Built-in CC2541 Bluetooth 4.0 BLE module, supports iOS devices and Android 4.3 devices or later | 1 channel 12V relay. Operating voltage is DC 12V. | Free APP for Android , please search "DSD TECH Bluetooth" in google play. | Free APP for iOS devices(iPhone), please search "DSD TECH Bluetooth" in the APP Store. | DSD TECH provides a one-year warranty on this Bluetooth Relay. If you have any questions, Please feel free to contact us.

Bluetooth module HC-05 Master and slave Two in one module. Please note: iOS devices (iPhone) are not supported | Use the CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards | Module working voltage 3.6 V to 6V | Default rate of 9600,default pin:1234, the user can be set up.click the button into AT MODE | Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified

Support 4 kinds of TTL levels:This is a versatile USB to TTL converter. It is powerful enough to handle almost all TTL level communications. It is compatible with 5V, 3.3V, 2.5V, 1.8V TTL levels. | FTDI FT232RL Chip:Built-in original FTDI FT232RL Chip.The DSD TECH brand never uses cheap fake chips. | Not only provides access to UART Transmit (Tx), Receive (Rx), RTS#, CTS#, VCC and GND pins,but also provides access to DSR,R1,DCD,DTR,RESET pins | Protective case: Come with a protective case, this transparent protective case can effectively prevent static interference from the hand and prevent accidental short circuit. | WARRANTY:DSD TECH back this FTDI FT232RL USB to TTL UART adapter with 12 months warranty.If you meet any question, please contact us, we will fix your issue within 24 hours.

USB 2.0 to RS485 Converter and all kinds of 485 interface docking, transmission distance up to 1000 meters. | Mainchip:CP2102(SILICON LABS) ,Industrial chip, high quality, super stable. The Lead PINS include: A +, B-, GND ,GND,5V0 | Industrial Product, With 15KV ESD protection and TVS overvoltage protection | Supports Windows 2000, XP, Vista, Window 7,8,10, Mac OS 9, Mac OS X & Linux. | WARRANTY:DSD TECH back this usb to rs485 adapter with 12 months warranty.If you meet any question, please contact us, we will fix your issue within 24 hours.

Industrial grade USB to RS485 RS422 converter. It easily lets you connect any RS485 or RS422 device directly to your computer's USB port | The main chip is FTDI FT232RL. Built-in 15KV ESD protection and TVS overvoltage protection. Enough for you to deal with different occasions. | LED for RX TX and Power. | Works with Windows 10, 7(32/64bit) Vista 2008, XP, 2003,Mac Etc. | WARRANTY:We back this usb to RS422/RS485 Converter with 12 months warranty.If you meet any question, Please contact us, We will fix your issue within 24 hours.

With this USB to TTL adapter, you can establish communication with your board/MCU through your computer. Maximum transmission speed up to 3Mbps | The main chip is FT232RL from FTDI ,High stability. LED indicator for TX,RX,Power,It is very useful when you are debugging or downloading. | Pin Definition: CTS,RTS,RXD,TXD,GND,VCC;Support VCC output 3.3V and 5V, switch by jumper. | Works with Windows 10, 7(32/64bit) Vista 2008, XP, 2003,Mac Etc. | WARRANTY:We back this FDTD USB to TTL Converter with 12 months warranty.If you meet any question, Please contact us, We will fix your issue within 24 hours.

Built-in TI CC2541 Bluetooth 4.0 BLE module, supports iPhone devices and Android Phone. | 2-channel 12V relay switch, A protective case is included to prevent dust and static electricity. | Free APP for Android Phone, please search "DSD TECH Bluetooth" in the Google Play. | Free APP for iOS devices(iPhone), please search "DSD TECH Bluetooth" in the Appstore. | DSD TECH provides a one-year warranty on this Bluetooth Relay. If you have any questions, please feel free to contact us.

Built-in CC2541 Bluetooth 4.0 BLE module, supports iOS devices and Android 4.3 devices or later | 2 Channel relay. Supports 5V and 12V operating voltages. | Free APP for Android , please search "DSD TECH Bluetooth" in google play. | Free APP for iOS devices(iPhone), please search "DSD TECH Bluetooth" in the APPStore. | DSD TECH provides a one-year warranty on this Bluetooth Relay. If you have any questions, please feel free to contact us.

