385 Results for "rtl-sdr"

Conceal, keep it secret keep it safe.
Log from Enter the complex world of SDR
RTL-SDR in cool and unsuspecting casesThis is going to be my work on a portable SDR, I always have one in my pocket for demonstration and to excite my friends... Though Sadly my friends think SDR is a gateway drug into Male Spinsterhood, and find not...

Image almost ready
Log from Bitscope, rtl-sdr2832u, HamItUp, cleaner signal
I have a stable PI image with Sense-Hat (I built a cool new little project for gauging temp of the unit , surrounding temperature, ... , I will use the joystick to allow a user to access any of the attributes on the 8 x 8 led's), GNURADIO, RTL-SDR, Bitscope,...

First, play around with an already built one
Log from Do a Real Magic Spell: "Essdeeaar!"
Get an SDRA good example for a cheap SDR receiver is an RTL-SDR TV USB dongle. RTL-SDR was designed as a TV tuner for PCs. It can be plugged into a USB port, and with it's software installed it can receive FM radio stations or TV programs.But with a...

Basic functionality example
Log from Microwave Transmitter
Verifying that all components are working properly enables me to run the first functional test of the MW transmitter - frequency synthesis. In the repo, there is "Basic" example that configures MAX2871, attenuation, filter and ADC for RSSI detectors...

2 - Controller unit
Log from Dish Rotator for NOAA images
Right now this log only serves as a collection of ideas, here's what I plan as second step: To control the hardware part, the next step is to build a controller unit. It will hold a raspberry pi, a RTL-SDR stick, motor driver and software to glue all...

Getting started - SDRSharp
Log from (me) Learning to speak SDR
Welcome to SDR. I'll keep these logs as short as possible to allow you to follow along without reading a ton text. In order to do anything at all, we need a driver for the SDR to work. SDRSharp comes with a driver package that installs the correct driver...

Decoding the FSK transmissions
Log from Rocket Receiver Teardown
Using RTL-SDR, we've managed to listen to the transmissions of the device and decode them in software. This is the FM-demodulated waveform of one of its transmissions:This is a Manchester encoding where high->low indicates a 0 and low->high indicates...

Prototype built, and running
Log from HF receive converter for RTL-SDRs and similar
The envelope from OSH Park arrived this morning with the PCBs in it, so I put in half an hour to build a prototype board.It's not really a challenging build, I was concerned that there wouldn't be enough space between transformer and USB connector but...

It's Alive!!!
Log from RTL-SDR With Upconverter and Case
I thought for sure that my Ham-It-Up had perished from mishandling, ESD, or just plain bad luck. Fortunately, I was wrong. After a bit of testing confirmed that the upconverter was still functional, I got to work patching up the holes in the case with...

Equipment Breakdown
Log from RTL-SDR With Upconverter and Case
I finally sat down with my RTL-SDR in hand to do some starting measurements before tearing into it. I fired up my trusty old Singer CSM-1 service monitor only to find that it was not putting out a clean tone on frequency, and was generating very strong...

A Short Update
Log from MakeBook pro
After some time researching SBCs online I decided to go through with the Banana Pro.It might not be the best SBC around these days, but its the most reasonably priced one that meets my requirements:LVDS support ( the LCD interface by online research...

Finding the rogue frequency
Log from re-purposing acurite temperature sensors
Digging out the RTL SDR (and waiting for Ubuntu to install in a VM because I've temporarily broken my gnuradio install under MacOS again), it's as I suspected: the new "broken" temperature sensor is broadcasting off-frequency. The three dots under the...

no electrons were harmed by this hack
Log from networked RTL-SDR server
pretty much all of my projects have been on hold while I deal with a drainage system failure that led to a flooded basement. in between days of bailing water out of the basement and trying to dry the carpet and carpet pad, i've been building a drainage...

spectrum analyzer with a DVB dongle
Log from Silly software wishlist
Back when Comca$t blocked recording of local channels, the lion kingdom considered hiking to the top of the local mountains to get within view of Sutro tower & recording local channels that way. It would have required a big PC with the original PCHDTV...

One Step Forward, Two Steps Back
Log from RTL-SDR With Upconverter and Case
It's funny how no matter how much effort you put into doing something carefully, you will always end up being surprised by how badly it can go wrong.I decided that I should remove the new power supply circuit that I had added to the Junkbox SDR when...

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