Arduino Projects to Save the World

Index

A

Alternating current (AC), 201

adapter voltage, 218, 219

Arduino Ethernet Shield, 222, 223

calibration, 217

constants, 220, 221

current settings, 217, 218

voltage settings, 218–220

data logging, 222

definition, 201

energy consumption, 229

energy monitor code, 211

calculatePower() function, 215, 216

constants, 214

data log file, 227, 228

data.txt file, 227

displayPower() function, 216

loop() function, 227

SD library, 223–227

setup() and loop() functions, 215

source code, 212–214

energy monitor hardware, 203

AC/AC adapter, 204

current and voltage sensing, 207, 208

display connection, 208, 209

LCD, 204

monitoring process, desk lamp, 211