NoticeDifference between revisions of "Temperature Sensor Brick"
(→Electrical Characteristics) |
(→Electrical Characteristics) |
||
| Line 54: | Line 54: | ||
| Threshold hysteresis ΔUth||-||VCC*0.09||-||V | | Threshold hysteresis ΔUth||-||VCC*0.09||-||V | ||
|} | |} | ||
| + | |||
| + | http://imall.iteadstudio.com/media/wysiwyg/Products/ElectronicBrick/IM120710010_6.jpg | ||
| + | |||
| + | Temperature Vs. Thermistor resistance | ||
==Hardware== | ==Hardware== | ||
Revision as of 09:51, 26 May 2014
Contents
Overview
Electronic brick of temperature sensor is mainly used to detect the temperature changes in the environment. The control board can get the current temperature information via analog pins. Generally speaking, the resistance of temperature sensitive resistor decreases with the increase of temperature.
Features
1. Plug and play, easy to use. Compatible with the mainstream 2.54 interfaces and 4-Pin Grove interfaces in the market.
2. With use of M4 standard fixed holes, compatible with M4-standard kits such as Lego and Makeblock.
3. With switch to shift between analog and digital output. Able to read the specific temperature information (analog) or the over-high or over-low temperature information according to the threshold (digital). The adjustable potentiometer is used to set the temperature threshold. With hysteresis comparator circuit for more stable digital output voltage.
4. Detecting direction can be rotated for better adaption.
Specifications
| PCB Size | 36.0mm X 24.0mm X 1.6mm |
| Working voltage | 3.3 or 5V DC |
| Operating voltage | 3.3 or 5V DC |
| Compatible interfaces | 2.54 3-pin interface and 4-pin Grove interface * |
Note 1： D for digital output port, A for analog output port, S for analog/digital output port ( defined according to the switch), V and G for voltage at the common collector and ground respectively
Note 2： When setting as analog output, output range is 0-3.3V or 0-5V according to the working voltage (V,G); when setting as digital output, output is 0/3.3V or 0/5V according to the working voltage (V,G).
Electrical Characteristics
| Parameter | Min. | Typical | Max. | Unit |
| Working voltage | 2.1 | 5 | 5.5 | VDC |
| Analog output voltage（VCC=5V） | 0 | Vout | 5 | V |
| Digital output voltage（VCC=5V） | 0 | - | 5 | V |
| Working current（VCC=5V） | - | 5 | - | mA |
| Temperature sensitive resistor（temperature is 25℃） | - | 10 | - | kohm |
| Threshold hysteresis ΔUth | - | VCC*0.09 | - | V |
Temperature Vs. Thermistor resistance
