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

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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

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 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

Heater Time

NTC characteristics

Capacitive change characteristics

Mechanical Dimensions

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electrical schematics

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Application Note

You might be interested RC-SPC1Kversion.

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