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
0
votes
1answer
72 views

What LC tank circuit is needed for a 318 MHz remote control 9 DIP switch for a garage door controller transmitter opener using the PT2262 IC?

I want to use the PT2262 remote control encoder to create a garage door remote. This is just for fun. (I realize I can get a universal controller 318 MHz 9-DIP switch remote for about $16.) I was ...
0
votes
3answers
100 views

How to communicate short-distance (under sea) using induction?

I need a bite-throttle on my scuba-regulator to wirelessly control my foot-mounted thrusters, which are about 1.5meters distant from my transmitter. I need only "1 bit" (on or off) right ...
0
votes
0answers
63 views

Help me identify this component in an RF transmitter

This is from a 2-channel RF Transmitter FlySky FS-GT2. I think the antenna's wire should be soldered onto this RF transmitter PCB, flat silver component, however, I do not know where to solder because ...
0
votes
2answers
78 views

Understand the calculations in an RC circuit - voltage division to polar form

I'm missing some calculation steps in an AC RC-example, and I can't understand how to get to the next step. If someone could show me, I'm sure to understand the rest. Example: A standard RC-circuit. <...
0
votes
1answer
186 views

Duplicating a 433 MHz remote control that uses "rolling code"

I'm having a 433.92 MHz standard remote control which uses "rolling code" encoding. Are other "rolling code" encoding standard remote controls interoperable, or do I need a more ...
1
vote
1answer
41 views

Switch LEDs with Servo control signal / PWM

I have a RC receiver that produces a PWM signal for hobby servos (specs below). I would like to control some LED lighting with it. What are my options? I obviously do care about weight, like I do ...
0
votes
0answers
47 views

RC PWM question - dimming LEDs

I have some automotive LEDs that I put onto an RC car. I use the RC car's 4S LiPo (14.8v) to power the LEDs and they are great. I use a hobby PWM relay board to turn them on and off and that's slick; ...
0
votes
0answers
44 views

How to identify a 2.4Ghz RF chip from LED panel remote (Albrillo)

I am attempting to identify two chips used in a remote control that enables the use of LED panels. I am trying to automate the turn on/turn off without using the remote by emitting the same RF message ...
1
vote
1answer
58 views

Connect a remote control to a laptop [closed]

I am very new to electrical engineering but I wanted to make a project using a remote controlled car. Is it possible to connect the laptop to the remote control via a wire/cable and if so which? ...
0
votes
1answer
54 views

How to reattach LCD to pcb that has power but no data?

Where do the lcd data connectors actually attach? I have been researching to attach lcd to pcb but every example I find has notiable pins from thw lcd. I can see the pins on the board but how do they ...
-1
votes
1answer
47 views

Throttling of Electronic Speed Controller with 6S lipo

Thanks for having look at this. I had an turnigy 150A ESC and 2000KV bldc motor. I calibrated ESC and it happened perfectly. I connected 3S lipo to ESC and increased the throttle from 1100uS to 2000uS....
0
votes
1answer
72 views

2.4GHz extension for RC [closed]

I’m very new to this field. We just purchased a ride-on car for our toddler. Everything works well but the distance between remote and car is limited to approx 30 ft, which we were hoping to extend. ...
0
votes
1answer
230 views

Issue with wiring eMylo remote control switch

My eMylo switch has five electric sockets (which can be wired.) The wiring diagram shows that the input positive (anode - the red wire from the 12 DC power) must be wired to the most right socket of ...
0
votes
2answers
90 views

How to increase torque in a BLDC motor

I have a 350kv BLDC motor and a 150 amp ESC. I'm using them to run a boat prop. It spins with plenty of speed in the air but as soon as I put it in water the ESC shuts down. The battery has plenty of ...
0
votes
1answer
38 views

Photodiode for PT2222

Recently I dropped my Bluetooth speaker remote and it stopped working. After testing it with remote control diagnostic tool (one of the cheap component testers from eBay that also decodes remote ...
-1
votes
4answers
338 views

RLC circuit square wave input , why isn't the output a square wave?

In an RLC series circuit if we provide a square wave signal to it, why is the output signal at R not also a square wave? Is it sinusoidal wave? I am running the simulation on Multisim.
0
votes
0answers
72 views

Does anyone know about this IC/chip from and RC helicopter?

