danman's blog

Search
Skip to content
  • Contact

Monthly Archives: January 2018

Teardown

3D shutter glasses teardown

22. December 2020 danman Leave a comment

These are for DLP-Link projectors which can quickly strobe white frame between video frames for shutter signalling. You can read more about this technology here. They use specialized chip TPS65835 which integrates most of the needed functionality. Maybe I’ll try some hacking on this later.

3d glassesboarddissassemblydlp-linkteardown
Cheap 433Mhz receivers comparison
Projects

Cheap 433Mhz receivers comparison

22. January 2018 danman 1 Comment

I bought 2 cheap 433Mhz receiver modules from aliexpress for comparison. Continue reading Cheap 433Mhz receivers comparison →

433Mhzcomparisonoutputscopewireless
Old radio clock upgraded to NTP
Projects

Old radio clock upgraded to NTP

29. March 2018 danman 1 Comment

I own the radio clock on the title picture. I’ve used it for some time but it annoyed me because it drifted a lot (several seconds a day). It’s synchronized to power network frequency but it doesn’t work well in my case and I hate to adjust the clock over and over again. So I decided to sync it automatically using esp8266. Continue reading Old radio clock upgraded to NTP →

DIYesp8266IoTNodeMCUNTPradio clockupgrade
Openshift: exit code 137
Linux, Openshift

Openshift: exit code 137

7. January 2018 danman Leave a comment

If your pod exited with exit code 137 so you see something like this in pod Details page:

Last State  Terminated at Jan 7, 2018 5:00:15 PM with exit code 137 (Error)

your pod has been killed with signal 9. Continue reading Openshift: exit code 137 →

137exitoomopenshift
How to recover containerized etcd in Openshift cluster
Linux, Openshift

How to recover containerized etcd in Openshift cluster

7. January 2018 danman Leave a comment

If you tried to add node to your etcd cluster and it failed, your cluster may have lost quorum and will not start again. To recover it you need to create new cluster identity. This is a short howto. Continue reading How to recover containerized etcd in Openshift cluster →

dockeretcdopenshift

Most popular

  • New version of Lenkeng HDMI over IP extender – LKV373A (Update 6. sep 2019) 127.9k views
  • Bricking and unbricking Vontar X96 mini 113k views
  • Reverse engineering Lenkeng HDMI over IP extender 54.8k views
  • Playing with CAN bus 40.9k views
  • CH341A USB serial EEPROM reader under Linux 39.8k views
  • $2 USB crypto token for use with GPG and SSH 37.8k views
  • About adding a static route to my DOCSIS modem 35k views
  • Ender 3 as a laser cutter 31k views
  • Installing SNMP MIBs in Ubuntu 28.7k views
  • ESP32 NTP OLED clock 23.3k views
  • Cloning iButton using RW1990 and AVR 18.1k views
  • OrangePI: H264 HW encoding with ffmpeg 16.2k views
  • Updating RNS315 maps for fun and profit 16k views
  • Using socat for multicast receiving and proxying 15.5k views
  • usbip-utils 2.0 on Ubuntu 14.3k views
  • Repurposing Cisco power supplies
  • Chinese PoE extractor teardown
  • Hacking Wowme U300Q Car Camera to Actually Work
  • Reverse engineering Tesla 2-bus protocol
  • My wireguard cheatsheet
  1. danman on Updating RNS315 maps for fun and profit3. December 2025

    I don't think there is any map newer than 2021. There are people selling maps but I have no idea…

  2. Reid S on Updating RNS315 maps for fun and profit2. December 2025

    Do you k ow if anyone sells the unofficial RNS-315 2025 or latest cards using this method? I like the…

  3. danman on Fixing broken TP-Link TL-MR10026. October 2025

    le external

  4. Rocco on Fixing broken TP-Link TL-MR10026. October 2025

    I'm have a questione, LTE antenna is external whit connector or internal whitout connector? it's possible used other antenna whit…

  5. Marcel on Reverse engineering Tesla 2-bus protocol24. September 2025

    Hi Danman, ok great. I will try :-) thank you

Meta

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org

Your IP address

216.73.216.153
Fourteenpress WordPress theme by noorsplugin | Proudly powered by WordPress