0.91 INCH OLED Display: Resolution is 128*32,Very Clear,Black background with blue text display. | IIC(I2C) interface: Only 4 PIN( VCC, GND, SCL, SDA), Simpler than SPI interface Screen, you can leave more ports for connecting other sensors. | Sample Code and Technical Support: You can drive this display through the u8glib library. DSD TECH also provides complete sample code and instruction manuals. you can drive this OLED screen in half an hour, | The main chip is SSD1306; supports DC 3.3V to 5.0V supply. Working Temperature: -30 degrees ~ 70 degrees | About Warranty: DSD TECH offers 1 year warranty and lifetime technical support.If you meet any question, Please contact us, we will fix your issue within 24 hours.

Designed to be used for USB to TTL electronic projects, easy to connect to your MCU or Raspberry Pi. Status LED for TX,RX,USB | Built-in Silicon Labs CP2102 USB to TTL Serial Transfer Chip ,Industrial chip, high quality, super stable. | Standard USB power supply, the lead pin includes: 3.3V, GND, TXD, RXD, 5V, GND. With this adapter, you can power 3.3V and 5V microcontrollers. Very flexible. | Supports Windows 2000, XP, Vista, Window 7,8,10, Mac OS 9, Mac OS X & Linux. | WARRANTY:DSD TECH back this usb to ttl serial cable adapter with 12 months warranty.If you meet any question, please contact us, we will fix your issue within 24 hours.

With this Bluetooth 4.0 LE Module, you can add Bluetooth features Compatible with arduino and support iOS devices(such as iphone or ipad) | Only Support Slave mode. Compatible with iOS Device(iphone4s or later) and android phones 4.3 or later.We recommend test app is LightBlue for iOS7.0 or later,"DSD TECH Bluetooth" app for Android phone. | TI CC2541 CHIP: Main chip is cc2541F256 manufactured by TI. High quality, high stability.The transmission distance is more than 10 meters. | Default rate : 9600, Working voltage 3.3V to 6V. and You can modify the baud rate and the Bluetooth name via the at command | DSD TECH brand: DSD TECH provide 12-month Warranty and Lifetime Technical Support.If you meet any question, please contact us, we will fix your issue within 24 hours.

HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your DIY project, and then you can use your android phone to control some gadgets, such as: switch, LED. | Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234 | Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode. | 6 PIN Dupont Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module. | Why choose DSD TECH brand: you not only get high-quality products, you can also get technical support and ONE YEAR WARRANTY. You can ask any questions about this HC05 module, our technical team is waiting for you.

Low Energy: With HM-10 bluetooth 4.0 module, you can add Bluetooth features to your project and support iphone4s or later. | DSD TECH Brand 4pin Base Board: Through this base board, leads to VCC, GND, TX, RX. You can be very convenient to connect to your arduino project | Led status indication: when the connection is established will always light, disconnection is flash | iBeacon Support:You can make this module into ibeacon mode.So you can have your own ibeacon.it also Supports Apple Notification Center Service (ANCS) | working voltage 3.6 V to 6V,Default rate of 9600. DSD TECH back this Bluetooth 4.0 BLE module with ONE Year WARRANTY. If you meet any question, please contact us, we will fix your issue within 24 hours.

DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan | Bluetooth 5.3 BLE Module: The chipset is CC2340 from TI,Compared to the Bluetooth 4.0 module, this Bluetooth 5.3 BLE module has a faster transfer rate and a larger MTU. | Compatible with HM-10: if you are using HM-10 now, you can quickly upgrade your board to Bluetooth 5.3 BLE. | Free Software: DSD TECH offers a free app that you can get this module into work in 5 minutes. Please search "DSD TECH Bluetooth" in Google Play App store. | Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this Bluetooth 5.3 BLE Module. All questions will be answered within 1 working day.

Bluetooth Smart Proximity Beacon With Eddystone, iBeacon Technology. | Requires No Host Computer, Powered By Any Available USB Power Source. | Built-in CP2104 USB to TTL module, You can control this dongle via the AT command. | Fully Configurable, including UUID, Major, Minor . support URL string For Eddystone | WARRANTY:DSD TECH back this usb Eddystone/ibeacon dongle with 12 months warranty.If you meet any question, please contact us, we will fix your issue within 24 hours.

