Category Archives: wireless hacks

Perfecting the Open Source RC Controller

Over the last few months we’ve seen an influx of homebrew RC controllers come our way, and we’re certainly not complaining. While the prices of commercial RC transmitters are at an all-time low, and many of them can even run an open source firmware, there’s still nothing quite like building …read more

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Posted in 2019 Hackaday Prize, dual screen, ESP32, FPV, MCP23017, rc controller, RC transmitter, The Hackaday Prize, wireless hacks | Leave a comment

Open Hardware E-Ink Display Just Needs an Idea

Its taken awhile, but thanks to devices like the Amazon Kindle, the cost of e-ink displays are finally at the point where mere mortals such as us can actually start using them in our projects. Now we’ve just got to figure out how to utilize them properly. Sure you can …read more

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Posted in bluetooth low energy, digital signage, e-ink, e-paper, hardware, nRF52840, wireless hacks | Leave a comment

3D Printed Weather Station Gets A Wireless Upgrade

A weather station can be anything from a fun home science exercise, all the way up to a useful tool for planning and weather prediction. [Rob Ward] is one such person who has developed their own weather station, and it recently got a wireless upgrade.

We first featured [Rob]’s work …read more

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Posted in 3d print, 3d Printer hacks, 433MHz, weather station, wireless hacks | Leave a comment

Camera Sees Electromagnetic Interference Using an SDR and Machine Vision

It’s one thing to know that your device is leaking electromagnetic interference (EMI), but if you really want to solve the problem, it might be helpful to know where the emissions are coming from. This heat-mapping EMI probe will answer that question, with style. It uses a webcam to record …read more

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Posted in augmented reality, camera, electromagnetic compatibility, electromagnetic interference, emc, emi, heat map, machine vision, opencv, RF, sdr, tool hacks, wireless hacks | Leave a comment

A DIY EMC Probe From Semi-Rigid Coax And An SDR

Do you have an EMC probe in your toolkit? Probably not, unless you’re in the business of electromagnetic compatibility testing or getting a product ready for the regulatory compliance process. Usually such probes are used in anechoic chambers and connected to sophisticated gear like spectrum analyzers – expensive stuff. But …read more

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Posted in electromagnetic compatibility, emc, fft, ocxo, probe, radio hacks, RTL-SDR, sdr, spectrum analyzer, testing, wireless hacks | Leave a comment

Transcending the Stack with the Right Network Protocol

The increase in network-connected devices the past years has been something of a dual-edged sword. While on one hand it’s really nice to have an easy and straight-forward method to have devices talk with each other, this also comes with a whole host of complications, mostly related to reliability and …read more

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Posted in Hackaday Columns, home automation, home hacks, mqtt, Network Hacks, NodeMCU, security, tls, wireless hacks | Leave a comment

Duck And Cover With This WiFi “Geiger Counter”

There’s perhaps no sound more recognizable than the frantic clicking of a Geiger counter. Not because this is some post-apocalyptic world in which everyone is personally acquainted with the operation of said devices, but because it’s such a common effect used in many movies, TV shows, and video games. If …read more

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Posted in buzzer, ESP8266, geiger counter, Microcontrollers, received signal strength indicator, RSSI, wireless hacks | Leave a comment

Pocket-Sized Deauther Could Definitely Get You In Trouble

Interfering with radio communications, whether through jamming, deauthing attacks, or other meddling, is generally considered a crime, and one that attracts significant penalties. However, studying such techniques should provide a useful edge in the electronic wars to come. In this vein, [Giorgio Filardi] has recently built a WiFi deauther the …read more

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Posted in deauth attack, Deauthentication, wifi, wireless hacks | Leave a comment

Developing The Ultimate Open Source Radio Control Transmitter

While we’ve come a long way in terms of opening up the world of radio control to open source software, a good deal of the hardware itself is still closed up. You can flash a cheap RC transmitter with a community developed firmware, in fact there’s a decent chance that’s …read more

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Posted in open source hardware, RC transmitter, remote control, robots hacks, telemetry, wireless hacks, xbee | Leave a comment

Eavesdropping On Cosmonauts With An SDR

Usually when we hear about someone making contact with astronauts in orbit, it’s an intentional contact between a ham on the ground and one of the licensed radio amateurs on the ISS. We don’t often see someone lucky enough to snag a conversation between ground controllers and a spacecraft en …read more

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Posted in Airspy, astronaut, cosmonaut, international space station, iss, QFH, quadrifilar helical antenna, sdr, Soyuz, space, wireless hacks | Leave a comment