Pi-hole a Raspberry Pi based network-wide ad blocker

#Pihole a #Raspberry Pi based network-wide #adblocker

Pi-hole is a software that turns your Pi into a Network wied ad blocker. Pi-hole Block ads for all your devices without the need to install client-side software. The Pi-hole blocks ads at the DNS-level, so all your devices are protected.

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List of Simulators and Emulators for Arduino

Here is the list of simulators/emulator for Arduino.


  1. Simulator for Arduino (Paid)
  2. simavr (OSS)
  3. emulare (OSS)
  4. Atmel Studio (Free)
  5. emulino (OSS)
  6. Proteus VSM for Arduino AVR (Paid)
  7. simuino (Free)
  8. CodeBlocks Arduino IDE (Free)
  9. Arduino Debugger/Simulator (OSS)
  10. Virtual Breadboard
  11. 123d circuits (Free)
  12. Visuino (Paid)

Did you know any simulators/emulator that’s missing in the list, leave it in comment we will add it here.


How to take screenshot of RaspberryPi Desktop

#Howto take screenshot of #RaspberryPi Desktop

Problem vs Solution

Some time you may need to share the screenshot of your entire screen, for that purpose you can use a command line tool named scrot

Below will take a screenshot and save it in current directory with the name “test.png.”

scrot ./test.png

scrot can do more, try help scrot -h for more usage options.



AdaPilot – open source safety critical flight controller system.

#AdaPilot – #opensource safety critical #flightcontroller system.

The development platform at this point is from AdaCore. They sell Ada tools commercially, but there are free, open-source versions at The platforms address Ada across the board down to a configurable/customizable run-time library consisting of the “Small Footprint” (SFP) and Ravenscar profiles. AdaPilot is looking for supporters and contributors.

There are other autopilot open-source projects already out there like OpenPilot and ArduPilot.

AdaPilot website:


OpenSCAM is now CAMotics and 3-axis CNC milling or engraving simulation software

#OpenSCAM is now #CAMotics and 3-axis #CNC milling or engraving #simulation software


CAMotics is an Open-Source software which simulates 3-axis CNC milling or engraving. It is a fast, flexible and user friendly simulation software for the DIY and Open-Source community. CAMotics works on Linux, OS-X and Windows.