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Our "Mood Ring" sensor. Warning: does not change color!
Detects from -40° to 100° C (-40° to 212° F). View the sensor data using our Hot software (see below).
Application examples
- Measure outside, room or body temperature
- Let your own body heat play your sequences or be adventurous and
let the number of people in a room increase the heat.
- If you're interested in the wonders of your own body, check the
Biosensors too.
Technical specifications
| Product |
Hot sensor |
| Version |
1.3 (November 2009) |
| Sensing parameter |
temperature |
| Sensing method |
zener effect |
| Range |
-40° to 100° C (-40° to 212° F) |
| Accuracy |
2° C (1.8° F) |
| Response time |
80 s (in still air), 10 s (100 ft/min wind) |
| Output resistance |
36 KOhm in parallel with 1.8 KOhm |
| Calibration |
| ° C |
° F |
Voltage (use 5 V power supply) |
7-bit MIDI value (use 'no processing' editor preset) |
| -40 |
-40 |
2.33 |
59 |
| -30 |
-22 |
2.43 |
61 |
| -20 |
-4 |
2.53 |
64 |
| -10 |
14 |
2.63 |
67 |
| 0 |
32 |
2.73 |
69 |
| 10 |
50 |
2.83 |
72 |
| 20 |
68 |
2.93 |
74 |
| 30 |
86 |
3.03 |
77 |
| 40 |
104 |
3.13 |
80 |
| 50 |
122 |
3.23 |
82 |
| 60 |
140 |
3.33 |
85 |
| 70 |
158 |
3.43 |
87 |
| 80 |
176 |
3.53 |
90 |
| 90 |
194 |
3.63 |
92 |
| 100 |
212 |
3.73 |
95 |
| Power supply |
3 to 10 V DC, 1 mA at 5 V |
| Sensor dimensions |
18 x 11 x 8.0 mm (0.71 x 0.43 x 0.31 inch) |
| Weight |
15 g (0.5 oz), incl. cable |
| Cable |
1.0 m (39 inch), shielded, red wire = power, black wire = ground, white wire = sensor output, maximum extension 30 m (98 ft) |
| Connector |
male plug with 3 pins in a row spaced 2.54 mm (0.100 inch) |
| Software support |
- 8 Dec 2010: Hot v1.1 for MacOS and Windows from source code in Max.
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| Application notes |
- The upper temperature limit for this sensor is equal to the boiling point of water.
- Please note that this is an electrical device. Do not immerse in water.
- Temperature values are for the sensor itself, not for the cables, jack, circuit board, etc.
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