Questions tagged [remote-control]

For questions related to the remote control of devices and the design of remote controls.

Filter by
Sorted by
Tagged with
2
votes
4answers
2k views

Increasing voltage to motors

I'm got a RC car, which can go forward and backward and it's supplied by ~5V battery. At this moment the circuit looks like this: and the board can swap ...
2
votes
1answer
601 views

Can I use this Anker Astro 3e to power my arduino through the usb?

http://www.amazon.com/gp/product/B009USAJCC/ref=oh_details_o00_s00_i01?ie=UTF8&psc=1 Will there be any electrical problems? I'm building a arduino controlled car (with a chassis like this: http:/...
1
vote
1answer
15k views

Increase the range of RC controller

I got a old RC car + controller, I would like to increase it's range. I did a research and I found a idea here. The idea states: Here's what you do. Parts: one (1) NPN transistor. Tools: Soldering ...
0
votes
1answer
2k views

Using 27MHz car with 49MHz remote control

I managed to do something like this guy here, but after I connected the Arduino to the 49MHz remote control, I figured out that I have another car which works on <...
1
vote
1answer
156 views

Connecting RC remote to Arduino

I found a old RC Car. I'm electronic begginer, so my question might be dump, but I can't figure out how I can do this. I Separated the remote and connected it's power to the Arduino board. At this ...
2
votes
1answer
11k views

Cause of difference in theoretical and experimental values of RC time constants

What accounts for the slight difference in the theoretical and experimental values of the time constant in a simple RC filter? The slight difference was just (.5*10^-4) seconds
0
votes
1answer
613 views

Isolated closing contact other than relay?

I need an isolated closing contact, like a relay, but ideally solid state. Rating 24V 100 mA on the contact side would be plenty. 1 kHz operation would be enough as well. I will drive this from 5V 25 ...
-1
votes
1answer
218 views

Remote Control Circuit

I tried to build a kind of R/C catamaran working with computer fans using an R/C car circuit (27 MHz). The original circuit uses 6V batteries but the fans uses 12V. To make the fans faster, I've given ...
1
vote
5answers
3k views

variable-speed focus PTZ protocol

I'm building camera systems to mount on top of a TV tower. When storm clouds roll, in the video is displayed on the TV weather report. No one wants to climb the tower to manually pan and tilt and zoom ...
1
vote
1answer
172 views

Connecting Arduino to a Monster iEZClick Remote

I am looking to do a project with an Monster iEZClick Remote Control using an Arduino Pro Mini 328. The Monster iEZClick Remote Control is an RF remote that transmits to an iPod socket connector that ...
5
votes
3answers
2k views

Recommendation for ADC noise filtering?

I'm using an ADC (adc081c021) with a pretty noisy input: There is also a 5-second video here: http://tinypic.com/player.php?v=2ue47cm&s=5 The objective is to detect the two peaks. How could I ...
-1
votes
2answers
196 views

iPhone control LED light without wifi

I am fresh to the electrical engineering, and actually I am a web developer, ruby and php, etc. I am wondering that is there a simple way to control one or more LED lights using iPhone without wifi ...
2
votes
2answers
636 views

What is the capacitor charging time when charged with a pnp current mirror circuit?

I want to use a 555 in monostable mode to make a ramp signal generator. The capacitor would be charged using a current mirror circuit. Given a input voltage, what would be the charging time of ...
-3
votes
1answer
622 views

How does remote switches learning system work? [closed]

I've been searching like crazy for none success so now im asking you guys. You know these electric control switches that you can turn on and off with a radio wave remote control? Usually the remote ...
2
votes
4answers
637 views

Identifying SMT element 331K

I am trying to repair a remote from a car lock. The symptoms are that a red led is lit longer than usual after button press and no respond from car lock. It works sometimes. The battery and ...
0
votes
1answer
11k views

Using a PNP transistor with Arduino to close a circuit

I have teared down a radio controller of an RC car. I'm trying to control the car with a PC through Arduino Mega 2560 Rev 3. The controller is very simple. It takes 9 V in. There is six wires to ...
1
vote
1answer
488 views

