Search found 35 matches

by Clayton
Fri Mar 10, 2017 2:16 pm
Forum: Introduction
Topic: Howdy from Tennessee Y'all
Replies: 0
Views: 1749

Howdy from Tennessee Y'all

ME/ Fire Engineer working in the valley. Wasting time waiting on PE results....again....arrggh.

Oh and if someone knows how to calculate the cut score pm me the answer.
by Clayton
Wed Mar 08, 2017 9:32 am
Forum: Electronics Projects
Topic: What are the components required for a paper circuit for transmitting data to android mobile?
Replies: 0
Views: 1151

What are the components required for a paper circuit for transmitting data to android mobile?

Basically I am a software developer and I am new to electronics. Consider that a paper have different touch points drawn with a graphite / pencil and I would like to transmit the touch points' codes / values to an android mobile application. And I have an android app which runs a thread with a timer...
by Clayton
Wed Mar 08, 2017 9:31 am
Forum: Electronics Projects
Topic: Need to know if this freq Gen will give me a 2100Hz signal over a 25MHz carrier
Replies: 0
Views: 1250

Need to know if this freq Gen will give me a 2100Hz signal over a 25MHz carrier

25MHz Dual-channel DDS Arbitrary Waveform Function Signal Generator Specs are: Frequency Range Sine Wave Normal Modes: 0.01Hz~25MHz Square Wave 0.01Hz~6MHz Triangle Wave 0.01Hz~6MHz Sawtooth Wave 0.01Hz~6MHz Arbitrary Waveform 0.01Hz~6MHz TTL Digital Signal Wave 0.01Hz~6MHz I'm using it on a old tub...
by Clayton
Wed Mar 08, 2017 9:28 am
Forum: Electronics Projects
Topic: Diode help
Replies: 0
Views: 1070

Diode help

Hi all new here so please be gentle. I have a Polaroid led tv I'll spare you all the boring details but after some Internet research I found a problematic diode in the TV. Main question is about the numbers on these diodes as I have a few old electronic boards lay about in the shed so replaced that ...
by Clayton
Wed Mar 08, 2017 9:26 am
Forum: Electronics Projects
Topic: Aerial (roof) rotating antenna operation?
Replies: 0
Views: 884

Aerial (roof) rotating antenna operation?

The particular case here is one of those systems where you have a light antenna on the roof, a little box inside controlled by a remote control for rotating clockwise or counterclochwise and the antenna connection and box is through a single coaxial cable. My questions are: 1) is the box sending a d...
by Clayton
Wed Mar 08, 2017 9:22 am
Forum: Electronics Projects
Topic: Power output from a mobile phone aux socket
Replies: 0
Views: 1015

Power output from a mobile phone aux socket

Obviously it has a sufficient output to drive ear buds, but just how large a speaker would it drive? I like the idea of extension speakers but find the quality of bluetooth audio garbage so "hard wired" is the preferred option for me and if I can get away without a built in amp that would be great
by Clayton
Wed Mar 08, 2017 9:19 am
Forum: Electronics Projects
Topic: Transistor Help
Replies: 0
Views: 1033

Transistor Help

Hi guys, I do not have a whole lot of knowledge concerning electronics so I am turning to the forums for information. In my circuit I want to control a servo motor. But I only want to power this servo when I am using it. Here comes the transistor in the picture. With a USB supplying 5V to the collec...
by Clayton
Wed Mar 08, 2017 9:18 am
Forum: Electronics Projects
Topic: Newbie Question: 12v led ?push button latching switch
Replies: 0
Views: 856

Newbie Question: 12v led ?push button latching switch

I have a 12v led push button switch that I want to function like a regular push button that does not use any power, i.e. No led. I want to use the led, but when pushed I do not want to send power over the load, just close conductivity like a regular push button. So, is there a way to drop the 12v th...
by Clayton
Wed Mar 08, 2017 9:15 am
Forum: Electronics Projects
Topic: How do constant current loads work and how to make one
Replies: 0
Views: 865

How do constant current loads work and how to make one

Hi, I'm not the best at understanding electronics, how does a constant current load work and how can i make one, and what makes them have limits before they get fried?
by Clayton
Wed Mar 08, 2017 9:13 am
Forum: Electronics Projects
Topic: Physical size of cap's
Replies: 0
Views: 864

Physical size of cap's

I have a cap on a board that is 405v 47uf 105'c and is 50mm long by 10mm (2" x 3/8").
Can I replace it with a cap of the same value but physically smaller ? Half the size.
It is in a switch mode psu.