#radiohacks — Public Fediverse posts

A Thoroughly Modern Minimalist Transceiver

https://fed.brid.gy/r/https://hackaday.com/2026/09/03/a-thoroughly-modern-minimalist-transceiver/

Transponder Mania

https://fed.brid.gy/r/https://hackaday.com/2026/07/16/transponder-mania/

The Unreasonable Effectiveness of the Fourier Transform https://hackaday.com/2026/01/07/the-unreasonable-effectiveness-of-the-fourier-transform/ #orthogonalfrequencydivisionmultiplexing #radiotelecommunications #fouriertransform #RadioHacks #cons #ofdm

Radio Apocalypse: Clearing the Air with SCATANA https://hackaday.com/2025/09/18/radio-apocalypse-clearing-the-air-with-scatana/ #HackadayColumns #RadioApocalypse #radionavigation #RadioHacks #aviation #navaids #SCATANA #VORTAC #NORAD #TACAN #DME #faa #fcc #VOR

Radio Apocalypse: Clearing the Air with SCATANA - For the most part, the Radio Apocalypse series has focused on the radio systems de... - https://hackaday.com/2025/09/18/radio-apocalypse-clearing-the-air-with-scatana/ #hackadaycolumns #radioapocalypse #radionavigation #radiohacks #aviation #navaids #scatana #vortac #norad #tacan #dme #faa #fcc #vor

2025 One Hertz Challenge: Blinking An LED With The Aid Of Radio Time https://hackaday.com/2025/08/14/2025-one-hertz-challenge-blinking-an-led-with-the-aid-of-radio-time/ #2025HackadayOneHertzChallenge #timestation #RadioHacks #contests #ne567 #led

2025 One Hertz Challenge: Blinking An LED With The Aid Of Radio Time - If you want to blink an LED once every second, you could use just about any old ti... - https://hackaday.com/2025/08/14/2025-one-hertz-challenge-blinking-an-led-with-the-aid-of-radio-time/ #2025hackadayonehertzchallenge #timestation #radiohacks #contests #ne567 #led

A Solar-Only, Battery-Free Device That Harvests Energy from a BPW34 Photodiode https://hackaday.com/2025/08/10/a-solar-only-battery-free-device-that-harvests-energy-from-a-bpw34-photodiode/ #BQ25504ultra-low-powerboostconverter #BPW34SiliconPINphotodiode #bluetoothlowenergy #WirelessHacks #RadioHacks #SolarHacks #NordicnRF #hardware #mosfet

A Solar-Only, Battery-Free Device That Harvests Energy from a BPW34 Photodiode - Normally when you think solar projects, you think of big photovoltaic cells. But a... - https://hackaday.com/2025/08/10/a-solar-only-battery-free-device-that-harvests-energy-from-a-bpw34-photodiode/ #bq25504ultra-low-powerboostconverter #bpw34siliconpinphotodiode #bluetoothlowenergy #wirelesshacks #radiohacks #solarhacks #nordicnrf #hardware #mosfet

2025 One-Hertz Challenge: A Software-Only AM Radio Transmitter https://hackaday.com/2025/07/30/2025-one-hertz-challenge-a-software-only-am-radio-transmitter/ #2025HackadayOneHertzChallenge #amplitudemodulation #twilightzone #RadioHacks #amradio #am

2025 One-Hertz Challenge: A Software-Only AM Radio Transmitter - We’ve been loving the variety of entries to the 2025 One-Hertz Challenge. Many a c... - https://hackaday.com/2025/07/30/2025-one-hertz-challenge-a-software-only-am-radio-transmitter/ #2025hackadayonehertzchallenge #amplitudemodulation #twilightzone #radiohacks #amradio #am

Intercepting and Decoding Bluetooth Low Energy Data for Victron Devices https://hackaday.com/2025/05/26/intercepting-and-decoding-bluetooth-low-energy-data-for-victron-devices/ #bluetoothlowenergy #Microcontrollers #SoftwareHacks #WirelessHacks #ArduinoHacks #RadioHacks #ESP32wroom #Victron #ble

