Converting A Nebra Cryptocurrency Miner To A Meshcore Repeater
After the swivel by Helium Inc. towards simply running distributed WiFi hotspots after for years pushing LoRaWAN nodes, many of the associated hardware became effectively obsolete. This led to quit…
Demonstrating The Sheer Lack Of Security In First Gen Cellular Networks
Modern cellular networks are built to serve millions upon millions of users, all while maintaining strict encryption across all communications. But earlier cellular networks were by no means so sec…
Review And Demo Of The Zoyi ZT-QB9 Smart Clamp Meter
Over on YouTube [Kiss Analog] reviews the New Zoyi ZT-QB9 Smart Clamp meter. If you’re putting together an electronics lab from scratch you absolutely must get a multimeter to start. A typica…
39C3: Liberating ESP32 Bluetooth
Bluetooth is everywhere, but it’s hard to inspect. Most of the magic is done inside a Bluetooth controller chip, accessed only through a controller-specific Host-Controller Interface (HCI) pr…
Decoding Meshtastic With GNU Radio
Meshtastic is a way to build mesh networks using LoRa that is independent of cell towers, hot spots or traditional repeaters. It stands to reason that with an SDR and GNU Radio, you could send and …
Making Your Wireless Keyboard Truly Low-Power
The basics of keyboard design are tried and true at this point, but there are still a few aspects yet unconquered. One of them is making your keyboards wireless. You might think it’s easy, bu…
ESP-Hosted Turns ESP32 Into Linux WiFi/BT Adapter
While we are used to USB WiFi adapters, embedded devices typically use SDIO WiFi cards, and for good reasons – they’re way more low-power, don’t take up a USB port, don’t re…
Polyphase Wireless EV Fast Charging Moves Forward
While EV charging isn’t that tedious with a cable, for quick trips, being able to just park and have your car automatically charge would be more convenient. Researchers from Oak Ridge Nationa…
Garden Light Turned Mesh Network Node
We love a good deal, especially when it comes to scavenging parts for projects. Cheap outdoor solar lights are more than just garden accessories; they’re a handy source of waterproof enclosur…
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