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8% off
Keyestudio AT-09 HM-10 Wireless Module Master-Slave CC2541 Bluetooth-Compatible 4.0 Module V3 For Arduino Supports Android & iOS Keyestudio AT-09 HM-10 Wireless Module Master-Slave CC2541 Bluetooth-Compatible 4.0 Module V3 For Arduino Supports Android & iOS

Keyestudio AT-09 HM-10 Wireless Module Master-Slave CC2541 Bluetooth-Compatible 4.0 Module V3 For Arduino Supports Android & iOS

$9.19$9.99

1 sold
10% off
With Floor LC-05 Master And Slave Integrated Bluetooth-compatible Module Bluetooth-compatible Serial Port (H5B3)

With Floor LC-05 Master And Slave Integrated Bluetooth-compatible Module Bluetooth-compatible Serial Port (H5B3)

$11.74$13.04

DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC

DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC

$69.68$69.68

19% off
1-50Pcs Anti Reverse Connection Wireless Bluetooth Serial Port Transmission Module HC-05 Master-slave Integrated Expansion Board 1-50Pcs Anti Reverse Connection Wireless Bluetooth Serial Port Transmission Module HC-05 Master-slave Integrated Expansion Board

1-50Pcs Anti Reverse Connection Wireless Bluetooth Serial Port Transmission Module HC-05 Master-slave Integrated Expansion Board

$56.00$69.14

10% off
LC-05 Bluetooth-compatible Serial Module Wireless Serial Module Wireless Transparent Module Master-Slave board(A1H4) LC-05 Bluetooth-compatible Serial Module Wireless Serial Module Wireless Transparent Module Master-Slave board(A1H4)

LC-05 Bluetooth-compatible Serial Module Wireless Serial Module Wireless Transparent Module Master-Slave board(A1H4)

$6.85$7.61

29% off
5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

$9.85$13.88

38% off
I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K

I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K

$9.90$15.97

19 sold
USB to MBUS Master Slave Converter communication Module UART serial to MBUS host FOR Smart control energy heat water meter USB to MBUS Master Slave Converter communication Module UART serial to MBUS host FOR Smart control energy heat water meter

USB to MBUS Master Slave Converter communication Module UART serial to MBUS host FOR Smart control energy heat water meter

$12.54$12.54

1 sold
Bluetooth Module 4.0 Ble Serial Port master-slave Integration iBeacon HM-10 Bluetooth Module 4.0 Ble Serial Port master-slave Integration iBeacon HM-10

Bluetooth Module 4.0 Ble Serial Port master-slave Integration iBeacon HM-10

$12.61$12.61

24% off
CH9350 USB Master-Slave Module Mouse Keyboard Scanner Automatic Recognition of Serial Two-wire Connection

CH9350 USB Master-Slave Module Mouse Keyboard Scanner Automatic Recognition of Serial Two-wire Connection

$10.26$13.50

37% off
MQTT Modbus RTU Module Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server Module MQTT Modbus RTU Module Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server Module

MQTT Modbus RTU Module Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server Module

$9.31$14.77

12 sold
5Pcs JDY-27 BLE5.1 Master Slave Integrated BLE Module JDY27 JDY 27 UART 2.4GHz Transparent Transmission Board 5Pcs JDY-27 BLE5.1 Master Slave Integrated BLE Module JDY27 JDY 27 UART 2.4GHz Transparent Transmission Board

5Pcs JDY-27 BLE5.1 Master Slave Integrated BLE Module JDY27 JDY 27 UART 2.4GHz Transparent Transmission Board

$69.00$69.00

HAILANGNIAO 5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin HAILANGNIAO 5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

HAILANGNIAO 5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

$14.87$14.87

2 sold
Jdy-34 Spp Master-slave Integrated Dual-mode Bluetooth Module High-speed Bluetooth Printer Bluetooth 10PCS Jdy-34 Spp Master-slave Integrated Dual-mode Bluetooth Module High-speed Bluetooth Printer Bluetooth 10PCS

Jdy-34 Spp Master-slave Integrated Dual-mode Bluetooth Module High-speed Bluetooth Printer Bluetooth 10PCS

