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MNO LAN: Use same MNOs SIM card in your IoT devices like GL-MiFi
One of the big issues with IoT is somehow enabling two end nodes to communicate with each other in the presence of Network Address Translation (NAT)Now days most ISPs (and Mobile Network Operators or...
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googletest on Ubuntu
Running gtests on your C++ programs using g++ on Ubuntu:InstallationInstall CMake:sudo apt install cmakeSwitch to home directory and:git clone --depth 1 https://github.com/google/googletest.gitBuild...
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Hacking ESP8266 Black cloud features Board T5
A few months ago, I got my hands on ESP8266 Black cloud features Board T5 which has an ESP8266, an 8051 microcontroller and a few sensors. The 8051 microcontroller acts as a master to the ESP8266 and...
View ArticleLinux Internals
What happens at boot?Kernel Boot Process by 0xAX at GithubAnalyzing the Linux boot process by Alison ChaikenWhat happens when a device is plugged in?What actually happens when you plug in a USB device?...
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Hacking "ESP8266 Black Board T5" Part 2 - Blinky and Hello World on SDCC
Previous Part:Hacking "ESP8266 Black Board T5" Part 1 - Blinky on KeilLets now move to SDCC, because SDCC is free and the free version of Keil has limitations. We will also move away from Windows to...
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Enabling an Industrial I/O Driver on Raspberry Pi 3 running Arch Linux ARM
MPU9250 from TDK is a three in one Gyro + Accelerometer + Compass sensor with an I2C interface. Mainline Linux kernel has the source code for it's driver which reads values from the sensor via I2C and...
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USB connector for MA1 Dongle
Bought a Motorola MA1 from USA to add wireless capability to the existing Android Auto (wired) feature in our Hyundai Alcazar. Did not like the way the dongle kept dangling and coming in the way when...
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Plogging Stick
If you are into plogging, and use a grabber stick to pick up trash without bending down,try this. Get a guitar band and attach it to a Magnetic knife rack from Ikea. You can then carry the grabber...
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Switchboard Stickers
Stickers for your switch boardBuy those in India:https://amzn.to/3yBn2XO
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Car phone holder using Action Camera parts
Tired of off the shelf phone holders because:They don't stay stuck in placeCause the phone to overheat under direct sunlightBlock your view (attach to windscreen)Damage your vent louvers?Try this DIY...
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Tile Cleaner
Dayumm, this Roff Cera Clean thing actually works! https://amzn.to/3xAzpUc A little light wiping/scrubbing was needed using a duster Before After
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AC Drip Tray
A Jugaad proper solution for redirecting water dripping from AC's outdoor unit away from your clothes AC Drain TrayMagnetic Attachment for BadgesLoctite Epoxy Plastics Bonders1/2" inch CPVC pipe &...
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Type C Coupler
Want to charge your smart watch whose charging cable has a USB Type C plug from a laptop charger which also has a USB Type C plug?Use a Type C Female to Female Couple
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Shower Wand and Black Hose
Planters in high hard to reach places for watering?Algae colonizing your garden hose?Couldn't keep you garden hose organized?Here are solutions to all three.Shower Wand (black) from UgaooBlack pipe to...
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Sunlight Diffuser for plants
Easy and an aesthetic way to protect your plants from intense sunlight during summer - use studio flash diffusers. I am thinking, painting the "umbrellas" will be a good idea as well:Prolite White...
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Noisy Castor Wheels #FAIL
DIY Counter example:Bought a Porto Study Table from Home CanvasThought I would put caster wheels on it to make it easy to move around, so bought me a set of these wheels and mounted them on the table....
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RO Waste Water Storage Tank
We have a under the counter RO water purifier. Even though it smarted switches to non-RO mode when not required, the quantity of water being wasted in RO mode was still huge. It felt irresponsible...
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Broom Holder
Yup, like our moms, we too keep the broom behind our kitchen door. But we did one better. We installed a broom holder to make the broom bristles stay straight and last longer. Also its neat and the...
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non-VESA Mount
The tale of the non-VESA monitorNever buy a monitor that doesn’t have a VESA mounting hole. But in case someone dumps a working one on you.There are mounts available for monitors without VESA mounting...
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Chopping Board
If it were upto my mom (I have the Standard Indian Middle Class Version), she would have continued to use this wooden chopping board for another decade. But her kharchila beta, will save her from...
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Clamp Phone Holder for Creta
Was looking for a phone holder for our Creta that wouldn’t fall down while driving on bumpy and dismal roads of India. Found this gem for ₹1,448. It can clamp on to the edge of your console organizer...
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Creating an installable lua only Hello World Package for OpenWrt
Introduction In a previous post (Adding new elements to OpenWrt's LuCI on GL-MiFi) we saw how to add new entries to the web interface of a device running OpenWrt by adding/editing files directly on...
View ArticleHow I Got Roasted by AI and What It Taught Me About Distributed Systems.
Me: based on what you know about me from my chats so far, roast meChatGPT-5:Oh, you want a roast? Alright, let’s go 🔥You’re the only person I know who will spend three hours hacking OpenWrt just so you...
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