28040 Parallax Inc, 28040 Datasheet - Page 8

• Manufacturer Part Number: 28040
• Description: Board Mount Temperature Sensors Infrared Thermometer 90 Deg Mod MLX90614
• Manufacturer: Parallax Inc

Specifications of 28040

• Temperature Threshold: + 380 C
• Package / Case: SIP-5
• Digital Output - Number Of Bits: 16 bit
• Supply Voltage (max): 5 V
• Description/function: Temperature Sensor
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Supply Current: 20 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Programming the MLX90614 module
The following example programs are available for download from the 28040 product page at
www.parallax.com. They will demonstrate how easy the MLX90614 module is to program. Please note
that writing to the EEPROM is not complete until the 5V power to the module is cycled.
Example 1 – MLX90614_Demo-Simple.BS2
This example demonstrates basic temperature reading from the MLX90614 Module, as well as a PEC byte
CRC check. Before you run this program you should load a slave address using Example 2.
Example 2 – MLX90614_Write-EEPROM.BS2
Use this program to write a slave address, alarm level and data intervals to the MLX90614 Module,
particularly useful if you use Example 3 and place multiple modules on the same serial bus. Note that
after you write the slave address it is necessary to switch the power off and on again. A cycle of power
with the BASIC Stamp Editor's Debug Terminal open will display the new address.
Example 3 – MLX90614_Demo-Networked.BS2
Once a module has been given a slave address, you can put many of them on a single bus. All ground,
power and serial I/O lines are shared. Reset lines can be shared if required. No addressing with pull-up
2
or pull-down resistors is required as used in I
C communications. To use this program, enter each of the
slave addresses in the constants section.
Copyright © Parallax Inc.
MLX90614 Infrared Thermometer Modules (#28040-28042)
v2.0 11/18/2008 Page 8 of 8