Firstly, I apologize to all you experts out there as I've only just become aware of PicAxe and its potential, but one has to start somewhere!
My challenge is to log soil moisture and temperature at about 4 sites in a vineyard remote by up to 200 metres from a base station (PC).
After doing quite some reading on-line, I think I have a reasonable knowledge of the devices available and options that I might need. However some general advice as to the correctness of my choice of PicAxe hardware (below) would be gratefully accepted before I order parts.
Project Specs:
multi-site logging, 4 channels per site, data every 15 minutes or so (384 readings per logger total per day), transmission of data <=200 metres to a PC from each logger at weekly (2688 readings or more) or greater intervals.
Hardware:
at each logging site- an AXE110P datalogger kit with AXE034 clock enhancement and 24LC256 EEPROM, an AXE210 connect board, extra PICAXE 18 chip and XBEE 2.4GHz module, enhanced aerial for the range required .
at the PC- an AXE210 connect board with XBEE 2.4GHz module and MAX3232 chip instead of PICAXE chip
My challenge is to log soil moisture and temperature at about 4 sites in a vineyard remote by up to 200 metres from a base station (PC).
After doing quite some reading on-line, I think I have a reasonable knowledge of the devices available and options that I might need. However some general advice as to the correctness of my choice of PicAxe hardware (below) would be gratefully accepted before I order parts.
Project Specs:
multi-site logging, 4 channels per site, data every 15 minutes or so (384 readings per logger total per day), transmission of data <=200 metres to a PC from each logger at weekly (2688 readings or more) or greater intervals.
Hardware:
at each logging site- an AXE110P datalogger kit with AXE034 clock enhancement and 24LC256 EEPROM, an AXE210 connect board, extra PICAXE 18 chip and XBEE 2.4GHz module, enhanced aerial for the range required .
at the PC- an AXE210 connect board with XBEE 2.4GHz module and MAX3232 chip instead of PICAXE chip