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23 Threads found on edaboard.com: Remote 433mhz
Hi,I have already designed a RF remote control using 433mhz RF transmitter&receiver + pic16f628.And this remote control is working fine.Now I am trying to replace the 433mhz RF transmitter&receiver with nRF24L01 tranciever.But when I bought this one seems entirely different from the old RF transmitter and receiver.Actually I (...)
I need to somehow remotely identify a person by her identification allowing / disallowing access. In the first case I needed to make it work at a distance of the order of 10 m Any as
Hi , I am newbie in the field of RF. I am trying to design a low power transmitterand receiver for remote keyless entry. I thinking of using saw resonator for this purpose. But i need to start somewhere so I am finding some circuits to get started. If any one can provide me with a sample circuit for a 433 Mhz transmitter and receiver using saw
Hi guys, Please suggest a small antenna for the 433mhz rf transmitter which is to be used in a remote controller. Thanks in advance. :)
Look at CC1101 and his
Hi Friends I need a idea about the programming algorithm to receive the 433mhz receiver output. I am using a car remote, 433mhz - eV1527 Encoder is transmiter section, eV1527 is sending Preambling bits + 20 bit Data + 4 bit Data. 96840
I need to design simple 1 channel (1 button) RF remote control. using 433mhz/315MHz RF modules. here my requirements: 1 button : while button pressed, relay turn on. turn off relay when button released. simply press to on. release to off. button may be keep pressed up to 1 hour continuesly. Distance around 7-10m 3V supply for (...)
It is an advanced lighting driver based on wireless transmission 433mhz implemented on a popular family of circuits from Princeton. A set of three wireless sockets with remote control ? from which the remote control
Original remote control is based on a chip PT2260 (in version R4) - here is the link to documentation: LINK . The system has twelve 3-state pins for addressing devi
Hi i am planning to design a remote control for opening the lock of a car. The main requirement is that it should have a range of 3Km. Please suggest me some material to go through to make this possible. Thanks..
i want to design a remote control for a device, i have seen most commercial transmitter for 433mhz designed with transistors and the Modules are not used.... i want my remote to have a good battery life as well as range (equal to commercial transmitter provided with gate openers etc) . plz guide me how should i start? with module or (...)
hi firends, as usual i am here for some basic questions, i want to link a rf remote control to my existing project... and i have tried to Google "RF MHz" and lots of other queries for the purpose... but couldn't get the very basic answers to questions that arose in my mind.... do any one have a basic tutorial or link to it for this purpose?
hi firends, as usual i am here for some basic questions, i want to link a rf remote control to my existing project... and i have tried to Google "RF MHz" and lots of other queries for the purpose... but couldn't get the very basic answers to questions that arose in my mind.... do any one have a basic tutorial or link to it for this purpose?
Can somebody help me to do a project related to wireless weather station. The requirements are simply described as follows. Function: Wireless remote measurement system that communicates at 433mhz. The purpose of the system is to measure Temperature, Relative humidity, sound. The range is 50 to 100 meters. 1 or 6 units per base station.
Hi I'm programming a remote relay controller using PIC. Pic sends serial (rs232) data trough wireless 433mhz or 868MHZ. Transmitter sends some code bytes and receiver gets on serial receiver and decode those bytes. I use a lot of different codes so that receiver can only be swithced on by its own transmitter. receiver stops working in
My question is not directly related to microcontrollers. I?m posting this question here, because you, guys, have seen a lot of instrumentation in your travels. I?m looking for a wireless remote measurement system that communicates at 433mhz or lower frequency. FCC compliance is not a problem, because it will be working for one month, and it wi
Better option than IR or ultrasonic is 433mhz RF link .. Here is an example: 4 CHANNEL AUTO ROLL RF remote CONTROL RELAY BOARD Regards, IanP
my dear friends i need help with a circuit i am making a remote controller for garage gate and lights i have used at89c51 at the transmitting and receiving ends but the problem is the transmission i dont heve any means of doing that do you you have any circuit which CAN TRANSMIT MY 8 BIT OR 4 BIT SIGNAL THROUGH fm OR AM AND THEN DEMODULATE THE SIG
I am a newbie in electronics.. I have been trying to build a 4 bit remote control for different applications in toy cars etc.. i used MC145026/27 encoder/decoder pair to generate the signals n all.. they work perfect when connected directly with each other.. but im having problems in making tx/rx :(.. i used the 433mhz design uploaded here.. unfort
What you need is 433mhz ASK transmitter circuit. It is one transistor oscillator which is keyed on base through 50k resistor. Attached schematics is meant as transmitter for remote. It has SAW resonator.