uart

I've hit both a dead-end information-wise and literally with my DVR now boot looping.. I have a Swann DVR4-1580/DVR4-720P/DVR-6904AU (last one is a guess from my 'detail' section before boot looping my dvr) and I'm in dire need of firmware and guidance from anyone to just get it working again...

Bought a second hand DS-7216HGHI-SH. Was told that just power adapter is missing. I have added regular 12V DC socket in parallel, so I can use standard 12V connector. In process I have noticed that all four 470u/10V caps were swollen, so replaced all caps just in case. On board battery CR-1220...

Hi, first post here. I was looking for the rs232 connection on my newly bought NBD8008R - 3536DV100 V1.01 Hangzhou Xiongmai First I was looking at the 4 pin connector CN4, but that seems to be a USB host. I finally found some chinese description online It wasn't quite the same board, but...

I recently picked up a used Hikvision DS-7608NI-E2/8P (at auction) that was password locked. The seller was unable to tell me where it was sold, and all the Hikvision offices I contacted (US, EU, AU, CN, HK) provided the canned "purchased through an unauthorized" channel response. The stated...

Easy recovery without serial: Dahua IPC EASY unbricking / recovery over TFTP Hello, I broke my camera by accident while messing with the firmware and had to recover it. Since I am not the only one that this has happened to and will probably not stay the last one: Here is a simple tutorial on...

Hi All, Need to access the 'boot screen' to resolve a failed firmware upgrade for my DS-2CD2132F-IS Dome Camera. I've reached out to Hikvision support and they eventually provided a photo of the cable in question (see attached). They advised that I would have to purchase one from a UK re-seller...

I got a USB to TTL adapter at Sparkfun.com, about $10 and connected to a camera during bootup. For those interested, I got the JSP connector at the link below that plugs directly into the camera, so easy peasy. The wires coming out of the adapter are as follows, red is ground, black is RX...