$98.00$98.00

Serial Port Server Module RS485 to Ethernet Network TCP/IP Converter UDP TCP Client Server Modbus Master Slave Serial Port Server Module RS485 to Ethernet Network TCP/IP Converter UDP TCP Client Server Modbus Master Slave

Serial Port Server Module RS485 to Ethernet Network TCP/IP Converter UDP TCP Client Server Modbus Master Slave

$106.91$106.91

3 sold
5PCS High-Speed Half-Duplex Transceiver Auto Master-Slave Networking Module RS485 to TTL RS232 UART Converter for Arduiuo MEGA25 5PCS High-Speed Half-Duplex Transceiver Auto Master-Slave Networking Module RS485 to TTL RS232 UART Converter for Arduiuo MEGA25

5PCS High-Speed Half-Duplex Transceiver Auto Master-Slave Networking Module RS485 to TTL RS232 UART Converter for Arduiuo MEGA25

$63.86$63.86

3 sold
38% off
Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade

Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade

$12.72$20.51

14 sold
Keyestudio HC-05 HC-06 BC417 Chip Master-Slave RF Wireless Transceiver Bluetooth Module For Arduino DIY Electronic Projects Keyestudio HC-05 HC-06 BC417 Chip Master-Slave RF Wireless Transceiver Bluetooth Module For Arduino DIY Electronic Projects

Keyestudio HC-05 HC-06 BC417 Chip Master-Slave RF Wireless Transceiver Bluetooth Module For Arduino DIY Electronic Projects

$9.50$9.50

4 sold
HC-05 serial port Bluetooth module master-slave integrated serial port module Bluetooth to serial port

HC-05 serial port Bluetooth module master-slave integrated serial port module Bluetooth to serial port

$60.00$60.00

10% off
Free Ship 3pcs HC-05 Bluetooth-compatible Serial Port Module Group CSR Master-Slave Integrated 51 Single-Chip Module Free Ship 3pcs HC-05 Bluetooth-compatible Serial Port Module Group CSR Master-Slave Integrated 51 Single-Chip Module

Free Ship 3pcs HC-05 Bluetooth-compatible Serial Port Module Group CSR Master-Slave Integrated 51 Single-Chip Module

$15.26$16.96

DC 5-12V 433M 868M RS485 Lora 22DBM RF Wireless Transceiver Master-Slave Transmission for RS485 PLC PTZ Wireless Meter Reading DC 5-12V 433M 868M RS485 Lora 22DBM RF Wireless Transceiver Master-Slave Transmission for RS485 PLC PTZ Wireless Meter Reading

DC 5-12V 433M 868M RS485 Lora 22DBM RF Wireless Transceiver Master-Slave Transmission for RS485 PLC PTZ Wireless Meter Reading

$125.16$125.16

1 sold
BC-04 RS232 Bluetooth Serial Adapter Wireless Module Serial Communication Master-Slave Module RS232 Data Transmission Module 5V BC-04 RS232 Bluetooth Serial Adapter Wireless Module Serial Communication Master-Slave Module RS232 Data Transmission Module 5V

BC-04 RS232 Bluetooth Serial Adapter Wireless Module Serial Communication Master-Slave Module RS232 Data Transmission Module 5V

$56.60$56.60

11 sold
28% off
Keyestudio AT-09 HM-10 Master/Slave Board CC2541 Original Chip Bluetooth--Compatible BLE4.0 V2 Module for Arduino Keyestudio AT-09 HM-10 Master/Slave Board CC2541 Original Chip Bluetooth--Compatible BLE4.0 V2 Module for Arduino

Keyestudio AT-09 HM-10 Master/Slave Board CC2541 Original Chip Bluetooth--Compatible BLE4.0 V2 Module for Arduino

$7.78$10.80

10% off
Bluetooth-compatible Wireless Module Bee05 master-slave

Bluetooth-compatible Wireless Module Bee05 master-slave

$6.43$7.15

67% off
I2S ADC Audio I2S Capture Card Module Master Slave Mode Development Board Lossless Digital Audio I2S ADC Decoder I2S ADC Audio I2S Capture Card Module Master Slave Mode Development Board Lossless Digital Audio I2S ADC Decoder

