# SAMS0N1TE/lr2021-sdr > Experimental C library and firmware that turn a Semtech LR2021 LoRa chip into a raw 16-bit I/Q SDR, covering 100 MHz to 2.74 GHz for receive, recording and waveform transmission. - Magnitude: 3.8 out of 10 — Early signal - Stars: 136 total · +11 stars measured 2026-10-18, 00:22–11:46 UTC, ≈ 26 by evening - Star trust: star growth looks organic - Category: Hardware, IoT & robotics · Language: Python · License: GPL-3.0 · Created: 2026-10-11 · Last push: 2026-10-17 - GitHub: https://github.com/SAMS0N1TE/lr2021-sdr · Page: https://gitnova.dev/en/r/SAMS0N1TE/lr2021-sdr ## Useful for - Capture raw I/Q from the LR2021 for offline decoding and signal analysis. - Decode and listen to live P25 Phase 1 voice or POCSAG pages on the LilyGO T-Display-P4. - Replay captured OOK or FSK remote waveforms through the LR2021 transmit path. ## Why it’s here - Star-counter measurements on 2026-10-18 (UTC), 00:22–11:46: 125 → 136 stars (+11). This is the change over that interval. - Estimated end-of-day forecast: about +26 stars, using observed gains and the previous day. - Over the last two days the pace is 7.5× that of the previous 5 days. - The repository is 7 days old and already has 136 stars. With less than two weeks of history, there's no usual pace to compare the spike against yet. - About 5 forks a day — people are taking the code. ## Star trust Star growth looks organic. Star-trust labels are heuristics based on the repository’s behavior, not a check of every stargazer. ## Numbers - Forks: 13 - Issues and pull requests: 2 - Watchers: 1 - Average over the last week: 22 per day - Usual pace: too little history (under two weeks) - Stars in the last hour (measured): 2 - Latest release: v0.2.0 (2026-10-11) ## Stars per day, last 8 days (oldest → newest, today is partial) 2026-10-11 … 2026-10-18: 1, 2, 0, 0, 18, 69, 37, 11 ## Magnitude by day, last 2 days 10-17 4.6, 10-18 3.9 ## Similar by description 1. **AlexandreRouma/SDRPlusPlus** — 1.0 · Steady · Hardware, IoT & robotics · C++ · +1 star measured 2026-10-18, 00:29–11:53 UTC, ≈ 3 by evening Cross-platform open-source SDR software for receiving and processing signals from SDR hardware, with multi-VFO, waterfall display, SoapySDR and dedicated hardware modules. Full card: https://gitnova.dev/en/r/AlexandreRouma/SDRPlusPlus.md --- Magnitude (0–10) measures how fast and how unusually interest in a repository is growing right now. It is not a quality score. Days are UTC. “So far today” is a fact; “expected by the end of the day” is a forecast. Summaries and use cases are written by an LLM (DeepSeek V4.1 Flash) from the README and may be inaccurate: verify specific claims (benchmarks, speed, hardware) in the repository itself. Data as of 2026-10-18 11:55 UTC, updated every 30 minutes.