Module Information
Model: RC-TASK2-868
Description:
ASK/OOK transmitter module with Crystal oscillator.
Vdc: 2.2 ÷ 3.6Volt
Current: 21/15mA
Frequency: 868.30MHz
Power : 10dBm
Dimension: 20.32 x 11.43mm
Model: RC-TFSK3-434
Description:
433.92MHz FSK Radio Transmitter Module - Standard Pinout .
Vdc: 2.4 ÷ 3.6Volt
Current: 14.5m
Frequency: 433.92MHz
Powe : 10dBm
Dimension: 20.32 x 11.43mm
Model: RC-TFSK4-434
Description :
433.92MHz FSK Transmitter Module - Standard Pinout.
Vdc: 2.4 ÷ 3.6Volt
Current: 14.5mA
Frequency: 433.92MHz
Power : 10dBm
Dimension: 30.5 x 10.3mm
Reference Schematics
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RC-SPC1KA
Capacitive Rain Sensor
RC-SPC1KA is an thick film technology rain sensor. This device is realized in Allumina (AL2O3) substrate, this material is endowed a big reliability from an electrical thermal point of view. The sensor consists of three parts :
1) Capacitive sensor (Face A)
2) Heater generator (Face B)
3) Temperature Sensor (Face B)
Datasheet
The Face A is the sensitivity area (capacitiver sensor) this area is exposted to natural agent (rain); In dry condition the value of the capacitor is nominal 100pF.
In presence of the rain the capacitance goes to high valued respect the dry contidion;
The ratio changing is over 420%, in the table N.1 you can verify the capacitance change characteristics.
On Face B is present the heating circuit the temperature sensor (NTC component) and the connection interface (six pads).
On the rear of the rain sensor there is a temperature sensor NTC with a nominal resistence value 1Kohm (25°C), it’s possible use this sensor to monitor the environment temperature. It’s possible to control the heater against particolar environment condition as frost and dump. With these 3 functions : - Measure the capacitance (Table 1) - Measure the environment temperature (Table 2) - Heater control (Table 3) It’s possible establish if it's raining or not.
Electrical Parameters
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Heater Time
NTC characteristics
Capacitive change characteristics
Mechanical Dimensions
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Application Note
You might be interested RC-SPC1Kversion.
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