BigFont
January 18, 2021
( Github: https://github.com/telleropnul/ ) BigFont is a series of Arduino libraries to display large text on a character LCD display. How to use To use the library: Start the Arduino editor Tools > Manage Libraries… Search for “bigfont” and make your selection. Libraries are installed in the following location by default: C:\Users\…..\Documents\Arduino\libraries\ Example sketches are […]
Reaper DAW + DUNE3 synth
February 10, 2020
To record MIDI as MP3 in Reaper: Add two tracks. Track1 Input: MIDI > Select MIDI keyboard FX > Select Synth VST Recording monitoring: ON (Speaker symbol) Press Track 1 recording button so it starts writing when you record. Open instrument window (press FX button) You can now play your Synth and record MIDI. When […]
Arduino Mouse Jiggler
December 14, 2019
This requires a genuine Arduino Pro Micro with ATmega 32U4 chip with dedicated onboard USB transceiver hardware. This allows the micro controller core to act as a USB mouse. #include <Mouse.h> /* * NAME: Arduino Mouse Jiggler * DATE: 2020-04-20 * DESC: Arduino based mouse emulator * VERSION: 1.0 */ int move_interval = 100; // […]
Traccar on Koozali SME server
December 30, 2018
To install Traccar on Koozali SME server: wget https://github.com/traccar/traccar/releases/download/v4.2/traccar-linux-64-4.2.zip unzip traccar-linux-64-4.2.zip Archive: traccar-linux-64-4.2.zip inflating: traccar.run inflating: README.txt rm README.txt traccar-linux-64-4.2.zip ./traccar.run –help mkdir traccar ./traccar.run –target traccar cd traccar java -jar tracker-server.jar conf/traccar.xml In puTTY add a tunnel 8082 to localhost:8082 to your SSH connection In your internet browser, type in “http://localhost:8082” […]
LibreElec boot from USB – Error after upgrading
July 4, 2018
Raspberry Pi 3 or Raspberry Pi 3+ Use LibreELEC USB-SD Creator to write libreelec-rpi2.arm-8.2.4.img.gz to SD card. Use LibreELEC USB-SD Creator to write libreelec-rpi2.arm-8.2.4.img.gz to USB memory stick. Add “program_usb_boot_mode=1” (without double quotes) to config.txt on SD card just once and boot your Pi to flip a bit in a write-once register to enable USB […]
Inkscape – Path operations & alignment
May 27, 2018
Inkscape has a number of commands to form new paths from two or more preexisting paths. The z-order of the paths is important. It does not matter if you click object A first and then object B, or vice versa – it is the order of the parts i.e. which part sits on top that […]
Windows Gadgets
April 13, 2017
I use Windows Sidebar Gadgets (originally developed for Windows7) in Windows 8/10. You can install 8GadgetPack from the internet to do so. I like being able to use my computer as an alarm clock to show me a message after X minutes or at a specific time. Most countdown / alarm clock timers play a […]
Arduino + HC-SR04
November 4, 2016
Description The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package. From 2cm to 400 cm or 1” to 13 feet. Its operation is not affected by sunlight or black material. Acoustically soft […]
Arduino + WS2812
November 2, 2016
Description You can purchase long flexible strips of small surface mounted LEDs that come on a spool. You can cut the strip to length at the cut marks. You can solder strips together by using the solder pads. There are a number of different type of SMD (surface mounted device) LEDs available: The most common […]