How many days does 1 TB of CCTV storage hold?
4 cameras, 1080p H.265, 24/7: about 16 days.
Record only on detection (8h of activity a day): 4 cameras for 30 days in 622 GB instead of 1.87 TB.
Free calculator:
https://t.co/GdiALjWcuH
#cctv#nvr
A Raspberry Pi or a Linux mini PC can record your IP cameras.
One .deb (x64/ARM64) or a ready Pi image. No Docker.
Pi 5 8GB: 1 to 2 cameras with AI on. Core i5 12th gen: 5 to 6.
Free, no camera limit.
https://t.co/M1k3HrnMZ4
#nvr#raspberrypi
A Mac that stays on can record your IP cameras.
macOS 14.4+, Apple Silicon or Intel. Apple M2 8GB: 12 to 14 cameras at 1080p with AI on (measured).
Add camera lists the cameras on your network. Free, no camera limit.
https://t.co/b4U0cd0tn3
#nvr#cctv
Finding an IP camera's RTSP URL:
rtsp://CameraIP:554 + the brand's path.
Hikvision /Streaming/Channels/101
Dahua /cam/realmonitor?channel=1&subtype=0
Reolink /Preview_01_main (RTSP on first)
Full table + how to test:
https://t.co/3E3l2gtukb
#rtsp#ipcamera
No NVR box? A Windows PC records your IP cameras.
Windows 10 (1903+)/11, 64-bit. N100 mini PC: 1 to 2 cameras, Core i5 12th gen: 5 to 6.
Add camera lists the cameras on your network. Free, no camera limit.
https://t.co/AST4PfreXJ
#nvr#cctv
Ring: $19.99/mo plan for Video Search.
Agent DVR: $14.95/mo for people and vehicle analytics.
Litmus NVR: $0.
I'm building it. Photo cards, paths across cameras, plates, phone alerts on your own PC. Free, no camera limit.
https://t.co/jPsBZbEpRL
#securitycameras
Reolink RTSP not connecting? It's off on many models.
App: Advanced Network Settings → Server Settings → RTSP on.
rtsp://CameraIP:554/Preview_01_main
Preview_01_sub = substream
Full reference: https://t.co/jir2CLvUBe
#reolink
Someone keeps dumping trash behind your building. Your camera records it. Nobody watches.
I'm building Litmus NVR: zone the trash spot, get a phone alert when someone shows up at night. Free.
https://t.co/iQ5qWlMgMO
#illegaldumping
Nest Aware went from $8 to $10 a month. In the Oct 2025 AWS outage, many Ring owners couldn't see their cameras.
I'm building Litmus NVR: it records on your own PC, keeps going offline, and every feature is free. RTSP/ONVIF cameras.
https://t.co/xKMN4UIhlk
How to record IP cameras on your PC without an NVR:
1. Camera with RTSP or ONVIF
2. Install Litmus NVR (Windows, Mac, Linux)
3. Add the camera: ONVIF finds it, or paste the RTSP URL
4. Record when detected or 24/7
Free, no camera limit (ours).
https://t.co/pJEugTwSwz