Discover JChristensen/rtc79412 Open Source project

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Created about 12 years ago
Updated almost 3 years ago

JChristensen

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Breakout Board for the Microchip MCP79412 Real-Time Clock/Calendar

JC_Button

Arduino library to debounce button switches, detect presses, releases, and long presses

C++

423

DS3232RTC

Arduino Library for Maxim Integrated DS3232 and DS3231 Real-Time Clocks

C++

393

Timer

A fork of Simon Monk's Arduino Timer library

C++

372

Timezone

Arduino library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments.

C++

279

tinySPI

Arduino hardware SPI library for ATtiny44/84, 45/85, 461/861, 2313/4313.

C++

154

extEEPROM

Arduino library to support external I2C EEPROMs.

C++

114

movingAvg

A simple Arduino library for calculating moving averages.

C++

MCP79412RTC

Arduino library for the Microchip MCP79411/12 Real-Time Clock/Calendar

C++

CurrentTransformer

Arduino Current Transformer Library

C++

mini1284

A minimal breadboard-friendly design for the ATmega1284P MCU

JC_EEPROM

Arduino library to support external I2C EEPROMs.

C++

usb-condom

A little something for the tinfoil hat crowd.

Thermocouple

Thermocouple library for Arduino and MAX6675

Java

millionOhms_SW

Warning One Million Ohms (firmware): Amuse your friends and confuse your enemies! Keep the uninititated away from your desk or out of your lab!

C++

PowerOutageMonitor_SW

Sketch for an Arduino-based Power Outage Logger

C++

TinyWireM

My modifications to the TinyWireM library from the Arduino Playground

C++

serialLogger

An Arduino-Compatible Serial Data Logger

C++

JC_Sunrise

Arduino library to calculate sunrise and sunset times.

C++

PowerOutageMonitor_HW

Arduino-Based Power Outage Logger PC Board

tinyTorch

Hardware design for a small LED flashlight powered by an ATtiny84A.

Eagle

MCP9808

Arduino Library for Microchip MCP9808 Maximum Accuracy Digital Temperature Sensor

C++

gpsFreq

Arduino frequency counter library, uses a 1 Hz (PPS) signal from a GPS receiver as an accurate time base

C++

nightLight

An Arduino-based demonstration/educational project with several interesting hardware and software features.

Java

geiger

Firmware for the MightyOhm Geiger Counter

tinyTorch-fw

Firmware for a small LED flashlight powered by an ATtiny84A.

C++

ledFire_HW

LED PWM Fire Effect using ATtiny84A (hardware design)

FiveLEDs

My spin on Technoblogy's Five LEDs Puzzle.

C++

ledFire_FW

LED PWM Fire Effect using ATtiny84A (firmware)

Arduino

aaLogger_SW

Code for the Double-A DataLogger - A low-power Arduino-based data logger.

Arduino

GroveStreams

GroveStreams Library for Arduino

C++

ds18b20

C++

CurrentMonitor

Arduino-compatible board to measure AC mains current with current transformers

piXBee

Interfaces Andrew Rapp's XBee-Arduino library to C++ running on a Raspberry Pi.

C++

jcGoldieClock

My firmware for LarryD's Goldie Clock

C++

MCP9800

Arduino Library for Microchip MCP9800/1/2/3 2-Wire High-Accuracy Temperature Sensors

C++

larson84

Firmware for the tinyLarson scanner

C++

jc_MAX31856

Arduino library for the Maxim Integrated MAX31856 Thermocouple to Digital Converter

C++

tinyLarson

Larson scanner powered by an ATtiny84a

tinyTimer

A small battery-operated timer based on an ATtiny84A.

rtc7941x

MCP78411/12 RTC Break-Out Board with MCP9800/2 Temperature Sensor

aaLogger_HW

Schematic and board for the Double-A DataLogger - A low-power Arduino-based data logger.

Vetinari_SW

Arduino

aaXBee_HW

Double-A XBee Sensor Node

Eagle

Vetinari_HW

xmasCandles

Arduino-powered Christmas Window Candles

Arduino

gsXBee

Arduino XBee Library for GroveStreams Wireless Sensor Network

C++

bbhTinyX5

ATtinyX5 Breadboard Helper, the easiest way to breadboard an ATtiny microcontroller!

entropyTest

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.

Arduino

dotstar4

Simple board to hold four APA102C addressable RGB LEDs.

Ethernet

A modified version of the Ethernet library from Arduino 1.8.5 that supports both the WIZnet W5100 and W5200 chips.

C++

ac-timer-panel

Small PCB to support switch and LEDs for AC timer project.

bbhTinyX4

ATtinyX4 Breadboard Helper, the easiest way to breadboard an ATtiny microcontroller!

ac-timer-hw

Arduino-based daily timer for AC appliances.

aaXBee

Arduino-based wireless sensor node using XBee-ZB. Powered by two AA cells.

C++

Trace

Bash script to run traceroute for a given IP and log the results to a file.

Shell

backup

A simple rsync backup script

Shell

dehumid

A daily timer sketch for Arduino to control a 120VAC appliance according to a schedule with a solid-state relay.

C++

Minimal-Sensor-Network

A minimal Arduino/XBee/Pachube sensor network

Arduino-Breadboard-Helpers

Two small breakout boards that make building an Arduino-compatible breadboard a snap!

JChristensen/rtc79412

JChristensen

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