#radiohacks — Public Fediverse posts

Open-Source ExpressLRS Receiver Reaches for Range

https://fed.brid.gy/r/https://hackaday.com/2026/08/22/open-source-expresslrs-receiver-reaches-for-range/

Could Reticulum Power a Post-Internet Network?

https://fed.brid.gy/r/https://hackaday.com/2026/07/20/could-reticulum-power-a-post-internet-network/

Building a Low-Cost Satellite Tracker https://hackaday.com/2025/11/26/building-a-low-cost-satellite-tracker/ #RadioHacks #satellite #tracking #antenna #433mhz #radio #data #LoRa

This board helps you prototype circuits with tubes https://hackaday.com/2025/09/14/this-board-helps-you-prototype-circuits-with-tubes/ #breadboardhacks #vacuumtubes #RadioHacks #how-to

This board helps you prototype circuits with tubes - There you are at the surplus store, staring into the bin of faded orange, yellow, ... - https://hackaday.com/2025/09/14/this-board-helps-you-prototype-circuits-with-tubes/ #breadboardhacks #vacuumtubes #radiohacks #how-to

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

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

A Gentle Introduction to Impedance Matching - Impedance matching is one of the perpetual confusions for new electronics student... - https://hackaday.com/2025/05/02/a-gentle-introduction-to-impedance-matching/ #impedancematching #radiohacks #smithchart #impedance

A Gentle Introduction to Impedance Matching https://hackaday.com/2025/05/02/a-gentle-introduction-to-impedance-matching/ #impedancematching #RadioHacks #smithchart #impedance

A Lesson in RF Design Thanks to This Homebrew LNA https://hackaday.com/2024/11/04/a-lesson-in-rf-design-thanks-to-this-homebrew-lna/ #lownoiseamplifier #Noisefigure #RadioHacks #satellite #bandpass #biastee #PGA-103 #LRPT #LNA #vna

A Lesson in RF Design Thanks to This Homebrew LNA - If you’re planning on working satellites or doing any sort of RF work where the si... - https://hackaday.com/2024/11/04/a-lesson-in-rf-design-thanks-to-this-homebrew-lna/ #lownoiseamplifier #noisefigure #radiohacks #satellite #bandpass #biastee #pga-103 #lrpt #lna #vna

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

Portable Multi-SDR Rig Keeps Your Radios Cool https://hackaday.com/2024/09/03/portable-multi-sdr-rig-keeps-your-radios-cool/ #software-definedradio #3Dprintedenclosure #RadioHacks #aircooling #airflow #RTL-SDR

Portable Multi-SDR Rig Keeps Your Radios Cool - With as cheap and versatile as RTL-SDR devices are, it’s a good idea to have a cou... - https://hackaday.com/2024/09/03/portable-multi-sdr-rig-keeps-your-radios-cool/ #software-definedradio #3dprintedenclosure #radiohacks #aircooling #airflow #rtl-sdr

Coax Stub Filters Demystified https://hackaday.com/2024/07/21/coax-stub-filters-demystified/ #amateurradio #RadioHacks #impedance #bandpass #matching #coaxial #filter #stub #ham #RF

Coax Stub Filters Demystified - Unless you hold a First Degree RF Wizard rating, chances are good that coax stubs ... - https://hackaday.com/2024/07/21/coax-stub-filters-demystified/ #amateurradio #radiohacks #impedance #bandpass #matching #coaxial #filter #stub #ham #rf

Grid Leak Radio Draws the Waves - [Stephen McNamera] found a schematic for a grid leak radio online and decided to t... - https://hackaday.com/2024/05/23/grid-leak-radio-draws-the-waves/ #classichacks #vacuumtubes #radiohacks #radio

This Packable Ham Radio Antenna is Made from Nothing But Tape - On today’s episode of “Will It Antenna?”, [Ben Eadie (VE6SFX)] designs and tests a... - https://hackaday.com/2023/10/13/this-packable-ham-radio-antenna-is-made-from-nothing-but-tape/ #amateurradio #radiohacks #ducktape #antenna #2meter #copper #j-pole #duct #tape #ham

