jchristensen Goto Github PK
Name: Jack Christensen
Type: User
Bio: Retired EE that somehow spent a career in IT.
Location: Grand Blanc, MI, USA
Name: Jack Christensen
Type: User
Bio: Retired EE that somehow spent a career in IT.
Location: Grand Blanc, MI, USA
Repository for default files.
Schematic and board for the Double-A DataLogger - A low-power Arduino-based data logger.
Code for the Double-A DataLogger - A low-power Arduino-based data logger.
Arduino-based wireless sensor node using XBee-ZB. Powered by two AA cells.
Double-A XBee Sensor Node
Arduino-based daily timer for AC appliances.
Small PCB to support switch and LEDs for AC timer project.
My work for 2022 Advent of Code, https://adventofcode.com/
open-source electronics prototyping platform
Two small breakout boards that make building an Arduino-compatible breadboard a snap!
Twitter client library for Arduino
A simple rsync backup script
ATtinyX4 Breadboard Helper, the easiest way to breadboard an ATtiny microcontroller!
ATtinyX5 Breadboard Helper, the easiest way to breadboard an ATtiny microcontroller!
BPAN - Bash Privacy Automatic Navigator
Circuit for I5 BWL EV Exhibit
Code for I5 BWL EV Exhibit
Arduino-compatible board to measure AC mains current with current transformers
Arduino Current Transformer Library
A daily timer sketch for Arduino to control a 120VAC appliance according to a schedule with a solid-state relay.
Arduino library for DHT11DHT22, etc Temp & Humidity Sensors
Simple board to hold four APA102C addressable RGB LEDs.
Arduino Library for Maxim Integrated DS3232 and DS3231 Real-Time Clocks
A sketch to test the Arduino Entropy library at http://code.google.com/p/avr-hardware-random-number-generation/ and capture the data to an SD card.
A modified version of the Ethernet library from Arduino 1.8.5 that supports both the WIZnet W5100 and W5200 chips.
Arduino library to support external I2C EEPROMs.
RGB Fan Controller
Press the buttons to light up all the LEDs
My spin on Technoblogy's Five LEDs Puzzle.
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.