GPS modules data
Here I will be posting comparison and data of GPS modules I have. Module Chip HDOP Cold start sec. (indoor) HT1818U8G5L ubx-g8030-kt(probably m8030)so its series […]
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Robotron 1715 monitor repair
The next step, is repairing Robotron 1715 K7222 monitor. Initially, I tried to plug in the monitor to the computer and see what happens ( […]
WSL2 OpenGL apps with sound
Install VcXsrv Start VcXsrv:Multiple windows,Start no client,Native OpenGL – unchecked,Disable access control – checked. Download Pulse audio server from https://www.freedesktop.org/wiki/Software/PulseAudio/Ports/Windows/Support/Edit ‘etc\pulse\default.pa’Addload-module module-native-protocol-tcp auth-ip-acl=YourLinuxOrWSLIp auth-anonymous=1load-module module-waveout […]
Ubuntu install Clojure
sudo apt install default-jre sudo apt install openjdk-11-jre-headless sudo apt install openjdk-8-jre-headless sudo apt install leiningen lein repl //Install IntelliJ IDEA snap install intellij-idea-community –classic […]
Ackermann function in Clojure, verion 1
[code] (defn ack [m n] (if (= m 0) (inc n) (if (= n 0) (ack (dec m) 1) (ack (dec m) (ack m (dec […]
PowerBuilder, different DD list values for each row
Source http://www.pbdr.com/pbtips/dw/fltrdddw.htm Step 1 – declare instance variables boolean ib_dropdowndropped = False boolean ib_dropdownredrawn = True Step 2 – extend the pbm_dropdown event ib_dropdowndropped = True […]
Low power transmitter using saw resonator
http://jap.hu/electronic/rf/434MHz_SAW-based_oscillators_and_transmitters.pdf
Duty cycle vs frequency
Good explanation is here. See the image: Frequency = 1 / Tcycle and Hertz is the unit of frequency. It gives the number of cycles in one second. […]
Some reads for new project
Combining a Z80 and an ATmega644P to boot CP/M http://benryves.com/journal/3662496 Teensy Z80 – Part 1 – Intro, Memory, Serial I/O and Display Teensy Z80 – […]
New features of Java Script
ECMAScript 6 new features:http://es6-features.org/#Constants ECMAScript 7 new deatures:https://h3manth.com/new/blog/2015/es7-features/