RF Remote Made Easy - The 433 MHz spectrum is a little bit of an oddball. It’s one of the few areas of t... - https://hackaday.com/2023/07/31/rf-remote-made-easy/ #remotecontrol #fourchannel #radiohacks #switching #arduino #atmega8 #433mhz #radio

A Quick and Easy Tape Measure Turnstile Antenna for MILSAT Snooping - The number of satellites whizzing by over our heads at any moment is staggering, a... - https://hackaday.com/2023/06/30/a-quick-and-easy-tape-measure-turnstile-antenna-for-milsat-snooping/ #circularpolarization #tapemeasure #radiohacks #satellite #turnstile #phasing #pirates #milsat #satcom #lhcp #rhcp

Russia’s New Mystery Shortwave Station - The Buzzer, also known as UVB-76 or UZB-76, has been a constant companion to anyon... - https://hackaday.com/2023/04/08/russias-new-mystery-shortwave-station/ #numberstations #radiohacks #uvb-76 #uzb-76

Impedance Matching Revisited - If you are an old hand at RF design, you probably have a good handle on matching i... - https://hackaday.com/2022/01/13/impedance-matching-revisited/ #impedancematching #radiohacks #ltspice #rf

FM Radio, The Choice Of An Old Generation - Had the pandemic not upended many of this summer’s fun and games, many of my frien... - https://hackaday.com/2021/08/26/fm-radio-the-choice-of-an-old-generation/ #hackadaycolumns #broadcasting #analogradio #radiohacks #vhf #fm

Surplus Syringes Make Satisfactory Tuner for Amateur Radio Experimentation - Amateur Radio as a hobby has a long history of encouraging experimentation using w... - https://hackaday.com/2021/08/14/surplus-syringes-make-satisfactory-tuner-for-amateur-radio-experimentation/ #impedancematching #variablecapacitor #variableinductor #amateurradio #radiohacks #coppertape #ferrite #syringe

How to Run a First-Generation Cell Phone Network - Retro tech is cool. Retro tech that works is even cooler. When we can see technolo... - https://hackaday.com/2021/06/02/how-to-run-a-first-generation-cell-phone-network/ #cellularnetwork #cellularphone #phonehacks #radiohacks #retrotech #limesdr #osmocom #usrp #sdr

How to Run a First-Generation Cell Phone Network - Retro tech is cool. Retro tech that works is even cooler. When we can see technolo... - https://hackaday.com/2021/06/02/how-to-run-a-first-generation-cell-phone-network/ #cellularnetwork #cellularphone #phonehacks #radiohacks #retrotech #limesdr #osmocom #usrp #sdr

The $50 Ham: A Cheap Antenna for the HF Bands - So far in the $50 Ham series, I’ve concentrated mainly on the VHF and UHF bands. The reason for this... - https://hackaday.com/2021/01/19/the-50-ham-a-cheap-antenna-for-the-hf-bands/ #hackadaycolumns #originalart #radiohacks #impedance #the$50ham #antenna #ferrite #toroid #balun #unun

Product Review: The tinySA, a Shirt-Pocket Sized Spectrum Analyzer - I suppose most of us have had the experience of going to the mailbox and seeing that telltale packag... - https://hackaday.com/2020/11/09/product-review-the-tinysa-a-shirt-pocket-sized-spectrum-analyzer/ #spuriousemissions #waveformgenerator #spectrumanalyzer #fundamental #radiohacks #toolhacks #frequency #featured #reviews #tinysa #radio

SDR Transmitting Gets the Power - Most hobby-grade software defined radio setups don’t transmit. Of the few that do, most of them pu... - https://hackaday.com/2020/08/29/sdr-transmitting-gets-the-power/ #software-definedradio #poweramplifier #transmitter #radiohacks #amplifier #plutosdr #limesdr #hackrf #radio #sdr

Homebrew Loop Antenna Brings the Shortwave World to You - Radio may be dead in terms of delivering entertainment, but it’s times like these when the original ... more: https://hackaday.com/2020/04/12/homebrew-loop-antenna-brings-the-shortwave-world-to-you/ #radiohacks #shortwave #coaxial #balun #noise #oroid #radio #coax #loop #unun #sdr

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