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Temperature Data Logger kit

Question: The documentation states that the DS1820 was replaced by the DS18S20. Why did the kit contain DS1820?
Answer: The supplier includes either DS1820 or DS18S20 depending on availabilty. Either part will work with the kit

Documentation in acrobat format

Free software

(K145)

cps145.jpg
This is an 8-pin microcontroller based circuit for temperature data logging via the serial port of any computer from between 1 and 4 remote digital temperature sensors, DS18S20 or DS18S20 made by Dallas.

Features:
  • provides realtime data via the serial port
  • interfaces up to 4 x DS18S20 sensors
  • accuracy to 0.5 degrees centigrade
  • fahrenheit scale selected by a jumper
  • no external power required
  • data stream easily logged & processed
  • over 200m distance for each sensor
  • kit includes 1 x DS1820

PCB size: 1 1/2"x1 1/2" (CPS145)
 
Quantity
Price
1 – 9$32.46
10 – 99$30.15
100 +$29.15

  Kit - Basic Soldering Required  
  CPS145  
  3  
 
 
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Click here for larger picture.
SERIAL CABLE SUBD9 MALE - SUBD9 FEMALE / 6 FT
 
Specifications:
  • length: 6.6ft
Quantity
Price
1 – 9$3.42
10 – 99$3.24
100 +$2.97

  Component or Part  
  CW014  
  57  
 
..........................
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Firmware chip ONLY for K145 / CPS145 / CPA145 Temperature Data Logger kit
 
(BB108)
Quantity
Price
1 – 9$17.10
10 – 99$16.20
100 +$14.85

  Component or Part  
  BB108  
  2  
 
..........................
Click here for specs, downloads and more pictures.
DS1820 TO92 IC
 
The DS1820 Digital Thermometer provides 9–bit temperature readings which indicate the temperature of the device. Information is sent to/from the DS1820 over a 1–Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor to a DS1820. Power for reading, writing, and performing temperature conversions can be derived from the data line itself with no need for an external power source. Because each DS1820 contains a unique silicon serial number, multiple DS1820s can exist on the same 1–Wire bus. This allows for placing temperature sensors in many different places. Applications
where this feature is useful include HVAC environmental controls, sensing temperatures inside buildings, equipment or machinery, and process monitoring and control.
GND
DQ
VDD
(BB042)
Quantity
Price
1 – 9$8.99
10 – 99$8.45
100 +$7.99

  Component or Part  
  BB042  
  5  
 
..........................
tn_cps190.jpg
4-Channel Temperature Monitor and Control
 

This kit is an extension of our popular K145 Temperature Logger kit.  Like the K145 it features 4 temperature inputs using the DS1820 digital sensor.  We have also added 4 relays to provide output control.  Commands for reading temperatures or controlling relays are sent via the RS232 serial interface using simple text strings.  The kit can be controlled by a simple terminal or communications program (such as Hyperterminal) or via the free Windows software available for the kit.  This software provides basic thermostat and temperature logging functions. This kit includes 1 x DS1820

Quantity
Price
1 – 9$96.89
10 – 99$89.99
100 +$86.99

  Kit - Basic Soldering Required  
  CPS190  
  5  
 
 
Click here for specs, downloads and more pictures.
DS1820 TO92 IC
 
The DS1820 Digital Thermometer provides 9–bit temperature readings which indicate the temperature of the device. Information is sent to/from the DS1820 over a 1–Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor to a DS1820. Power for reading, writing, and performing temperature conversions can be derived from the data line itself with no need for an external power source. Because each DS1820 contains a unique silicon serial number, multiple DS1820s can exist on the same 1–Wire bus. This allows for placing temperature sensors in many different places. Applications
where this feature is useful include HVAC environmental controls, sensing temperatures inside buildings, equipment or machinery, and process monitoring and control.
GND
DQ
VDD
(BB042)
Quantity
Price
1 – 9$8.99
10 – 99$8.45
100 +$7.99

 
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