I2S ADC Audio I2S Capture Card Module Master Slave Mode Development Board Lossless Digital Audio I2S ADC Decoder

$118.68$361.80

29% off
5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin 5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

$10.69$15.06

5% off
2pcs XM-15B /JX-15B Bluetooth Serial Port Module Master-slave In One Compatible With HC-05/06 Anti Reverse 3.3/5V 2pcs XM-15B /JX-15B Bluetooth Serial Port Module Master-slave In One Compatible With HC-05/06 Anti Reverse 3.3/5V

2pcs XM-15B /JX-15B Bluetooth Serial Port Module Master-slave In One Compatible With HC-05/06 Anti Reverse 3.3/5V

$9.97$10.50

3 sold
2PCS Bluetooth 4.0 transparent transmission module CC2541 BLE module supports UART/PWM control master-slave integration

2PCS Bluetooth 4.0 transparent transmission module CC2541 BLE module supports UART/PWM control master-slave integration

$60.20$60.20

38% off
Diymore I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K Diymore I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K

Diymore I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K

$9.29$14.99

4 sold
12% off
HC-42 BLE 5.0 Bluetooth module master-slave integrated nRF52832 wireless BLE5.0 transparent transmission serial port 2.4G HC42 HC-42 BLE 5.0 Bluetooth module master-slave integrated nRF52832 wireless BLE5.0 transparent transmission serial port 2.4G HC42

HC-42 BLE 5.0 Bluetooth module master-slave integrated nRF52832 wireless BLE5.0 transparent transmission serial port 2.4G HC42

$7.04$8.00

5pcs /Button Backpanel Bluetooth 5.0 JDY-24 Module BLE Bluetooth BLE master-slave transparent transmission 5pcs /Button Backpanel Bluetooth 5.0 JDY-24 Module BLE Bluetooth BLE master-slave transparent transmission

5pcs /Button Backpanel Bluetooth 5.0 JDY-24 Module BLE Bluetooth BLE master-slave transparent transmission

$98.00$98.00

10% off
5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Seri 5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Seri

5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Seri

$12.59$13.99

HC-05 master-slave integrated wireless Bluetooth module serial port transparent communication with clear key HC-05 master-slave integrated wireless Bluetooth module serial port transparent communication with clear key

HC-05 master-slave integrated wireless Bluetooth module serial port transparent communication with clear key

$64.00$64.00

Jdy-25m Bluetooth 5.0mesh Zigbee Module Ble Bluetooth Ble Master-slave Transparent Transmission Bluetooth Mesh 10PCS Jdy-25m Bluetooth 5.0mesh Zigbee Module Ble Bluetooth Ble Master-slave Transparent Transmission Bluetooth Mesh 10PCS

Jdy-25m Bluetooth 5.0mesh Zigbee Module Ble Bluetooth Ble Master-slave Transparent Transmission Bluetooth Mesh 10PCS

$120.00$120.00

25% off
Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade

Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade

$12.70$16.93

12 sold
DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC

DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC

$69.25$69.25

3 sold
8% off
Keyestudio AT-09 HM-10 Wireless Module Master-Slave CC2541 Bluetooth-Compatible 4.0 Module V3 For Arduino Supports Android & iOS Keyestudio AT-09 HM-10 Wireless Module Master-Slave CC2541 Bluetooth-Compatible 4.0 Module V3 For Arduino Supports Android & iOS

Keyestudio AT-09 HM-10 Wireless Module Master-Slave CC2541 Bluetooth-Compatible 4.0 Module V3 For Arduino Supports Android & iOS

$9.19 $9.99

1 sold

Categories: Electronic Components & Supplies, Active Components

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10% off
With Floor LC-05 Master And Slave Integrated Bluetooth-compatible Module Bluetooth-compatible Serial Port (H5B3)

With Floor LC-05 Master And Slave Integrated Bluetooth-compatible Module Bluetooth-compatible Serial Port (H5B3)

$11.74 $13.04

Categories: Electronic Components & Supplies, Active Components

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DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC

DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC

$69.68 $69.68

Categories: Electronic Components & Supplies, Active Components

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19% off
1-50Pcs Anti Reverse Connection Wireless Bluetooth Serial Port Transmission Module HC-05 Master-slave Integrated Expansion Board 1-50Pcs Anti Reverse Connection Wireless Bluetooth Serial Port Transmission Module HC-05 Master-slave Integrated Expansion Board

