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Home Automation using a PC and Picaxe chips.
Figure 1 - 315Mhz Receiver/Transmitter/Sensor/Controller
Build a microcontroller in 1 hour for under $15
VB.Net serial interface code and ftp interface code
VB.Net Serial interface instructable
400 metre RF data transmission experiment for under $30
500 metre data transmission for under $40
Control an xbox or calculator or any device with buttons using just a picaxe 14M
Accessing the PC serial port using VB6
New serial one wire bus with bi directional communications and background processing
16 outputs from an 8 pin picaxe using two 74HC595 serial to parallel chips
Solar powered radio repeater modules
RF Tank level indicator (Lots of pictures and includes koala fight photos)
Slow serial data transmission for turning on remote sprinkler solenoids
Postbox code for buffering sensor inputs into PC
Pump controller with auto shutdown in case of PC crash
12HP petrol/gasoline engine autostart
700 metre RF link for tank level
Creating Gerber files for making PCBs from Eagle
Dr James Moxham, Belair, Adelaide, South Australia
moxhamj {at} internode.on.net