News
Create A Tiny Telephone Exchange With An Analog Telephone Adapter
2+ hour ago (279+ words) An analog telephone adapter (ATA), or FXS gateway, is a device that allows traditional analog phones to be connected to a digital voice-over-IP (VoIP) network. In addition to this, you can even create... An analog telephone adapter (ATA), or FXS…...
Commodore 64 Helps Revive The BBS Days
1+ day, 14+ hour ago (338+ words) Before the modern Internet existed, there were still plenty of ways of connecting with other computer users "online", although many of them might seem completely foreign to those of us in the modern e... Before the modern Internet existed, there were…...
Demonstrating The Sheer Lack Of Security In First Gen Cellular Networks
6+ day, 6+ hour ago (237+ words) 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 secure... Modern cellular networks are built to serve millions upon millions…...
Tolerating Delay With DTN
1+ week, 8+ hour ago (780+ words) Perhaps the least reliable network today is one connecting things in deep space. That's why NASA has a keen interest in Delay Tolerant Networking (DTN). Note that this is the name of a protocol, not just a wish for a…...
Great Trains, Not So Great AI Chatbot Security
1+ week, 6+ day ago (440+ words) The bot sits on the Eurostar website, and is a simple HTML and JavaScript client that talks to the LLM back-end itself through an API. The API queries contain the whole conversation, because as AI toy manufacturers whose products have…...
The Rise and Fall of The In-Car Fax Machines
2+ week, 5+ day ago (347+ words) Once upon a time, a car phone was a great way to signal to the world that you were'better than everybody else.'It was a clear sign that you had money to burn, and implied that other people might actually…...
The Unreasonable Effectiveness of the Fourier Transform
2+ week, 5+ day ago (289+ words) [The Fourier transform]A talk, The Unreasonable Effectiveness of the Fourier Transform, was presented by [Joshua Wise] at Teardown 2025 in June last year. Click-through for the notes or check out the video "read more [The Fourier transform]A talk, The…...
Powering on a 1985 Photophone CP220 Videoconference System
2+ week, 6+ day ago (182+ words) The concept of remote video calls has been worked on since Bell's phone company began pitching upgrading from telegrams to real-time voice calls. It wasn't until the era of digital "read more Perhaps the coolest part of the device is…...
Quote Printer Keeps Receipts
3+ week, 1+ day ago (168+ words) In the world of social media, "keeping receipts" refers to the practice of storing evidence that may come in handy for a callout post at a later date. For [Teddy "read more In the world of social media, "keeping receipts…...
Bringing A Yagi Antenna to 915MHz LoRa
3+ week, 5+ day ago (314+ words) [The yagi, suction-cup mounted to a wall]If you're a regular reader of Hackaday, you may have noticed a certain fondness for Meshtastic devices, and the LoRa protocol more generally. LoRa is a great, low-power radio communications "read more [The…...