Controlling Analog RC Car Remote with Arduino

I want to take my RC car remote, which uses a potentiometer to control throttle, and connect it to an arduino in order to control the cars speed. The ardunio fits perfectly in the base of the remote. ...
0
votes
2answers
352 views

IR Remote, use a relay to send on and off pulses

I have a little problem. I'm using the raspberry pi to send a output signal from the GPIO pins to activate / deactivate the relay. I have a IR remote, when i short the two "connectors" on (for example ...
1
vote
1answer
1k views

IR remote output signal without IR Led and TSOP

I have IR receiver module based on AVR + TSOP, it gets IR signal from remote and passes it to RF tranceiver. Now I want to make some improvements and try to connect output (IR Led pins) of IR remote ...
5
votes
3answers
4k views

Identify an IC Found in a Garage Door Opener

Inside a defunct garage door opener I found this IC: I tried searching for 33192C with variations of 'datasheet' and such keywords, but I got routed to the usual datasheet farms who are happy to let ...
2
votes
1answer
710 views

Arduino infrared problem with universal remote

I am playing with Arduino and Ken Shirriff's IR library. I am trying to control Sony audio receiver using codes I found on the net. Everything works OK, I am able to control the device by sending IR ...
-1
votes
1answer
602 views

RC AM senders/recievers: Changing the crystals, and using Servo PPM as a 1/0 switch

I am trying to use a 27mhz RC car controller to send to an RC Car AM reciever and use that output (short 1-1.5ms pulse of a few mA) to trigger a 5V relay, with the signal stabilised via a ...
2
votes
1answer
8k views

Arduino alternate PWM input method

I'm working on a rudimentary flight stabilization system for an airplane, which reads in 4 PWM inputs from an R/C receiver. The problem is, the pulseIn command is taking far too long to execute, so I ...
1
vote
2answers
1k views

Where to place a RC filter regarding decoupling capacitor?

I would like to add a low-pass RC filter (500Hz) to the power rail of a TLV2782 op-amp. Datasheet of TLV2782 recommends two decoupling capacitors: 0.1uF and 4.7uF and they are currently placed on the ...
0
votes
1answer
1k views

Replacement for 5610 Transistor

I have a circuit (from a RC car) that uses a 5610 transistor, which can't find in store. Is there any equivalent transistor? Here are pictures of the board (click here for high resolution images):
4
votes
1answer
1k views

Are there any RF remote control circuits without any ICs?

I'm currently trying to make a simple 3 channels RF remote control circuit but without any ICs or micro-controller. I'm Googling but it seems to not populate (useful results). Does anyone have ideas?
3
votes
1answer
2k views

Controling a regular residential 110V/15A circuit switch (or relay) from a PC

I am a software engineer by trade and also a rather skilled and well rounded (residential) builder with a special interest in wiring. I have rewired my entire two-unit house, panels included and seen ...
2
votes
1answer
8k views

How to calculate the range of a RC transmitter

When searching for a transmitter for a RC application in most of the cases they don't provide anything about the range of the module. Just power and the frequency. The Tx power must relate to the ...
3
votes
1answer
198 views

Aren't UBEC's just packaged voltage regulators?

I'm working on a project where non-trivial currents (theoretical peak ~6A) are needed at several different voltages. Since this is battery-powered, I initially started looking at finding an ...
1
vote
1answer
258 views

Voltage regulation threshold

I am designing a 5V digital circuit and I want to make it generic so the user has some flexibility in the VCC input limits. The problem is, since the MCU has to run at 5V, I have to ensure it will get ...
38
votes
7answers
74k 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 ...
9
votes
1answer
4k views

How to use an ESC

I'm new to RC related modules. Today I got my Hobbywing's Skywalker 20A brushless esc. Manual is here. I also have a brushless outrunner motor (HL3512) I don't ...
0
votes
1answer
401 views