1-50Pcs Anti Reverse Connection Wireless Bluetooth Serial Port Transmission Module HC-05 Master-slave Integrated Expansion Board

$56.00 $69.14

Categories: Electronic Components & Supplies, Active Components

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10% off
LC-05 Bluetooth-compatible Serial Module Wireless Serial Module Wireless Transparent Module Master-Slave board(A1H4) LC-05 Bluetooth-compatible Serial Module Wireless Serial Module Wireless Transparent Module Master-Slave board(A1H4)

LC-05 Bluetooth-compatible Serial Module Wireless Serial Module Wireless Transparent Module Master-Slave board(A1H4)

$6.85 $7.61

Categories: Electronic Components & Supplies, Active Components

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29% off
5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

$9.85 $13.88

Categories: Electronic Components & Supplies, Active Components

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38% off
I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K

I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K

$9.90 $15.97

19 sold

Categories: Electronic Components & Supplies, Active Components

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USB to MBUS Master Slave Converter communication Module UART serial to MBUS host FOR Smart control energy heat water meter USB to MBUS Master Slave Converter communication Module UART serial to MBUS host FOR Smart control energy heat water meter

USB to MBUS Master Slave Converter communication Module UART serial to MBUS host FOR Smart control energy heat water meter

$12.54 $12.54

1 sold

Categories: Electronic Components & Supplies, Active Components

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Bluetooth Module 4.0 Ble Serial Port master-slave Integration iBeacon HM-10 Bluetooth Module 4.0 Ble Serial Port master-slave Integration iBeacon HM-10

Bluetooth Module 4.0 Ble Serial Port master-slave Integration iBeacon HM-10

$12.61 $12.61

Categories: Electronic Components & Supplies, Active Components

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24% off
CH9350 USB Master-Slave Module Mouse Keyboard Scanner Automatic Recognition of Serial Two-wire Connection

CH9350 USB Master-Slave Module Mouse Keyboard Scanner Automatic Recognition of Serial Two-wire Connection

$10.26 $13.50

Categories: Electronic Components & Supplies, Active Components

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37% off
MQTT Modbus RTU Module Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server Module MQTT Modbus RTU Module Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server Module

MQTT Modbus RTU Module Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server Module

$9.31 $14.77

12 sold

Categories: Electronic Components & Supplies, Active Components

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5Pcs JDY-27 BLE5.1 Master Slave Integrated BLE Module JDY27 JDY 27 UART 2.4GHz Transparent Transmission Board 5Pcs JDY-27 BLE5.1 Master Slave Integrated BLE Module JDY27 JDY 27 UART 2.4GHz Transparent Transmission Board

5Pcs JDY-27 BLE5.1 Master Slave Integrated BLE Module JDY27 JDY 27 UART 2.4GHz Transparent Transmission Board

$69.00 $69.00

Categories: Electronic Components & Supplies, Active Components

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HAILANGNIAO 5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin HAILANGNIAO 5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

HAILANGNIAO 5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

$14.87 $14.87

2 sold

Categories: Electronic Components & Supplies, Active Components

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Jdy-34 Spp Master-slave Integrated Dual-mode Bluetooth Module High-speed Bluetooth Printer Bluetooth 10PCS Jdy-34 Spp Master-slave Integrated Dual-mode Bluetooth Module High-speed Bluetooth Printer Bluetooth 10PCS

Jdy-34 Spp Master-slave Integrated Dual-mode Bluetooth Module High-speed Bluetooth Printer Bluetooth 10PCS

$98.00 $98.00

Categories: Electronic Components & Supplies, Active Components

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Serial Port Server Module RS485 to Ethernet Network TCP/IP Converter UDP TCP Client Server Modbus Master Slave Serial Port Server Module RS485 to Ethernet Network TCP/IP Converter UDP TCP Client Server Modbus Master Slave

Serial Port Server Module RS485 to Ethernet Network TCP/IP Converter UDP TCP Client Server Modbus Master Slave

