Monthly Archives: August 2012
Arduino Water Metering Project – Pins Used
Ethernet: D10, D11, D12, D13 microSD: D4, D11, D12, D13 RTC: A2 (Output LOW for GND), A3 (OUTPUT HIGH for Vcc), A4 (SDA), A5 (SCL) ArduinoISP: D9 (but only during burning new bootloader) IFB-specific: D2 and poss. D5, D6, D7 … Continue reading
booting over Ethernet
https://arduino.cc/playground/Code/TFTPBootloader1 http://sowerbutts.com/optiboot-w5100/ http://www.freetronics.com/pages/how-to-upload-a-sketch-to-your-arduino-via-a-network#.UD83JEL6QQY
Cabling For The Cottage Garage Access Point
The end result is quite tidy. An existing wall plate having a live ethernet feed and two unused telephone cables was reused. The leftmost socket is now the connection to the cottage LAN. The middle socket connects to CAT5E cable … Continue reading
Source of Odd-sized Lithium round batteries in NZ
Importer in Christchurch: 03-384-2744
Debouncing code examples
https://hackaday.com/2010/11/09/debounce-code-one-post-to-rule-them-all/
Arduino – Table of pins used by shields
https://arduino.cc/playground/Main/ShieldPinUsage
Arduino – important examples
Ethernet and SD – browse the SD files remotely https://www.ladyada.net/learn/arduino/ethfiles.html Temp/Pressure logger using Arduino with ethernet and SD https://www.axelbehrens.de/arduino/80-temperature-pressure-logger
PROGMEM – Store Constants Only in Flash Memory
http://arduino.cc/en/Reference/PROGMEM
Arduino Uno Memory
Memory There are three pools of memory in the microcontrollers used on Arduino boards (e.g. the ATmega168): Flash memory (program space), is where the Arduino sketch is stored. SRAM (static random access memory) is where the sketch creates and manipulates … Continue reading
The Arduino Water Meter Project
Dave, yes why not use the SD card as additional storage for the web page boilerplate. I was wondering how much non-voatile storage the Arduino had w/o the SD. A Bit ABout The Water Meter Project The pump shed and … Continue reading