Can we use PWM on the cheap RX{n}[letter]-TX{n}[letter] Integrated Circuits

The market has been inundated with cheap RC toys. Most of them use the RX/TX Integrated Circuits that have 5 to 9 functions: PT0090 Series Datasheet RX2/TX2 Datasheet All of them operate on an ON/...
3
votes
2answers
911 views

controlling canon camera

i have a canon EOS 550D and i want to control it from computer. i had good result with taking photos with an ir led, arduino, and multi camera ir control library but i want to control also focus, and, ...
3
votes
1answer
100 views

How do remote access devices work without a cellular connection or internet

This is a sample of one such device i am talking about, i seen a wireless "external hard drive" like electronic at best buy that you can access movies from it without wifi and i have been constantly ...
4
votes
1answer
2k views

Options For Controlling an RC Car

My friend and I are trying to design a remote controlled car and one of the aims is for the controller to be a smartphone. The original idea was, have a transmitter plugged into the audio headphone ...
8
votes
3answers
7k views

Why would an IR remote circuit use one resistor/transistor pair for each LED?

I've done some reverse engineering work on the protcol for a remote that... sucks. I'm replacing it with one of my own design, but while I've improved on the interface, the range and view angle of my ...
3
votes
1answer
711 views

Connecting to external chip (device)

I want to create mobile app that will control some external simple mechanical device. I want to use bada wave s8500 for this purpose so have access to Bluetooth and WI-Fi. Now I'm looking for advice ...
3
votes
4answers
2k views

Arduino: Controlling a RC car remote

I have a Carson Reflex Wheel remote control for my RC car. It has two potentiometers, one for accelerating and one for steering. My goal is to control the RC Car from my PC by sending commands via ...
-4
votes
2answers
492 views

I broke my steering coil, where could I get I new one? [closed]

I broke this coil: Does anyone know where I can pick up a similar coil? It was placed in my Nikko RC toy car (Nikko Tiger 2).
5
votes
1answer
1k views

Sending a analogue signal?

I have this old Nikko Tiger 2 RC car I've been playing around with. At first I disassembled it and played around with the parts and my parts (motor controller++). But then I asked myself, can't I use ...
4
votes
2answers
365 views

Why don't my coil work?

I disassembled my old Niko RC car today. Thought I could play around with the parts. But what I can't seem to understand is the coil. The powersource of the rc car is a 7.2v NiCd 620mAh battery. And ...
0
votes
2answers
173 views

How do I get this spool to work?

I have this spool (image) and did some testing with a multimeter before I disassembled it. It's working range was [-3.3v,0v,3.3v]. When I tested it by just applying the battery after disassembly ...
2
votes
2answers
2k views

Will this power supply fit my LiPO charger? [closed]

I just got my brand new LiPO battery charger. It is require 12 volt pover supply. I saw people are using car battery, pc power supply to this charger 12 V. but i'm not sure about current it is ...
0
votes
1answer
361 views

Electric Power Systems for a qudrocoper base on 30amp Speed Controller and NX-4008-620 - NX-4008-620kv Brushless motor

I'm in mood to put together my own quadrocopter. Just before I ordered parts wanted to some experts to tell me if configuration if compatible enough. Or maybe you have better suggestions for this ...
4
votes
3answers
4k views

IR to audio converter (frequency and level)?

What kind of IR detector and converter circuit could be used to down-convert an IR remote signal (in the neighborhood of 35 to 45 kHz) into audio frequency signals (0.1-20 kHz) of the appropriate ...
4
votes
1answer
2k views

BLDC Regenrative ESC and LiPo [closed]

I am currently working on a project where I want to implement a Brushless dc motor (like the Turnigy C2226 - 1800kv) to run in-hub of an RC car. I need this entire project to be as lightweight as ...
2
votes
2answers
214 views

Given a source of mechanical input, can an RC motor charge it's own battery without extra cicuitry involved?

Background I took my RC quadrotor to a windy field this weekend to fly it around. After the battery died, I retrieved it and while carrying it back home, I noticed that the wind was spinning the ...
13
votes
3answers
17k views

How to measure current to a DC motor?

I'm trying to measure current to a DC motor on an RC car I took apart. The car is powered by 3 AA batteries and seems to be made of three different boards. Two of the boards are for switches and LEDs, ...
3
votes
3answers
823 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 ...

1
3 4 5
6
7