$106.91 $106.91

3 sold

Categories: Electronic Components & Supplies, Active Components

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5PCS High-Speed Half-Duplex Transceiver Auto Master-Slave Networking Module RS485 to TTL RS232 UART Converter for Arduiuo MEGA25 5PCS High-Speed Half-Duplex Transceiver Auto Master-Slave Networking Module RS485 to TTL RS232 UART Converter for Arduiuo MEGA25

5PCS High-Speed Half-Duplex Transceiver Auto Master-Slave Networking Module RS485 to TTL RS232 UART Converter for Arduiuo MEGA25

$63.86 $63.86

3 sold

Categories: Electronic Components & Supplies, Active Components

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38% off
Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade

Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade

$12.72 $20.51

14 sold

Categories: Electronic Components & Supplies, Active Components

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Keyestudio HC-05 HC-06 BC417 Chip Master-Slave RF Wireless Transceiver Bluetooth Module For Arduino DIY Electronic Projects Keyestudio HC-05 HC-06 BC417 Chip Master-Slave RF Wireless Transceiver Bluetooth Module For Arduino DIY Electronic Projects

Keyestudio HC-05 HC-06 BC417 Chip Master-Slave RF Wireless Transceiver Bluetooth Module For Arduino DIY Electronic Projects

$9.50 $9.50

4 sold

Categories: Electronic Components & Supplies, Active Components

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HC-05 serial port Bluetooth module master-slave integrated serial port module Bluetooth to serial port

HC-05 serial port Bluetooth module master-slave integrated serial port module Bluetooth to serial port

$60.00 $60.00

Categories: Electronic Components & Supplies, Active Components

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10% off
Free Ship 3pcs HC-05 Bluetooth-compatible Serial Port Module Group CSR Master-Slave Integrated 51 Single-Chip Module Free Ship 3pcs HC-05 Bluetooth-compatible Serial Port Module Group CSR Master-Slave Integrated 51 Single-Chip Module

Free Ship 3pcs HC-05 Bluetooth-compatible Serial Port Module Group CSR Master-Slave Integrated 51 Single-Chip Module

$15.26 $16.96

Categories: Electronic Components & Supplies, Active Components

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DC 5-12V 433M 868M RS485 Lora 22DBM RF Wireless Transceiver Master-Slave Transmission for RS485 PLC PTZ Wireless Meter Reading DC 5-12V 433M 868M RS485 Lora 22DBM RF Wireless Transceiver Master-Slave Transmission for RS485 PLC PTZ Wireless Meter Reading

DC 5-12V 433M 868M RS485 Lora 22DBM RF Wireless Transceiver Master-Slave Transmission for RS485 PLC PTZ Wireless Meter Reading

$125.16 $125.16

1 sold

Categories: Electronic Components & Supplies, Active Components

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BC-04 RS232 Bluetooth Serial Adapter Wireless Module Serial Communication Master-Slave Module RS232 Data Transmission Module 5V BC-04 RS232 Bluetooth Serial Adapter Wireless Module Serial Communication Master-Slave Module RS232 Data Transmission Module 5V

BC-04 RS232 Bluetooth Serial Adapter Wireless Module Serial Communication Master-Slave Module RS232 Data Transmission Module 5V

$56.60 $56.60

11 sold

Categories: Electronic Components & Supplies, Active Components

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28% off
Keyestudio AT-09 HM-10 Master/Slave Board CC2541 Original Chip Bluetooth--Compatible BLE4.0 V2 Module for Arduino Keyestudio AT-09 HM-10 Master/Slave Board CC2541 Original Chip Bluetooth--Compatible BLE4.0 V2 Module for Arduino

Keyestudio AT-09 HM-10 Master/Slave Board CC2541 Original Chip Bluetooth--Compatible BLE4.0 V2 Module for Arduino

$7.78 $10.80

Categories: Electronic Components & Supplies, Active Components

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10% off
Bluetooth-compatible Wireless Module Bee05 master-slave

Bluetooth-compatible Wireless Module Bee05 master-slave

$6.43 $7.15

Categories: Electronic Components & Supplies, Active Components

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67% off
I2S ADC Audio I2S Capture Card Module Master Slave Mode Development Board Lossless Digital Audio I2S ADC Decoder I2S ADC Audio I2S Capture Card Module Master Slave Mode Development Board Lossless Digital Audio I2S ADC Decoder