Intercepting and Decoding Bluetooth Low Energy Data for Victron Devices - [ChrisJ7903] has created two Ardiuno programs for reading Victron solar controller... - https://hackaday.com/2025/05/26/intercepting-and-decoding-bluetooth-low-energy-data-for-victron-devices/ #bluetoothlowenergy #microcontrollers #softwarehacks #wirelesshacks #arduinohacks #radiohacks #esp32wroom #victron #ble

Lockdown Remote Control Project is Free and Open https://hackaday.com/2025/04/04/lockdown-remote-control-project-is-free-and-open/ #radiocontrol #transmitter #RadioHacks #lockdown #receiver #project #quad #rc

Lockdown Remote Control Project is Free and Open - If you flew or drove anything remote controlled until the last few years, chances ... - https://hackaday.com/2025/04/04/lockdown-remote-control-project-is-free-and-open/ #radiocontrol #transmitter #radiohacks #lockdown #receiver #project #quad #rc

Writing a GPS Receiver from Scratch https://hackaday.com/2025/03/18/writing-a-gps-receiver-from-scratch/ #software-definedradio #RadioHacks #gpshacks #receiver #RTL-SDR #python #radio #gps #sdr

Transceiver Reveals Unusual Components https://hackaday.com/2025/03/08/transceiver-reveals-unusual-components/ #transceiver #RadioHacks #Teardown #teardown #filter

Transceiver Reveals Unusual Components - [MSylvain59] likes to tear down old surplus, and in the video below, he takes apar... - https://hackaday.com/2025/03/08/transceiver-reveals-unusual-components/ #transceiver #radiohacks #teardown #filter

A Ten Band SDR Transceiver For Homebrewers https://hackaday.com/2025/02/26/a-ten-band-sdr-transceiver-for-homebrewers/ #transceiver #RadioHacks #hamradio #sdr #HF

Making Sure Your Patch Cables Are Ready for RF Work https://hackaday.com/2025/01/08/making-sure-your-patch-cables-are-ready-for-rf-work/ #time-domainreflectometry #radiofrequency #RadioHacks #Patchcable #coaxial #testing #tdr #vna #RF

Making Sure Your Patch Cables Are Ready for RF Work - How do you know that your patch cables are good? For simple jumper wires, a multim... - https://hackaday.com/2025/01/08/making-sure-your-patch-cables-are-ready-for-rf-work/ #time-domainreflectometry #radiofrequency #radiohacks #patchcable #coaxial #testing #tdr #vna #rf

Lowering Your Noise Floor, the Easy Way https://hackaday.com/2024/12/31/lowering-your-noise-floor-the-easy-way/ #switchmodepowersupply #amateurradio #interference #RadioHacks #noisefloor #smps #ham #QRM #RFI

Lowering Your Noise Floor, the Easy Way - If there’s anything more annoying to an amateur radio operator than noise, we’re n... - https://hackaday.com/2024/12/31/lowering-your-noise-floor-the-easy-way/ #switchmodepowersupply #amateurradio #interference #radiohacks #noisefloor #smps #ham #qrm #rfi

Making PCB Strip Filter Design Easy to Understand https://hackaday.com/2024/10/28/making-pcb-strip-filter-design-easy-to-understand/ #butterworth #RadioHacks #dielectric #resonator #stripline #PCBHacks #bandpass #filter #ptfe #stub #fr4 #RF

Passive Diplexer Makes One Antenna Act Like Two https://hackaday.com/2024/05/22/passive-diplexer-makes-one-antenna-act-like-two/ #automaticpacketreportingsystem #amateurradio #RadioHacks #diplexer #duplexer #discone #filter #APRS #LoRa #ham

Passive Diplexer Makes One Antenna Act Like Two - Stay in the amateur radio hobby long enough and you might end up with quite a coll... - https://hackaday.com/2024/05/22/passive-diplexer-makes-one-antenna-act-like-two/ #automaticpacketreportingsystem #amateurradio #radiohacks #diplexer #duplexer #discone #filter #aprs #lora #ham