I have an RC helicopter toy (FastLane RC Pro Flight Helicopter) which I had to disassemble for fixing. I have a chip/IC on the pcb board of that helicopter. On the chip it says 103FMTB11. I would ...
0
votes
2answers
64 views

Is running 4 18650 batteries in parallel too much current for a small RC circuit with the same voltage?

I built this small RC deadbolt lock and everything works great, however, I need to fix the issue of battery life before it is finished. Originally the circuit had a 3.7V, 800 mAh battery. I would like ...
1
vote
2answers
82 views

Purpose of Cap to Ground in this Circuit?

I came across this circuit and I am curious about the reason for C2 being where it is. If I am analyzing the circuit correctly, this is effectively just C1 and C2 in parallel. What is the benefit of ...
0
votes
1answer
60 views

Using a UA741 IC as sensor for an existing AA LED

I am trying to know if an air conditioning is ON/OFF (Daikin with only Wired Remote Control). I want to read its LED. The circuit is fed by a simple 17.8 V two wires from the machine. I've read the ...
0
votes
1answer
133 views

Making an ESP32 based flight controller [closed]

I'm trying to make a flight controller for brushless quadcopters with ESP32 using external sensors like MPU6050(Gyro & accel), BMP180(Baro), HMC5883L(Compass). I've seen lots of people make this ...
0
votes
1answer
50 views

ESP32-Cam GPIO remote control and video feed

Is it possible to control the ESP32-Cam GPIO from the web? Just like a "normal" ESP32 can create a website with buttons that turn on and off certain GPIOs Was wondering because I can't find ...
0
votes
1answer
49 views

How do I send a signal from my computer to my USB antenna

I'm trying to make an RC car that can be controlled by my computer. The heart of the car is a simple mother board from an old toy. It basically accepts a signal 49MHz from a controller with a 9V ...
0
votes
2answers
103 views

Troubleshooting IR emitters using an Arduino

I've been trying to get an Arduino to replicate my air conditioner remote signal for quite a while and I'm almost giving up just based on how annoying this task is. First things first: The Arduino I'...
1
vote
0answers
43 views

Remote Operation of Toggle Switch

I'm working in a laboratory environment, where we need to change the state of a few toggle-switches from time to time. As we want more and more remote control in our lab, these toggle-switches need to ...
1
vote
1answer
93 views

How do I calculate the transfer function of this basic terminated RC filter?

I'm reading through an electronics book to teach myself, and I'm in the section about filters. I've been following along so far, but now I'm confused about how the author came to a conclusion in his ...
0
votes
0answers
58 views

Simulate press on a rubber button infrared remote control with a Raspberry Pi

I'm stuck. I'm trying to use a Raspberry Pi to simulate a button press on an infrared remote control that uses conductive rubber buttons in order to control/automate a toy with Python. Really grateful ...
1
vote
1answer
64 views

LEDs for model ship [closed]

My dad built a model ship and wants some lights - kind of like the attached photo. His request: Small, the LED must fit in a 1/2 inch space. The LED must be dim and amber in color,, flicker if ...
0
votes
2answers
56 views

Can you explain the operation of this RC network for a crystal oscillator? [duplicate]

I am trying to work out what the RC network in the circuit below does and how it works. The circuit output is fed as input to a CD4060 binary counter. According to what I have read, the signal from ...
9
votes
2answers
2k views

Where is the antenna in this remote control board?

This is a PCB of a (radio?) remote control.
0
votes
0answers
33 views

Trying to figure out an RC Plane Solar Charger

So for a project I am looking at making a solar charge controller for a 3S Li-Ion battery system used in an RC Plane. The issue I am running into now is that I am unsure how to go about designing the ...
0
votes
0answers
89 views

How to overdrive a 5W IR LED for laser tag

I am a bit of a noob regarding electronics, but hey, I guess I need to start somewhere. Here is the premise: I want to build the Arduino Laser Tag Link: and all went fine until I stumbled upon ...
0
votes
0answers
29 views

How to make a pairing and mode button on a remote control receiver

I'm working on a remote control project and have come across many different RF receiver/transmitter modules. Many have a pairing/mode button on the receiver that serves to pair the receiver and ...
-1
votes
2answers
151 views

Is there any dedicated IR receiver IC with atleast 5 output pins

I want to know if there is any IC available that can decode an IR remote to its different pinouts or I have only option to program a microcontroller to achieve it.
1
vote
3answers
52 views

Light coming from the room influencing TV

Inside the TV Remote we have a LED of infrared light which sends commands to the TV. Isn't it influenced by the light of the room(if any?).I thought if an electron in the valence band absorbs a photon ...
-1
votes
1answer
50 views

Is it reasonable a remote control works after being heated?