I2S ADC Audio I2S Capture Card Module Master Slave Mode Development Board Lossless Digital Audio I2S ADC Decoder

$118.68 $361.80

Categories: Electronic Components & Supplies, Active Components

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29% off
5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin 5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

5pcs/LOT HC05 JY-MCU anti-reverse, integrated Bluetooth serial pass-through module, HC-05 master-slave 6pin

$10.69 $15.06

Categories: Electronic Components & Supplies, Active Components

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5% off
2pcs XM-15B /JX-15B Bluetooth Serial Port Module Master-slave In One Compatible With HC-05/06 Anti Reverse 3.3/5V 2pcs XM-15B /JX-15B Bluetooth Serial Port Module Master-slave In One Compatible With HC-05/06 Anti Reverse 3.3/5V

2pcs XM-15B /JX-15B Bluetooth Serial Port Module Master-slave In One Compatible With HC-05/06 Anti Reverse 3.3/5V

$9.97 $10.50

3 sold

Categories: Electronic Components & Supplies, Active Components

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2PCS Bluetooth 4.0 transparent transmission module CC2541 BLE module supports UART/PWM control master-slave integration

2PCS Bluetooth 4.0 transparent transmission module CC2541 BLE module supports UART/PWM control master-slave integration

$60.20 $60.20

Categories: Electronic Components & Supplies, Active Components

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38% off
Diymore I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K Diymore I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K

Diymore I2S ADC Audio I2S Capture Card Module Master-Slave Mode Development Board 24BIT 192K 96K 48K

$9.29 $14.99

4 sold

Categories: Electronic Components & Supplies, Active Components

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12% off
HC-42 BLE 5.0 Bluetooth module master-slave integrated nRF52832 wireless BLE5.0 transparent transmission serial port 2.4G HC42 HC-42 BLE 5.0 Bluetooth module master-slave integrated nRF52832 wireless BLE5.0 transparent transmission serial port 2.4G HC42

HC-42 BLE 5.0 Bluetooth module master-slave integrated nRF52832 wireless BLE5.0 transparent transmission serial port 2.4G HC42

$7.04 $8.00

Categories: Electronic Components & Supplies, Active Components

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5pcs /Button Backpanel Bluetooth 5.0 JDY-24 Module BLE Bluetooth BLE master-slave transparent transmission 5pcs /Button Backpanel Bluetooth 5.0 JDY-24 Module BLE Bluetooth BLE master-slave transparent transmission

5pcs /Button Backpanel Bluetooth 5.0 JDY-24 Module BLE Bluetooth BLE master-slave transparent transmission

$98.00 $98.00

Categories: Electronic Components & Supplies, Active Components

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10% off
5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Seri 5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Seri

5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Seri

$12.59 $13.99

Categories: Electronic Components & Supplies, Active Components

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HC-05 master-slave integrated wireless Bluetooth module serial port transparent communication with clear key HC-05 master-slave integrated wireless Bluetooth module serial port transparent communication with clear key

HC-05 master-slave integrated wireless Bluetooth module serial port transparent communication with clear key

$64.00 $64.00

Categories: Electronic Components & Supplies, Active Components

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Jdy-25m Bluetooth 5.0mesh Zigbee Module Ble Bluetooth Ble Master-slave Transparent Transmission Bluetooth Mesh 10PCS Jdy-25m Bluetooth 5.0mesh Zigbee Module Ble Bluetooth Ble Master-slave Transparent Transmission Bluetooth Mesh 10PCS

Jdy-25m Bluetooth 5.0mesh Zigbee Module Ble Bluetooth Ble Master-slave Transparent Transmission Bluetooth Mesh 10PCS

$120.00 $120.00

Categories: Electronic Components & Supplies, Active Components

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25% off
Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade

Three Master One Slave RS485 Data Interface Conversion Processor Modbus-RTU Communication Module ESD Protection Industrial Grade

$12.70 $16.93

12 sold

Categories: Electronic Components & Supplies, Active Components

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DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC

DC 12V 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC

$69.25 $69.25

3 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now