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Products that do what We built the smallest dual-band aircraft tracker does
We've been building open source embedded ADS-B receivers for a while, and spent the past 8 months smallifying our existing receiver tech with a new chip from Semtech. Ask me anything about ADSB or hardware manufacturing!
- 1BA
Hi everyone! Shortly after publishing my iOS 4 jailbreak last October[1], I got to work on my next hobby project: a from-scratch homebrew GPS receiver, which can solve the user’s location solely from billions of radio antenna samples. I took a commodity SDR (alongside the Python standard library and numpy) and built a signal processing pipeline that can detect and track GPS satellites over many minutes, drop and pick up satellites as they come in and out of view, and precisely determine the user’s position and clock inaccuracy. All told, gypsum can go from a cold start to a fix on the user’s…
2024 · axleos.com
- 2FA
As part of a little research and also some fun I decided to try my hand at seeing how small of an ESP32 board I can make with functioning WiFi.
Nov 2025 · github.com
- 3RH
This project is an RF Signal Scanner built using an ESP32, AD8317 RF detector, and various other components. It's designed to detect and measure RF signals in the environment and display the signal strength on an OLED display. It's useful to find hidden cameras, wiretapping devices, and other RF-enabled devices.
2024 · github.com
- 4ABADS-B visualizer▲339
I've created a web app for querying and visualization of ADS-B datasets: https://adsb.exposed/ Source code: https://github.com/ClickHouse/adsb.exposed/ The results significantly exceeded my expectations because the pictures are insanely beautiful, and the data is a treasure trove. It proves many statements that were not certain: - it is feasible to generate tiles by aggregation on a pixel level (instead of hexagons or rectangular grid); - it does not require JPG/PNG tiles - we can transfer raw bitmap data with zstd compression; - it is possible to…
2024 · adsb.exposed
- 5SA
Hello, I'd like to share a 3D plane tracking web app that I developed called: skies-adsb. Living near KMIA (a very busy airport), I spend a lot of time plane spotting and thought it would be cool to track planes in 3D. In October 2021, I built a prototype 3D ADS-B flight tracker called skies-adsb using p5.js. In April 2022, I released version 1.0 of skies-adsb, rewritten in Three.js. However, this release still relied on manual editing of GeoJSON layers. By late 2024, I had learned enough about GIS and GeoPandas to automate map creation using custom GeoJSON layers. During the Christmas…
2025 · github.com
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2025 · pilane.obviy.us
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- 9MU
2020 · monitoror.com
- 10PR
2016 · github.com
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Tinfoil Pigeons▲120See the aircraft flying over you on a retro radar scope
Jun 2026 · tinfoilpigeons.com
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Trace LLM requests + costs with OpenTelemetry monitoring
Oct 2025
- 14OS
A couple of months ago, I built this app to help identify people stuck under rubble. First responders have awesome tools. But in tough situations, even common folks need to help. After what happened in Myanmar, we need something like this that works properly. It has only been tested in controlled environments. It can also be improved; I know BLE is not _that_ effective under rubble. If you have any feedback or can contribute, don't hold back.
2025 · github.com
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I've been working on this for a while now, and I'm happy to share! I've been into launching weather balloons for a few years. One aspect of the hobby that really drew me in was the tracking side of things. Tracking systems let you follow the balloon's position throughout the flight and, most importantly, know exactly where it lands so you can recover the instrumentation. APRS is what I started out using during my first few years in the hobby, after I got my amateur radio license in 2020 (W0MXX). I designed a few small boards using the trackuino…
2025 · github.com
- 18IT
Hi HN - My name is Andrew, and I'm a high school student. This is a write-up on StratoSpore, a payload I designed and launched to the stratosphere. The goal was to test if we could estimate physical altitude based on algae fluorescence (using a lightweight ML model trained on the sensor data). The blog post covers the full engineering mess/process, including: - The Hardware: Designing PCBs for the AS7263 spectral sensor and Pi Zero 2 W. -The biological altimeter: How I tried to correlate biological stress (fluorescence) with altitude. - The Communications: A custom lossy compression…
Nov 2025 · radi8.dev
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Hi, we’re Simon, Don and Dan, and we’re developing infrastructure for enabling Bluetooth devices that can communicate with your web backend (we’re calling it Blecon). Think your own AirTags network, but for sensors talking to your servers. We’ve got most of the underlying tech for the network infrastructure in place, and now have samples of a first manufacturer device that supports Blecon - a small rechargeable accelerometer tag. Not much live yet, but we put a summary of this first device and how it works in the link (plus you’ll find some early developer docs for the network infrastructure…
2022 · blecon.net
- 24DY
Jun 2026 · github.com
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