A Look Inside a 70-GHz Electromechanical Attenuator - It might not count as “DC to daylight,” but an electromechanical attenuator that c... - https://hackaday.com/2024/03/15/a-look-inside-a-70-ghz-electromechanical-attenuator/ #electromechanical #rohde&schwarz #radiohacks #attenuator #microwave #stripline #solenoid #pi-pad #rf

Directional Antenna Stands Tall - When you think of directional ham radio antennas, you probably think of a Yagi, cu... - https://hackaday.com/2023/12/05/directional-antenna-stands-tall/ #verticalantenna #radiohacks #hamradio #antenna

Don’t Let The Baluns Float Over Your Head - Most ham radio operators will build an antenna of some sort when they first start ... - https://hackaday.com/2023/04/29/dont-let-the-baluns-float-over-your-head/ #radiofrequency #highfrequency #transformer #radiohacks #commonmode #uglybalun #feedline #antenna #balun #choke #noise #coax #rf

See Satellites in Broad Daylight with This Sky-Mapping Dish Antenna - If you look up at the night sky in a dark enough place, with enough patience you’r... - https://hackaday.com/2023/03/31/see-satellites-in-broad-daylight-with-this-sky-mapping-dish-antenna/ #geosynchronous #transponder #radiohacks #altazimuth #satellite #gimbal #orbit #dish #lnb #ka #ku

A Microwave Frequency Doubler - It is an age-old problem. You have a 2.5 GHz source and you want it at 5 GHz. You ... - https://hackaday.com/2021/10/18/a-microwave-frequency-doubler/ #frequencydoubler #radiohacks #microstrip #microwave #stripline #stripline #rf

Time’s Almost Up For The FrankenFMs: The Impending Switchoff of Analog TV - In a time when multi-channel digital TV is the norm it’s a surprise to find that a few low-power ana... - https://hackaday.com/2021/03/13/times-almost-up-for-the-frankenfms-the-impending-switchoff-of-analog-tv/ #radiohacks #frankenfm #analogtv #vhftv #ntsc #tv

Tracking Down Radio Frequency Noise Source, With Help from Mother Nature - Amateur radio operators and shortwave listeners have a common enemy: QRM, which is ham-speak for r... - https://hackaday.com/2020/09/25/tracking-down-radio-frequency-noise-source-with-help-from-mother-nature/ #radiofrequencyinterference #amateurradio #radiohacks #noisefloor #switchmode #shortwave #ferrite #ham #qrm #rfi

Lock Your Keys in the Car On Purpose with Aluminum Foil - [TJ] is a surfer, and drives his car to get to the beach. But when he gets there he’s faced with a... more: https://hackaday.com/2020/04/22/lock-your-keys-in-the-car-on-purpose/ #wirelesshacks #radiohacks #carhacks #antenna #sensors #keyfob #radio #lock #surf #car #key

Two Perspectives on James Clerk Maxwell and His Equations - We are unabashed fans of [The History Guy’s] YouTube channel, although his history videos aren’t a... more: https://hackaday.com/2020/03/26/two-perspectives-on-james-clerk-maxwell-and-his-equations/ #jamesclerkmaxwell #maxwellsequations #radiohacks #science #history

The RFI Hunter: Looking for Noise in All the Wrong Places - Next time you get a new device and excitedly unwrap its little poly-wrapped power supply, remember... more: https://hackaday.com/2020/01/15/the-rfi-hunter-looking-for-noise-in-all-the-wrong-places/ #radiohacks #commonmode #noisefloor #shortwave #amateur #ferrite #toroid #choke #nosie #radio #emi #ham #rfi

A Modern Take On A Piece Of Old Test Equipment - The HP 11947A is something of a footnote in the back catalogue of Hewlett Packard test equipment. ... more: https://hackaday.com/2019/12/15/a-modern-take-on-a-piece-of-old-test-equipment/ #radiohacks #attenuator #limiter #hp #rf