Bluetooth RS232 Adapter : With this Bluetooth RS232 adapter, you can wirelessly communicate with any RS232 devices on Android smartphones or a Bluetooth enabled computer. | Built-in Industrial Bluetooth 2.0 SPP module driven by the CSR BC417 chip. Compatible with Android phones and Bluetooth enabled computers, but not compatible with any iOS device. | RS232 DB9 Interface: Please note that only Rx and Tx signals are valid. Does not support CTS, RTS hardware flow control. | Bluetooth pairing PIN: 1234, Baud rate parameters: 9600, N, 8, 1. Transmission distance of more than 20 meters.Baud rate and Bluetooth name and PIN can be configured by software. DSD TECH provides setup software for free. | About WARRANTY: DSD TECH offers a one-year warranty and lifetime technical support. If you meet any question, please contact us, we will fix your issue within 24 hours.

DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan | Bluetooth 5.0 BLE to RS232:With this Bluetooth 5.0 BLE to RS232 adapter, you can wirelessly connect your handheld device (iPhone/Android Phone) to devices that support RS232 communication. | Compatibility:The SH-B30-BLE has a built-in TI CC2640R2F Bluetooth 5.0 BLE module, which is compatible with iPhone/iPad, while the SH-B30 and SH-B35 have a built-in Bluetooth 2.0 SPP module, which does not support iOS devices. | Free Software: DSD TECH provides free configuration software to help you quickly configure communication parameters such as baud rate or Bluetooth name. | Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this Bluetooth 5.0 BLE to RS232 adapter. All questions will be answered within 1 working day.

DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan. | Bluetooth 2.0 to RS485/RS232: With this Bluetooth RS485 adapter, you can wirelessly communicate with RS485/RS232 devices on Android devices or a Bluetooth enabled Computer. | Compatibility:Built-in Industrial Bluetooth 2.0 SPP module driven by the CSR BC417 chip. Compatible with Android phones and Bluetooth enabled computers, but not compatible with any iOS device. | Working mode: Supports master mode and slave mode. Two SH-B35 adapters can form a Bluetooth connection network. | Warranty: DSD TECH provide a 1 year warranty and lifetime technical support for this Bluetooth to RS485 RS232 Adapter. If you have any questions, please feel free to contact us. We will respond within 24 hours.

DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan. | WIFI to RS485/RS232: With this WIFI to RS485/RS232 adapter, you can quickly establish a connection with your RS485/RS232 devices via WIFI network. | Compatibility: Built-in Industrial WIFI module.Support TCP,HTTP Client,MQTT and other communication protocols. | Working mode:Configuration is done via AT command. Supports master mode and slave mode. Two SH-B35W adapters can form a wireless connection network. | Warranty: DSD TECH provide a 1 year warranty and lifetime technical support for this Bluetooth to RS485 RS232 Adapter. If you have any questions, please feel free to contact us. We will respond within 24 hours.

DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan. | Isolated USB to CAN: SH-C30G is the isolated upgrade version of SH-C30A. It has built-in isolated power supply and signal isolation chip . It can effectively protect your computer and reduce the interference of electrical noise to the signal, especially for industrial applications. | Open Source Hardware Plan: SH-C30G is derived from the open source hardware project Canable. As a good quality hardware manufacturer, DSD TECH hopes to make some contributions to the development of open source hardware. All documentation of this product (schematics, BOM lists, Gerb files) is publicly available on the DSD TECH website. | Interfaces: CAN-H, CAN-L, Gound pins and built-in 120 ohm switch and programming switch. | Customer Support:Offering permanent technical support and a 1-year product replacement service.All questions will be answered for you within 1 business day

DSD TECH: DSD TECH focuses on the development of serial devices such as TTL/RS232/RS485. We have served more than 100,000 customers in total. | Lead PIN: 3.3V ,5V,TXD,RXD,DSR,DTR,RTS,CTS. This adapter supports output voltages of 3.3V and 5V. But the logic level is 3.3V | Protective case: Come with a protective case, this transparent protective case can effectively prevent static interference from the hand and prevent accidental short circuit. | Compatibility: Works with Windows 10,8,7. | What you get: 2 PCS USB to TTL Serial Adapter ,1 PCS 6 PIN DuPont cable, 12-month free Warranty, friendly Customer Service (24-hours prompt Reply).

