Tagged Questions

-4
votes
0answers
40 views

Wireless chip with long range and high transfer rate [closed]

I'm about to build an helicopter with which I'm going to include a camera. I wonder what kind of transmitter and receiver I need to transfer wirelessly the commands plus live video from the camera. ...
-2
votes
2answers
160 views

Ultra low power Micro Wireless Audio Transmitter/Reciever [closed]

I'm am trying to send a signal from a device to a receiver. The signal would need to travel through walls/an enclosed area up to at least 150'. The signal would have to be powered by two AAA ...
0
votes
1answer
128 views

What kind of Transmitter and receiver would I need? [closed]

I am trying to figure out exactly what it is I am needing, I am wanting to protect my chickens from my dog killing them! I want to place a small transmitter onto a leg band which will be placed ...
0
votes
1answer
211 views

Multiple micro solar power wireless transmitters / receivers operating in close proximity? SRDs

Hi I have a few questions about a Tx / Rx idea. Description Approximately 10 transmitters and 10 receivers are expected to work in close proximity of each other. However Rx1 only receives information ...
-5
votes
1answer
465 views

How can I make an ultrasound transmitter like that one? [closed]

Here is the target url http://allthingsd.com/20110602/demo-at-d9-ubeam/ I am interested in repetition of Perry and Dweck's charge system. I've seen the Power Supply, that they used, but I can't see ...
1
vote
1answer
512 views

Building a small 3-axis accelerometer mote

I'd like to build a remote device which reports its current 3-axis acceleration to a nearby (<10m) receiver. It needs to be as light and as small as possible. (I have no preference as to the ...
7
votes
6answers
4k views

ultra low power mini wireless transmitter / receiver?

I'm looking for suggestions for a wireless transmitter & receiver combination. I'm basically just trying to bridge several buttons over a wireless signal(s) (i.e. send a 1 bit signal) in as small ...
2
votes
2answers
603 views

High-gain omnidirectional antennas for Wi-Fi mesh

Hopefully this is the right SE site a question of this nature. Basically what I want to do is set up a wireless transmitter using a high-gain omni/directional antenna as a test-bed mesh network ...
4
votes
2answers
525 views

Wireless transmission/reception through 100 feet (30m), including concrete wall

I have an electrical engineering degree, but little experience in building wireless equipment. I need to transmit a signal through about 100 feet of distance, including a concrete wall. I need ...
4
votes
5answers
227 views

modem free high base AM data transfer possible?

not a very experienced EE, but I was thinking about a system for high speed data transfer, and it is fairly simple conceptually, so I imagine that there must be serious flaws with the method, because ...
3
votes
2answers
237 views

Need suggestion in choosing an effective wireless Transmitter and Receiver

My requirement is to transmit a binary form of data from one Road Junction to another road junction which is around 4 to 5 km away. I am going to get the traffic information from each road in the ...