Wednesday, January 9, 2019

1/4 to 3/8 Conversion Adapter Nut Screw Cap for Tripod

1/4 to 3/8 Conversion Adapter Nut Screw Cap for Tripod
1/4 to 3/8 Conversion Adapter Nut Screw Cap for Tripod 1/4 to 3/8 Conversion Adapter Nut Screw Cap for Tripod 1/4 to 3/8 Conversion Adapter Nut Screw Cap for Tripod



Features:
 
The utility model can convert a small size 1/4 screw head on a tripod platform or a photographic lamp holder into a large size 3/8 screw head, which belongs to a practical small accessory.
 
Package Included:

1 x 1/4 to 3/8 Conversion Nut Screw Cap
























1/4 to 3/8 Conversion Adapter Nut Screw Cap for Tripod Buy Now


nRF52832 2.4GHz Transceiver Wireless RF Module CDSENET E73-2G4M04S1B SMD Ble 5.0 Receiver Transmitter Bluetooth Board

nRF52832 2.4GHz Transceiver Wireless RF Module CDSENET E73-2G4M04S1B SMD Ble 5.0 Receiver Transmitter Bluetooth Board
nRF52832 2.4GHz Transceiver Wireless RF Module CDSENET E73-2G4M04S1B SMD Ble 5.0 Receiver Transmitter Bluetooth Board nRF52832 2.4GHz Transceiver Wireless RF Module CDSENET E73-2G4M04S1B SMD Ble 5.0 Receiver Transmitter Bluetooth Board nRF52832 2.4GHz Transceiver Wireless RF Module CDSENET E73-2G4M04S1B SMD Ble 5.0 Receiver Transmitter Bluetooth Board



Feature:

RF Parameter Value Remark
Working frequency 2379~2496 MHz Default:  2.4GHz (32MHz oscillator)
Transmitting power 4 dBm About 2.5mW
Receiving sensitivity -95 dBm Air data rate: 1Mbps
Air data rate 1Mbps, 2Mbps Default: 1Mbps
Test distance 100m In open and clear air, with maximum power, 5dBi antenna gain, height of 2m
air data rate: 1Mbps
Hardware Parameter Value Remark
IC nRF52832-QFAA/QFN48 -
FLASH 512 KB -
RAM 64 KB -
Core ARM® Cortex™ -M4F -
Size 17.5 * 28.7 mm -
Antenna type PCB / IPEX -
Communication interface I/O -
Package SMD -

Electronic parameter Min. Typ. Max. Unit Condition
Power supply 1.8 3.3 3.6 V  
Communication level 1.8 3.3 3.6 V  
Transmitting current 13 14 15 mA 4dBm (2.5mW)
Receiving current 4 5 6 mA  
Sleep current 1 2 3 μA  
Operating temperature -40 20 85  
Operating humidity 10 60 90 %  
Storage temperature -40 20 125  

Package includes:

1 x Wireless RF Module





















nRF52832 2.4GHz Transceiver Wireless RF Module CDSENET E73-2G4M04S1B SMD Ble 5.0 Receiver Transmitter Bluetooth Board Buy Now


LoRa SX1278 433MHz Wireless RF Module IOT Transceiver CDSENET E32-433T20DT UART 3000M 433MHz Transmitter Receiver

LoRa SX1278 433MHz Wireless RF Module IOT Transceiver CDSENET E32-433T20DT UART 3000M 433MHz Transmitter Receiver
LoRa SX1278 433MHz Wireless RF Module IOT Transceiver CDSENET E32-433T20DT UART 3000M 433MHz Transmitter Receiver LoRa SX1278 433MHz Wireless RF Module IOT Transceiver CDSENET E32-433T20DT UART 3000M 433MHz Transmitter Receiver LoRa SX1278 433MHz Wireless RF Module IOT Transceiver CDSENET E32-433T20DT UART 3000M 433MHz Transmitter Receiver



Feature:

RF ParameterValueRemark
Working frequency410~441 MHzDefault: 433MHz
Transmitting power10~20 dBmDefault: 20dBm (About 100mW)
Receiving sensitivity-146 dBmAir data rate: 0.3kbps
Air data rate0.3k~19.2kbpsDefault: 2.4kbps
Test distance3000 meterIn open and clear air, with maximum power, 5dBi antenna gain, height of 2m
air data rate: 2.4kbps
     
Hardware ParameterValueRemark
Size21 * 36 mmWithout SMA
Antenna typeSMA-K     
Communication interfaceUARTBaud rate: 1200~115200, default: 9600
Package  DIP     
Buffer512 bytes bufferAutomatically sub-packaging with 58 bytes per package

Electronic ParameterMin.Typ.Max.UnitCondition
Power supply2.33.35.5V  
Communication level33.33.6V  
Transmitting current102110118mA20dBm (100mW)
909396mA10dBm (50mW)
Receiving current121518mA  
Sleep current358μA  
Operating temperature-402085  
Operating humidity106090%  
Storage temperature-4020125  

Package includes:

1 x 433MHz Transmitter Receiver






















LoRa SX1278 433MHz Wireless RF Module IOT Transceiver CDSENET E32-433T20DT UART 3000M 433MHz Transmitter Receiver Buy Now