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0 answers
84 views

Designing a circuit for wireless interrogation of a temperature SAW sensor

I'm currently working on a SAW-based temperature sensor. The gist of how it works is this: when the external temperature changes, the resonance frequency of the SAW resonator shifts. To detect the ...
Adrian's user avatar
  • 113
0 votes
0 answers
61 views

Lora sx1278 implementation by Arduino Uno

I'm implementing a Lora network, with two SX1278 modules and Arduino Uno. Lora is based on three classes. A , B and C, The question is : for change For example A to B, what should exactly change in ...
sajad ahmadi's user avatar
0 votes
1 answer
89 views

Multiplexing a 16 button keypad to an 8 button remote control module

I am wanting to multiplex a 16 button keypad to an 8 button RC transceiver so that I can have remote control over 16 functions instead of the standard 8. The transceiver I am using is the 900MHz ...
jhandy's user avatar
  • 21
-1 votes
2 answers
139 views

Half-duplex wireless: Is a tuned antenna more important for the transmitter or the receiver?

I intend for this to be a general/conceptual question that could apply to any wireless communication hardware, however I will use a specific example to talk about. Let's consider the nRF24L01. (...
Bort's user avatar
  • 5,182
2 votes
5 answers
2k views

Wirelessly connect several DS18B20 across a house

I am planning on reading temperature data form across my home using several DS18B20s and sending all of the data to a raspberry pi. I have already managed to interpret data from one sensor directly ...
Leo G's user avatar
  • 21
-1 votes
1 answer
36 views

wirelessHD using with FPGA

I going to make a system to transfer data between 2 FPGAs wirelessly with high rate. I found that wirelessHD method can do this, now what is the required hardware to establish such system?
Jewellery's user avatar
0 votes
2 answers
783 views

Hack fibre optic transceiver for wireless data link

I'm brainstorming ways to implement a high speed wireless laser data link without the exorbitant cost. Would it be possible to take a standard SFP transceiver module and use that across free space ...
Mikey Top's user avatar
0 votes
1 answer
234 views

nrf24l01 transceiver on altera board de2-115 [closed]

I'm trying to use the nrf24l01 transceiver on altera board de2-115. I would like to send a signal from the altera board using this spi module to another spi module and use the spi module on the ...
Lose' CKi's user avatar
0 votes
2 answers
75 views

Can I communicate with any sensor/device using a transceiver if they use the same frequency?

If I have a transceiver using 868MHz and connect that to e.g. a Raspberry Pi and start reading from it, will I be able to see all traffic on that frequency happening nearby? So if I have a sensor that ...
Mathias Rönnlund's user avatar
0 votes
2 answers
3k views

What does blocking performance mean in RF transceivers' datasheet?

I have encountered two terms, adjacent channel selectivity (ACS) and blocking performance (BP), in TI cc1120's datasheet (http://www.ti.com/product/cc1120). I found the definition of the former (ACS) ...
jtuki's user avatar
  • 105
1 vote
1 answer
93 views

Controlling various Arduinos with Android

I have an upcoming project which requires me to use about 8 different Arduinos, probably more. They all perform a light show which turns off and on various LEDs at different timings to simulate a "...
lomas09's user avatar
  • 121
4 votes
1 answer
468 views

Wireless NRF24L01 chip compatibility

I have ordered a set of transceiver with NRF24L01 from various vendors. (with and without external antenna) http://www.ebay.com/itm/NRF24L01-PA-LNA-SMA-Antenna-Wireless-Transceiver-communication-...
Max's user avatar
  • 185
0 votes
1 answer
2k views

Bluetooth Headset to Bluetooth Transceiver

I have a little bit of experience with Bluetooth and Arduinos but I was wondering if anyone might be able to tell me if it is possible for a Bluetooth headset to be linked to a Bluetooth transceiver ...
ridecontrol53's user avatar
1 vote
1 answer
9k views

Problem with nRF24L01 2.4GHz radio/wireless transceivers

I want to control my car with nRF24L01 2.4GHz Radio/Wireless Transceivers. I am using an Arduino Mega, Arduino UNO, joystick, LED and two nRF24L01 2.4GHz radio/wireless transceivers. Here the Arduino ...
user33610's user avatar
5 votes
3 answers
4k views

How to know (or estimate) the range of a transceiver?

I'm trying to decide between different wireless transceivers, where my main requirement is furthest range for a given frequency band. Is there a way to relate the frequency, data rate, power output, ...
JDS's user avatar
  • 1,156

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