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125Khz EM4100 ID Reader RFID Reader Module UART Output Access Control System for Arduino 125Khz EM4100 ID Reader RFID Reader Module UART Output Access Control System for Arduino I. Description: 1. Working voltage:3.0V-5.0V ; <25mA 2. Working frequency:125KHz 3. Support card:EM4001/EM4012 4. Read distance:<7cm 5. Output type:TTL 6. Read speed:<100ms 7. Size:2*1.2cm   ... $2.23
$2.79
SKU: 8295
$2.23
$2.79

DC 5V Bluetooth Audio Module Bluetooth Receiver Universal Audio Bluetooth Module DC 5V Bluetooth Audio Module Bluetooth Receiver Universal Audio Bluetooth Module This module has a slight change since Aug 6th., 2019. The functions are still the same. We hve updated the products picture. Those already appeared in the below videos can not be changed. Thank you for your attention! Description: ... $2.39
$2.99
SKU: 12506
$2.39
$2.99

USB to ESP8266 WIFI Module Pinboard Cellphone Computer Wireless Communication Adapter Wifi Board Module USB to ESP8266 WIFI Module Pinboard Cellphone Computer Wireless Communication Adapter Wifi Board Module USB to WIFI Module ESP8266 Pinboard Cellphone/PC Wireless SCM WIFI Development Applications: ESP8266 connect PC through serial port Features: 1.Adopt CH340 to serial port chip,stable performance,good compatibility,support Wind... $2.39
$2.99
SKU: 8857
$2.39
$2.99

433MHz DC 3.3V-5.5V Wireless Learning Control Module Self-locking Inching Interlocking Superheterodyne Receiver 433MHz DC 3.3V-5.5V Wireless Learning Control Module Self-locking Inching Interlocking Superheterodyne Receiver Parameter:   1>.Supply voltage: 3.3V-5.5V   2>.Standby current: about 12mA   3>.Output channel: 3CH   4>.Output current: 10mA(Max)   5>.Output voltage: Output high level is same... $2.55
$3.19
SKU: 13831
$2.55
$3.19

ESP8266 ESP-01 Remote Serial Port WIFI Transceiver Wireless Module AP+STA Wifi Board for IOT Smart Home ESP8266 ESP-01 Remote Serial Port WIFI Transceiver Wireless Module AP+STA Wifi Board for IOT Smart Home Description: The advantage of modules: 1.Low price 2.The smallest by 11 * 10 mm or so,Embedded in any convenient products 3.Powerful internal run LWIP protocol ... $2.55
$3.19
SKU: 4928
$2.55
$3.19

433MHz 4 Channel Wireless Receiver Board Module Inching Interlock Self Locking Modes 4.5-5.5V 433MHz 4 Channel Wireless Receiver Board Module Inching Interlock Self Locking Modes 4.5-5.5V Product Introduction: 1.Operating Voltage:4.5-5.5V (input port) VCC:connects with power positive;GND:connects with  power negative. 2.Output Way:the module power on defaults output low level;after pressing the remote control, ... $2.79
$3.49
SKU: 11967
$2.79
$3.49

RFID Wireless Module 125KHz ID Card Reader Wiegand-26Bit Contactless Controller w/Antenna RFID Wireless Module 125KHz ID Card Reader Wiegand-26Bit Contactless Controller w/Antenna Parameters: 1>.Input voltage: DC 3V-5V 2>.Work current: 25mA 3>.Working frequency: 125KHz 4>.Suitable type:EM4001/4102 or compatible card 6>.Read distance:<7cm 7>.Working Temperature range:-20... $2.87
$3.59
SKU: 13584
$2.87
$3.59

433MHz Wireless Remote Control Switch Module Transceiver Receiver Transmitter DC 2.5V-5.0V 433MHz Wireless Remote Control Switch Module Transceiver Receiver Transmitter DC 2.5V-5.0V 1.Description:     The module uses the latest 433MHz wireless transmission technology. Stable and reliable performance, long communication distance and strong anti-interference ability. It is suitable for the development an... $3.11
$3.89
SKU: 13351
$3.11
$3.89

2.4GHz 400m GWB+T400 Wireless Transceiver Module Receiver Transmitter Module 2.4GHz 400m GWB+T400 Wireless Transceiver Module Receiver Transmitter Module 1.Description: With the latest 2.4G wireless transmission technology, stable and reliable performance, long communication distance and strong anti-interference ability, it is suitable for the development and application of toys, model ... $3.19
$3.99
SKU: 13350
$3.19
$3.99

2.4GHz 40mA 12dBm UART Wireless Bluetooth Transmission Transceiver Module DC 4.5V-7V 110m for Smart Controller 2.4GHz 40mA 12dBm UART Wireless Bluetooth Transmission Transceiver Module DC 4.5V-7V 110m for Smart Controller Description:     BK01 adopts the latest 2.4G SOC technology, free of development, 110 meters line of sight, no need to switch between transceiver and transceiver, transparent transmission of serial port, providing communica... $3.51
$4.39
SKU: 13826
$3.51
$4.39

RFID Wireless Module 125KHz T5577 Card Reader Writer UART Contactless Controller w/Antenna RFID Wireless Module 125KHz T5577 Card Reader Writer UART Contactless Controller w/Antenna Description:     When working, the RF-T5577RW read/write module reads the data of the T5577 card and writes the data to the T5577 card according to the command sent by the MCU serial port. The card reader module can be read... $3.75
$4.69
SKU: 13587
$3.75
$4.69

