Want to Use One Remote for Identical Bulbs with NO App
A place to share and discuss all things related to home automation.DMR APRS Packets not showing up on APRS.FI
Topics and discussions related to the amateur radio digital mode DMR.Can Broadcast AM Radio Harmonics be a Problem for HF Reception?
Welcome to Reddit's own amateur (ham) radio club. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world experiment and communicate with each other on frequencies reserved for license holders. All topics relating to the hobby are welcome here, from purchasing and building equipment, to operating techniques and activities, and everything in between.Poor Daytime Band Conditions (17m thru 10m) Lately?
Welcome to Reddit's own amateur (ham) radio club. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world experiment and communicate with each other on frequencies reserved for license holders. All topics relating to the hobby are welcome here, from purchasing and building equipment, to operating techniques and activities, and everything in between.Top Ten Uses for a CardPuter?
The Unofficial community for the Cardputer, The Credit Card sized Computer. Ask questions, Post Updates, Discover Stuff. All up to you! Logo art by: u/aaaidanDIY Noise Cancelling Passive Loop (NCPL) Antenna for AM
This sub is about Quansheng radios and related techHigh Packet Error Rate
Welcome to Meshtastic's Official Subreddit! This is your go-to Reddit hub for all things Meshtastic—an open-source project that empowers you with off-grid, affordable, and resilient communication through LoRa mesh networks. Join our community to share insights, ask questions, collaborate on projects, and stay updated on the latest developments. Whether you're a seasoned developer or a curious newcomer, everyone is welcome to contribute and explore the limitless possibilities of Meshtastic!For DIY USB Power Splitter Cable, Do I need a Smoothing Capacitor to Stop LED Flicker?
This subreddit is dedicated to both amateur and professional engineers that want to build cool stuff at home, challenge themselves to learn new technologies, learn from each others' designs, and showcase their side projects.Micron Field Variables in NomadNet
Reticulum is a transport agnostic cryptography-based networking stack with E2EE, Forward Secrecy and Initiator Anonymity. Reticulum allows you to build wide-area networks with off-the-shelf tools such as LoRa, packet radio, WiFi, that can continue to operate under adverse conditions, such as extremely low bandwidth and very high latency.Images from 01-Jan-2025 23:10et, pre-outage
A subreddit dedicated to artificial satellites that the everyday folk can interact with, but topics relating to all kinds of man-made satellites are welcomeAPRSdroid Sending but not Receiving Analog APRS Messages (Yes, This Again)
Welcome to Reddit's own amateur (ham) radio club. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world experiment and communicate with each other on frequencies reserved for license holders. All topics relating to the hobby are welcome here, from purchasing and building equipment, to operating techniques and activities, and everything in between.Arduino 'Radar'
An unofficial place for all things Arduino! We all learned this stuff from some kind stranger on the internet. Bring us your Arduino questions or help answer something you might know! 😉Easy Board Pin Repair
An unofficial place for all things Arduino! We all learned this stuff from some kind stranger on the internet. Bring us your Arduino questions or help answer something you might know! 😉Planar Antenna Ideas?

Welcome to Reddit's own amateur (ham) radio club. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world experiment and communicate with each other on frequencies reserved for license holders. All topics relating to the hobby are welcome here, from purchasing and building equipment, to operating techniques and activities, and everything in between.
Meshtastic and BPFs?
Welcome to Meshtastic's Official Subreddit! This is your go-to Reddit hub for all things Meshtastic—an open-source project that empowers you with off-grid, affordable, and resilient communication through LoRa mesh networks. Join our community to share insights, ask questions, collaborate on projects, and stay updated on the latest developments. Whether you're a seasoned developer or a curious newcomer, everyone is welcome to contribute and explore the limitless possibilities of Meshtastic!LignoSat Modulation Decoding (The Japanese Wooden Satellite)
A subreddit dedicated to artificial satellites that the everyday folk can interact with, but topics relating to all kinds of man-made satellites are welcomeAdvice Requested: MPPT for 5 Volt Device

Are you building a solar system for your house? Shed? RV? This subreddit is for you! Discuss your projects, show us pictures, ask for help. Anything DIY Solar!
What Type of Package and How to Solder it?

A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.