The remote control of my TV set is failing and I probably have to buy a new one soon. I changed battery, including from other device that is working, and there was no improvement. But it is ...
2
votes
2answers
119 views

Headphone jack IR transmitter not working reliably

I'm working on a project to build a remote control app for some IR controlled toys like DeskPets, Robosapien, TOMY etc. including an IR transmitter that (hopefully) has a very high range. I built an ...
0
votes
0answers
50 views

time constant of rc circuit

How to calculate time constant of this circuit. .. and how the time constant of C1 and C2 are related
8
votes
2answers
3k views

Why can I see remote control radiation on my phone but not with my eyes?

I made this little video. You can see a white flickering light coming out of my remote control. When I look at my remote control with my naked eyes, there is nothing to see when I press a button of ...
2
votes
1answer
410 views

How to identify burnt out component

My sons birthday present literally went up in smoke when batteries were inserted. I will eventually get a replacement but it will take time and I'd love to be able to fix this as soon as possible. It'...
0
votes
1answer
69 views

RC circuit - phase current

I have a simple RC circuit as below : I'm trying to visualize current curve and voltage curve (Vout and I(R1)) vs Vin using LtSpice and I obtain the result below: It's OK that the Vout is leading ...
0
votes
1answer
415 views

Diode in RC Filter

Is a diode ever used in an RC filter in the configuration below to stop charge from the capacitor flowing back to the source when it falls below the cap voltage (kind of like a peak detector)? Or why ...
0
votes
0answers
3k views

Wiring Diagram Help - 6v 'Power-Wheels' Ride-On Upgrade

Hello, I have a 6v Ride On toy car that I want to upgrade to 12v without upgrading the entire electrical system as it is only design for 6v. My issue? I'm not in the electrical trade and i'm trying to ...
2
votes
0answers
36 views

Electric skateboard ESC and homemade battery pack

I am building an electric skateboard and it requires an 80A ESC and 22.2V Li-po battery to run. I found a video where a guy connected a bunch of 18650 Lithium Ion cells in series to form an equivalent ...
3
votes
1answer
48 views

Dealing with a weak remote [closed]

I've got these LED candles with a remote: I've owned a few different models of LED candles in the past, and these ones are the best so far. They have a great-looking, strong light, and realistic ...
1
vote
1answer
111 views

Exactly what is an RTU (Remote Terminal Unit)?

I find the Wikipedia article and other sources ambiguous and I find that the definitions are so broad that I don't know how and when to use the term "RTU". I would like to figure this out because I ...
1
vote
2answers
262 views

I'm using four batteries with a total of 6 volts, but the lightstrip only needs five. How would resistance work? [duplicate]

The strip uses .5-2A and 5 volts. I'm using four AA batteries, so the voltage becomes 6. What do I do to reduce the voltage, and get the right current? Will the strip itself just draw the current in ...
0
votes
0answers
53 views

Recording IR data directly from Remote Control

I am trying to record the IR codes from my projector's remote. Nothing seems to be working and I need some help. I want to be able to directly record the IR signals that my remote is putting out when ...
0
votes
1answer
32 views

Can I replace the 433mhz modules on my homemade remote controller with a nrf24 transreciever

I built a simple 4 channel 433mhz transmitter and reciever because I can't afford a remote controller, the range is limited to 3 feet and nrf24 transreciever have longer range, so my question is can I ...
0
votes
0answers
50 views

NPN transistor doesn't work when base gets more voltage

I'm working on a project to control my tv with voice commands. I disassembled the remote control and i want to replace the physical switches that are beneath the buttons with transistors, so that i ...

1
2 3 4 5
7