DX-BT16 Wireless Bluetooth RF Transceiver Module 4dBm BLE4.2 UART 2.4GHz Low Power Consumption w/ Control Board DX-BT16 Wireless Bluetooth RF Transceiver Module 4dBm BLE4.2 UART 2.4GHz Low Power Consumption w/ Control Board Common Pin:   1>.Pin-1:GND   2>.Pin-5:MODULE_SELECT.Normal operation: input low level; Low power mode: input high level   3>.Pin-6:STATUS_IND.Bluetooth connection status indication: high level means Bl... $3.83
$4.79
SKU: 13915
$3.83
$4.79

433MHz 4-Channel Wireless Receiver Module with 4-Key Remote Control 4.5-5.5V 3mA 15-50m 433MHz 4-Channel Wireless Receiver Module with 4-Key Remote Control 4.5-5.5V 3mA 15-50m Product Introduction: 1.Operating Voltage:4.5-5.5V (input port) VCC:connects with power positive;GND:connects with power negative 2.Output Way:the module power on defaults output low level;after pressing the remote control,it will ... $3.99
$4.99
SKU: 11965
$3.99
$4.99

BT-201 3W MP3 Bluetooth Digital Power Amplifier Module SPP Pass-Through MCU Transmission Module Support FM TF Card/U-Disk BT-201 3W MP3 Bluetooth Digital Power Amplifier Module SPP Pass-Through MCU Transmission Module Support FM TF Card/U-Disk 1.Description:   BT-201 is a Mono MP3 Bluetooth Digital Power Amplifier Module. It support Bluetooth/U-disk/TF card audio input. Built-in 3W amplifier function, so user can connect speakers directly. Support select music and adj... $3.99
$4.99
SKU: 14594
$3.99
$4.99

DX-BT16 GFSK Wireless Bluetooth RF Transceiver Module 4dBm BLE4.2 UART DC 3.0V-3.6V 2.4GHz ISM Low Power Consumption DX-BT16 GFSK Wireless Bluetooth RF Transceiver Module 4dBm BLE4.2 UART DC 3.0V-3.6V 2.4GHz ISM Low Power Consumption Common Pin:   1>.Pin-1:GND   2>.Pin-5:MODULE_SELECT.Normal operation: input low level; Low power mode: input high level   3>.Pin-6:STATUS_IND.Bluetooth connection status indication: high level means Bl... $3.99
$4.99
SKU: 13916
$3.99
$4.99

DX-BT18 Wireless Bluetooth RF Transceiver Module BLE4.2 UART 2.4GHz w/ Control Board DX-BT18 Wireless Bluetooth RF Transceiver Module BLE4.2 UART 2.4GHz w/ Control Board Common Pin:   1>.UART_TX:UART data output   2>.UART_RX:UART data input   3>.VCC:Input power supply   4>.GND:Input power supply   5>.GPIO26:Disconnect pin (200ms, low power pulse... $3.99
$4.99
SKU: 13917
$3.99
$4.99

DX-BT04-A Wireless Bluetooth RF Transceiver Module BLE2.0 UART 4dBm DC 3V-3.6V 2.4GHz DX-BT04-A Wireless Bluetooth RF Transceiver Module BLE2.0 UART 4dBm DC 3V-3.6V 2.4GHz Common Pin:   1>.Pin-1:UART_TXD.UART data output   2>.Pin-2:UART_RXD.UART data input   3>.Pin-11:RESETB.Reset/restart button   4>.Pin-12:3.3V   5>.Pin-13:GND   6>.Pi... $4.15
$5.19
SKU: 13920
$4.15
$5.19

XH-A151 DC 5V PAM8403 Bluetooth Dual Channel Audio Stereo Digital Amplifier Module 3W+3W Wireless Bluetooth Receiver XH-A151 DC 5V PAM8403 Bluetooth Dual Channel Audio Stereo Digital Amplifier Module 3W+3W Wireless Bluetooth Receiver 1.Description:     XH-A151 is a Bluetooth Dual Channel Audio Stereo Digital Amplifier Module. It has a built-in amplifier module that can be connected directly to the speaker. It integrates voice file decoding and power amp... $4.15
$5.19
SKU: 14349
$4.15
$5.19

XH-A233 DC 12V-24V Wireless Bluetooth Receiver Power Amplifier Board V4.2 Dual Channel Voice Audio Module 15W+15W Support TF Card XH-A233 DC 12V-24V Wireless Bluetooth Receiver Power Amplifier Board V4.2 Dual Channel Voice Audio Module 15W+15W Support TF Card Description:   XH-A233 TF card/Bluetooth power amplifier board.Its input voltage is DC12~24V.Support TF card and Bluetooth audio input methods.The default is TF card input if connect TF card and bluetooth at the same time. The b... $4.31
$5.39
SKU: 13898
$4.31
$5.39

XH-A251 Digital Power Amplifier Wireless Bluetooth Module V4.2 Lossless Audio Receiver Micro USB Decoder Board 5W+5W XH-A251 Digital Power Amplifier Wireless Bluetooth Module V4.2 Lossless Audio Receiver Micro USB Decoder Board 5W+5W Description:   XH-251 Bluetooth power amplifier.Powered by Micro USB.It supports 4.1 Bluetooth.The effective distance of Bluetooth is 15-20meter.There are two buttons can adjust volume and select prev/next music.   ... $4.31
$5.39
SKU: 13896
$4.31
$5.39


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