Guangzhou Saintray Electron Co., Ltd.
Main products:rf module,wireless transceiver,transmitter,receiver,RFID
Products
Contact Us
  • Contact Person : Ms. deng mary
  • Company Name : Guangzhou Saintray Electron Co., Ltd.
  • Tel : 086-020-8520055105
  • Address : Guangdong,guangzhou,6th Floor, No. 166 Chang Gang Zhong Road, Haizhu District, are good business center
  • Country/Region : China
  • Zip : 510250

Agricultural indoor temperature control system

Agricultural indoor temperature control system
Product Detailed
The module all uses SMR components, whose ultrathin structure makes it easy embedded into the user equipment

The Diagram and Indexes of Data Transmit Latency

Serial Interface

       start sending             repeat send 

………. ||||||||||||||||||||||||||||||||||||………||||||||||||||||||||||||||||||||||||

Radio waves

………………||||||||||||||||||||||||||||||||||||……………..||||||||||||||||||||||||||||||||||||

start sending                   return to receive state

enter into send state 

The delay time

 

<1ms

 

<2ms

 

Notes:

1. Starting Time <1ms ; 

The time of transmitting and receiving switch process<2ms

    2,.....indicates the receiving state.    

||||| indicates the transmitting state.

 

 

3.3 The interfaces of LED1 and LED2 will be shared with the transmitting and receiving indicator lights. Additionally, the function of LED1 and LED2 interfaces can be customized as requested, such as the function of keys, high or low level or switch value output. Besides, the diagram of the internal connection is as follow:

 

 

The specification of Connections

A DC5V adapter with the corrugation<50mV and current >300mA is necessary, and the linear power supply is better, instead of the switch power.

 

a. The Connection to RS232 of PC

 

RF module with RS232 interface is necessary.

b. The Connection to 485 Interface of The User Terminal:

 

RF module with RS485 interface is necessary. 

 

c. The Connection to TTL-level Interface of The User Terminal

 

 The RF module with TTL-level interface is necessary.

 

 

 

 

 



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