ASK Super-heterodyne RF Transmitter and Receiver Module 315mhz/433.92mhz Smartphone Android Receiver Board
|45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.|
Guarantees: On-time Delivery 60 days
Mini Size Super-Heterodyne Decoding 4CH Receiver Module Working Voltage: DC3V-5V ( the best DC5V) Size: 28*12.5*5mm Working Frequency: 315/433.92MHZ Optional Working Current: ≤3mA (5.0V DC) Modulation Mode: ASK Sensitivity: -105dBm (50Ω) Remote Distance: 10-100 meters (open space) Output Data : 4CH High Level Signal TTL Encoding Type: Learning Button to add Transmitter Working Mode: Momentary Toggle Latched adjustable Pin No. Pin Name Instruction 1 VT Output Status Indication 2 D Data Output 3 C Data Output 4 B Data Output 5 A Data Output 6 5V Power+ 7 GND Power- Momentary .Toggle .Latched Adjusted by the Dot on the Receiver . Momentary————Press the Transmitter button A, the receiver relay A is ON, release button A; the receiver relay A is OFF, the same as B/C/D Toggle—————Press transmitter button A for 1 time , the receiver relay A is ON, press button A again, the receiver relay A is OFF, the same as B/C/D. Latched—————— Press transmitter button A, the receiver relay A is ON, the relay B/C/D is OFF. Press transmitter button B, the receiver relay B is ON, the relay A/C/D is OFF. Press transmitter button C, the receiver relay C is ON, the relay A/B/D is OFF Press transmitter button D, the receiver relay D is ON, the relay A/B/C is OFF. It also mean .Latched only can keep 1CH ON .and it will often have 1CH is ON.
When drive the MCU directly ,the I/O port cant connect the pull-up or pull-down resistors because the drive current of RXB12s data output pin is weak.Also the inner pull-up or pull-down resistors of MCU should be disabled.
Package included :10 sets
|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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