Questions tagged [remote-control]

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

27 questions with no upvoted or accepted answers
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367 views

A curious 433 MHz signal to decode

I bought a cheap set of remote controlled power sockets and I want to integrate them into my home automation system. So I got a 433 MHz receiver for 1€, connected it to my Arduino and tried to decode ...
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2answers
166 views

Switch from one battery to another when one is discharged/disconnected?

I'm trying to figure out how to switch source power from one battery to another when one is dead or disconnected. the circuit needs to be able detect the loss of power on the jettisoned battery and ...
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1answer
653 views

High side RC ESC switch

I've been designing a test bench for RC propulsion systems and for that I thought it would be nice to be able to switch the power to the ESC on/off. For this I designed a simple circuit which I ...
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1answer
58 views

Add li-poly battery to projects

I would like to upgrade my RC project, changing from common AA batteries to li-poly. I've chosen them because I always see them in RC planes/cars. My model would require 7.2/9V and a max instantaneous ...
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3answers
91 views

Difference between lower and higher current rated ESCs and electric skateboard questions

I am starting a project and would like to build an electric skateboard. Here are the specs for the parts that I have gathered so far: a. Two 90mm wheels that each contain a built-in BLDC motor. The ...
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0answers
396 views

How to switch on PixMob-like led bracelet?

I've a led bracelet, which was switched on and controlled by concert organizer (the bracelet called 'fanband' and according to the official site controlled either by special remote or by sound). I ...
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1answer
102 views

Are there any ways to improve this ISR - STM32F401RE?

I am currently coding a flight controller from scratch and am currently working on the module to decode the incoming PPM signal. Keeping in mind that this is an ISR, I've limited its functionality ...
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0answers
195 views

Help identifying an MCU

Attached you find a photo of an MCU. It is used in an remote controller of an home automation application. It is a low-power an low-cost product. I think the package is TSSOP30. 500T 1531XX00 JAPAN ...
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0answers
451 views

Protocol used by tankless water heater remote control

Edit: see my main thread here Reverse-engineering asynchronous serial protocol for EcoSmart Tankless Water Heater I'm using an EcoSmart ECO 11 electric tankless water heater in a hydronic system. ...
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0answers
639 views

BLDC motor control PCB

I am trying to make a PCB to control a Sensorless Brushless motor. I just wanted to know if it looks right. The IC I am using is a TB6588FG it has a 2.5A peak output current. I want to use it with ...
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0answers
116 views

Quadcopter plummeted into the ocean

We have a quad copter which had an arm partially detach mid-flight, which in turn destabilized the vehicle, plummeting it into the ocean. After two hours of searching we were finally able to recover ...
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26 views

How can we actually use PPM output from a RC receiver

I'm using FS-CT6B transmitter with R6B receiver. I have seen many code examples and tutorials for reading PPM output from R6B using Arduino Uno. In some of them, only one pin is used (external ...
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69 views

Automate sequence of different remote control presses

I've got the following setup I would like to automate: Press button A on a remote to turn the alarm system off Press button A on a remote to open the garage door Press button A on a remote to close ...
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0answers
60 views

Selecting RC filter components for half wave rectifier

I have a circuit where Input is a Sine pulse of 40V Amplitude and the circuit is as shown: After redtifier diode , there is a RC FILTER. I have used a tantalum capacitor and 0603 resistor. I was ...
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0answers
82 views

220 volt ac to 12 v dc converter without voltage regulator

I want to design Additional RC Filter. My input is 220V AC and I want to observe 12 V DC output. I am designing 100 Hz with a full-wave bridge rectifier. My question how can I find the output of ...
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72 views

SDS7102 DSO: No command to put scope in X/Y mode remotely?

I've had an SDS7102 (Owon) scope for little over a year, and bit by bit wrote a remote control program. As I use a LAN connection, things a quite a bit more complicated than USB, it seems. But I've ...
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1answer
97 views

GPIO input state with undefined voltage

I am using PIC32MX350 series controller, on one GPIO , that is defined as input , and input that pin goes form one SMPS (PN : - PSC35 , IO Name :- AC out). Since SMPS IO is open drain we add a pull up ...
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2answers
168 views

Light circuit for RC car

I'm building a small light system for an RC car, this is the schematic: The power source is 5.5 V. These are the LEDs that I am using, KKHMF 100個 3mm LED 発光ダイオード LED電子部品バッグ 5種類 各20個 - two white, ...
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2answers
710 views

Low Pass RC Filter for Load Cell

I have a load-cell setup with some noise that I would like to filter out. I have a vague understanding of low-pass RC filters. I have a strain gauge with 350 ohms of resistance (no load). How can I ...
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0answers
33 views

Inducted LED control circuit design

I would like to build a circuit to control 4 LEDs via an inducted current. I would like the inducted current to provide the power for the LEDs, however I would like the LEDs to be lit in a certain ...
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0answers
40 views

Bluetooth Controls instead of R/C Controls for simple Holonomic robot

I am new here and with little experience in electronics. I have assembled this holonomic robot, see link: https://shop.wickeddevice.com/product/omniwheel-robot-complete-kit/ It has 3 Omni-...
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1answer
43 views

How to Increase Velocity of a Servo motor, relative to resistance?

I am building a RC car which increase its speed to compensate any obstacle on its way. A simple 4 wheel RC car, with current sensor on the two front wheels, when an obstacle is placed in front of the ...
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46 views

Locating ground and other pins on circuit board

I am a beginner attempting to learn how to hack RC cars like is demonstrated in this video. My problem is I can't spot the ground pin and the other pins related to the wheel drive functions except I ...
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42 views

WEMO switch and Sodium lighting

Why can't the WEMO switch from Belkin be used with sodium discharge lights? I am investigating the purchase of a switch to remote control some driveway lights which I believe are sodium discharge ...
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430 views

Simple remote-controlled momentary switch

I need to create a momentary switch which is controlled remotely, preferably through IR from an old TV remote control (if possible), in order to answer my office door buzzer without getting up. On ...
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1answer
112 views

What are different ways of remote communication two circuits?

I am doing a project which requires remote communication between a microcontroller and a circuit containing 2 stepper motors. I am using a PIC24FJ32MC101 because that's what I had laying around the ...
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597 views

How to switch a transistor when a radio signal is received?

I have a circuit which switches on by sending current to the base of one of its transistors. I'm trying to make receiver which can receive signals from a AM transmitter and send current to base of ...