rtl_433
Healthchecks
rtl_433 | Healthchecks | |
---|---|---|
172 | 208 | |
5,754 | 7,291 | |
- | 2.9% | |
9.3 | 9.7 | |
7 days ago | 6 days ago | |
C | Python | |
GNU General Public License v3.0 only | BSD 3-clause "New" or "Revised" License |
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rtl_433
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Reverse engineering a car key fob signal
And there's a multiformat receiver block too: https://github.com/merbanan/rtl_433
- What is this signal?
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Error handling in a failing service
pi@pi4b8:/etc/systemd/system $ cat rtl_433.service # based on https://github.com/merbanan/rtl_433/issues/1651 [Unit] Description=RTL_433 service script StartLimitIntervalSec=5 Documentation=https://github.com/merbanan/rtl_433/README.md After=syslog.target network.target [Service] Type=exec ExecStart=/usr/bin/rtl_433 -C si -F mqtt # Restart script if stopped Restart=always # Wait 30s before restart RestartSec=30s # Tag things in the log # View with: sudo journalctl -f -u rtl_433 -o cat SyslogIdentifier=rtl_433 StandardOutput=syslog StandardError=syslog [Install] WantedBy=multi-user.target
- seeking help with 433Mhz remote integration
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Create a subghz file from known data?
For example, rtl_433 has the spec for an X10 sensor say I know what data I want to put where, is there some tool/site I could enter in what the "specifications" of the signal waveform are and the data I want to send as a byte-string or binary-string and it would create a playable .sub file for me?
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New Guy: Outdoor Thermostat / automated fan start/stop.
For "outdoor distances" I'd probably stick to something LoRa or 433MHz based. YoLink has quite a few options using the LoRa protocol. I use basic 433Mhz based AcuRite sensors paired with an RTL-SDR dongle connected to a machine running RTL_433, and use Home Assistant to trigger automations and alerts.
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Mystery signal?
866-868MHz is SRD/ISM band (in UK/EU). Can be things like energy meters, TPMS, medical devices etc. Try rtl_433 on it.
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Problem trying to listen to a Honeywell doorbell (RF 868 Mhz) with RTL-433
I'm trying to add a Honeywell doorbell to Home Assistant by using the RTL-433 GitHub project/program. When I run the program the SDR dongle is detected but it doesn't display anything when I press the doorbell (the image shows what I see after running the program and pressing the doorbell). I have also tried Honeywell Activelink (FSK) aka [116], so I have tried both 115 and 116 decode protocols.
- Elster TPR11 water meter reader
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Next Mileston for an RTL-SDR newbee?
rtf_433 IoT & embedded device signal receiving https://github.com/merbanan/rtl_433
Healthchecks
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Show HN: I built a self-hosted status page and monitoring tool for my projects
Hey mate, I'm using https://healthchecks.io/ for heartbeat monitoring my crons. It's been working flawlessly for quite some time now. The UI is super clean and easy to navigate. It's also free up to 20 monitored jobs. Note - I'm not in any way related to that project.
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Webhooks suck, but here are alternatives
In fact, your platform (https://healthchecks.io/) is a prime example of where running customer wasm would be really excellent.
Instead of sending webhooks out to customer configured URLs, you could run a Wasm environment to execute customer code. Off hand, a good use case here is to do further inspection of the event before it gets sent off to some other system - maybe there are cases where you send false-positives and needlessly trigger external system alerts. The customer Wasm could do more introspection on the healthcheck event and make a more informed decision about how to proceed.
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What do you use for external monitoring?
i use healthchecks.io and have been very happy
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Show HN: OnlineOrNot – Cron Job Monitoring
Is there anything different from https://healthchecks.io/ --- a service I've been using for free for a couple years now?
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Prioritize IPv4 over IPv6 in dual stack
Because of this block on the router, and the fact that IPv6 connections are by default preferred over IPv4, many things on the system now cannot access the internet. the only things that can access the internet are for accessing servers that ONLY support IPv4 like my mail.smpt2go or my uptime monitoring scripts for healthchecks.io.
- Ask HN: How do you monitor your systemd services?
- Show HN: Peeng – like Pingdom, but the other way around and simpler
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Detecting and alerting for power failures
i use https://healthchecks.io/ and highly recommend it.
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Managing re-occurring tasks - Daily/weekly/monthly
We use a heartbeat system. Basically the monitoring continuously sends an alert to a healtcheck system. If that heartbeat fails, PagerDuty sends an alert to the oncall.
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Uptime site monitor - notification solutions for home while sleeping
i like healthchecks.io
What are some alternatives?
rtl-wmbus - Software defined receiver for wireless M-Bus with RTL-SDR
uptime-kuma - A fancy self-hosted monitoring tool
rtlamr - An rtl-sdr receiver for Itron ERT compatible smart meters operating in the 900MHz ISM band.
cadvisor - Analyzes resource usage and performance characteristics of running containers.
ESPHome-VideoDoorbell - Doorbell made using ESPHome with a TTGO T-Camera
gatus - ⛑ Automated developer-oriented status page
mayhem-firmware - Custom firmware for the HackRF+PortaPack H1/H2
Netdata - The open-source observability platform everyone needs
SDRPlusPlus - Cross-Platform SDR Software
Sentry - Developer-first error tracking and performance monitoring
multimon-ng
borgmatic - Simple, configuration-driven backup software for servers and workstations