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8
votes
5answers
2k views

What do I need for a basic RF circuit?

I'm looking for any resource that can help me build a very very basic RC circuit. I'm talking as simple as using RF to turn on/off an LED. The purpose of this circuit is for research and education. If ...
1
vote
3answers
217 views

How do I reliably connect power, ground and signal to a remote device?

I am building an arduino-based multi-event (light, sound, vibration) high speed photo trigger. I'd like to house the arduino and display in one box, then be able to connect a remote sensor device to ...
-4
votes
1answer
316 views

Smallest Delay Possible in a RF Remote Control

I have a very basic knowledge on electronics but that's it. so I don't know this topic well. Altho, I'm able to assembly a circuit , check it and make it work. I've been searching for info about RF ...
1
vote
1answer
273 views

Help me build an autonomous remote wind station + camera [closed]

I'd like to build an autonomous remote wind station + camera that I can install near my favorite kitesurfing spot so that I can Know in "real-time" both speed and direction of the wind See what's ...
0
votes
0answers
338 views

How to attach DC motor to RC car wheel? [closed]

I have some spare RC car wheels that my friend gave me, they're 1/10 onroad tires with hexagonal joints and I have a small electrical motor like this one and I'm wondering what's the best way to ...
0
votes
2answers
269 views

IR TV/Satellite remote control

I was searching the web to get full knowledge of IR remote controls. My satellite receiver (Humax)'s remote control got ruined. So, I unscrewed the remote control took a look inside it. I know IR ...
1
vote
2answers
551 views

Netduino/Arduino to Variable Resistor

Hi Guys — I'm a developer and I want to have a bit of fun with electronics. I don't know much about it so I have a bit of a question. I'm pretty sure this can apply to Netduino, Arduino or any other ...
2
votes
2answers
536 views

Connecting both WiFi and 433MHz Tx/Rx to one Arduino

I would like to use an Arduino to relay data from a 433MHz sensor network to a WiFi web server. I know that the Arduino has the web server ability, using a WiFi shield, but I would like to know if one ...
4
votes
3answers
369 views

For remoting 1000Base-T ethernet connector, is it better to remote PHY from magnetics or magnetics from connector?

I'm in need of remoting the gigabit ethernet connector from the main board to a back end board that has all the other connectors. I plan on doing this with a high speed board to board connector ...
3
votes
3answers
503 views

tiny RC receiver for bristlebot?

I made a small bristlebot. my version can turn left and right using two vibrators and is controlled by an ATTiny uC. I would like to add remote control functionality so i'm asking what's the simplest ...
3
votes
2answers
322 views

How hard would it be to hack a “personal soundtrack shirt”

I imagine this is an unusual question for this SE site but here it goes. I just bought a "personal soundtrack shirt" from think geek. This shirt is really cool. It comes with a built in speaker an ...
0
votes
2answers
168 views

Extending UM91214B to support more channels

In this circuit's description, It is given that we can extend the circuit easily to generate up to 12 DTMF signals. How can that be done?
1
vote
3answers
618 views

Awesome modems with Arduino compatibility?

I'm looking for a modem that can hook up to the input port on a portable ham radio and an ardunio board serial connection. Not really interested in APRS, it's too high level for my needs (long ...
2
votes
2answers
512 views

RF Receiver for USB

I wanted to make a wireless 6 or more channel remote controller for PC. The receiver connected to PC through USB or any interface possible in a modern laptop. More specifically I want an idea to ...
2
votes
3answers
808 views

How do they remote control the military drones?

I am interested to remote control something (sorry for the vagueness) over a distance of several hundred kilometers to a place where there are no internet cables. Therefore, I am interested to know ...
0
votes
2answers
308 views

Safe to open old sony remote?

I have an old sony universal remote, the rm-v15. I opened it to get to the pcb, and a strange nasty smell came out of it. Is there anything I should be worried about? Any hazards used in old remotes?
0
votes
1answer
426 views

In need of hardware to connect to a mysql server over gprs

Has anyone come across any hardware that we can put out on a remote site (in a field) that uses a sim card to create a gprs connection to a mysql database server. I've looked at the arduino but that ...
1
vote
3answers
177 views

Modifying AA powered toy engine to be remotely turned on/off

I want to make a remote for Thomas Battery Powered Engine that will allow it to be turned on and off, but I don't even know where to start. I assume I'll need a receiver that can toggle power on and ...
11
votes
5answers
670 views

How do low price toys implement RF communication

I have seen toy remote controlled cars and other toys available for real low prices. How do they implement RF communication? I mean to say when I search for RF units to buy they come at a pretty high ...
0
votes
5answers
4k views

Fix remote controller button contacts

On almost every remote controller the buttons stop reacting after a while, and you end up squeezing the remote out of his life while trying to switch the channel... I found some link where it ...
3
votes
2answers
703 views

Components for a WiFi enabled IR controller

I don't have any experience with electronics really but I do have experience in programming. I'm interested in writing a program to control my stereo, TV etc. To achieve this I'll need a piece of ...
4
votes
3answers
3k views

Cloning a 433Mhz Transmitter using RWS-375 Receiver

I've bought that famous Receiver/Transmitter RWS-375 and TWS 375. I want to clone the remote control of my garage door. So I connected the RWS-375 in my Arduino, and build a program to receive the ...
3
votes
4answers
2k views

Connecting the Wii remote to a computer via Bluetooth

How do i connect a Wii remote to my Mac via Bluetooth?
4
votes
3answers
3k views

Using the iPhone to control a remote controlled car via Arduino

So i started this project a while back where i made a remote controlled car that i could control with the directional buttons on my keyboard via an Arduino -> now the next step i want to do is to get ...
6
votes
2answers
893 views

IR Remote code for Arduino

I've just hidden away our entertainment centre electronics including our Infrared controlled DVD Player, Amp and Mac Mini . I was wondering if there is any IR Remote code for Arduino, that I can use ...