn something on after 10 seconds. The resulting output after the end of the 10...
10 comments posted 21yrs
posted by admin
10 comments posted 21yrs posted by admin

How to replace AC converter with battery ?

Hello group, I have a Bluetooth serial plug, working with an AC converter that outputs 5V 800mA. I would like to use th...
4 comments posted 21yrs
posted by jachardy
4 comments posted 21yrs posted by jachardy

Fuse with colour band ?

I pick up one fuse from the floor,the fuse was 5x20mm miniature fuse without any written rateing except colour band pri...
0 comments posted 21yrs
posted by mowhoong
0 comments posted 21yrs posted by mowhoong

Triple AAA round holder for torch

Looking for one of those round triple AAA battery holder as use in many small torches, (for spare) anyone know of a sour...
1 comments posted 21yrs
posted by gef
1 comments posted 21yrs posted by gef

Microbee 32 tape encodeing?

I have a few tapes written with the wordprocessor application in "Microbee 32" (might be 128?) that I wish to read back...
0 comments posted 21yrs
posted by pbdelete
0 comments posted 21yrs posted by pbdelete