Low cost: This is a low-cost USB to RS485, RS422 adapter for people who are new to RS485 and RS422. Its price is only about half of other products. | USB to RS422,RS485: Through this adapter, you can establish a connection with your RS485 and RS422 networks. | WCH CH340 series chips: The maximum baud rate is 2Mbps.There are TX and RX indicator on the adapter. | Compatibility: Works with Windows 10,8,7. Driver CD is included in the packing list. | Customer Support :Offering permanent technical support and a 1-year product replacement service. All questions will be answered for you within 1 business day

DSD TECH: DSD TECH focuses on the development of serial devices such as TTL/RS232/RS485. We have served more than 100,000 customers in total. | USB TYPE C TO TTL SERIAL ADAPTER: Interface with TTL Serial equipment using this USB Type-C Serial adapter. Suitable for some laptops with only USB Type-C interface. The pin interfaces are: VCC (5V), GND, TX, RX, CTS, RTS. It can meet most of the usage scenarios. | Silicon Labs CP2102N:CP2102N is an upgraded version of CP2102 chip, the maximum transmission speed can reach 3Mbps, which is equivalent to FT232RL. | Compatibility: This USB-C to TTL adapter is compatible with Windows 7, 8, 10 and various Linux OS and Mac OS | Customer Support:Offering permanent technical support and a 1-year product replacement service. All questions will be answered for you within 1 business day

DSD TECH: DSD TECH focuses on the development of serial devices such as TTL/RS232/RS485. We have served more than 100,000 customers in total. | Silicon Labs CP2102N:CP2102N is an upgraded version of CP2102 chip, the maximum transmission speed can reach 3Mbps, which is equivalent to FT232RL. | 1.2M/4 Feet:The length of this USB to TTL serial cable is 1.2M/4 Feet. The pin interfaces are: VCC (5V), GND, TX, RX, CTS, RTS. It can meet most of the usage scenarios. | Compatibility: This USB to TTL cable is compatible with Windows 7, 8, 10 and various Linux OS and Mac OS | Warranty:DSD TECH provide a 1 year warranty and lifetime technical support for this USB to TTL Serial Cable.if you have any questions, please feel free to contact us. We will respond within 24 hours.

FTDI FT232RL IC:Built-in original FTDI FT232RL IC. Supports 5V, 3.3V and 1.8V Logic TTL levels,You can switch Logic levels by jumper. | Protective case: Come with a transparent protective casing, this transparent protective casing to effectively prevent static interference from the hand and prevent unintentional short circuit. | Application:Support EEPROM, Vendor ID re-write, unbrick routers ,program ESP8266 module, interface to GPS modules, flash firmware on hard drive, update transmitter, interface to set top box and other compatible UART interface devices | Compatibility: This USB to TTL adapter is compatible with Windows 7, 8, 10 and various Linux OS and Mac OS | WARRANTY:DSD TECH back this FTDI FT232RL USB to TTL UART adapter with 12 months warranty.If you meet any question, please contact us, we will fix your issue within 24 hours.

Industrial-grade USB isolation module: ADI's iCoupler signal isolation technology is used to fully protect the computer's USB port from external short-circuit, shock and other damage. | The main chip is FT232RL from FTDI ,High stability. LED indicator for TX,RX,Power,It is very useful when you are debugging or downloading. | Protective case: We have installed a protective case for this isolated USB to TTL Converter, which prevents your hands from directly touching the PCB and IC. | Both 3.3V and 5V Logic TTL are supported. You can switch by jumper. | Customer Support:Offering permanent technical support and a 1-year product replacement service.All questions will be answered for you within 1 business day

Built-in original FTDI FT232RL USB UART chip. Works with Windows 10, 7 (32/64bit) Vista 2008, XP, 2003, Mac OS Etc. | Support 3.3V and 5V TTL Level, you can switch according to your needs, very convenient. | Come with a transparent protective casing, this transparent protective casing to effectively prevent static interference from the hand and prevent unintentional short circuit. | Application:Support EEPROM, Vendor ID re-write, unbrick routers ,program ESP8266 module, interface to GPS modules, flash firmware on hard drive, update transmitter, interface to set top box and more | WARRANTY:DSD TECH back this FTDI FT232RL USB to TTL adapter with 12 months warranty.If you meet any question, please contact us, we will fix your issue within 24 hours.

FTDI FT232RL Chip:Built-in original FTDI FT232RL Chip,High quality and high reliability.Ideal for programmers, hardware engineers and DIY User. | 1.8M/5.9 Feet: The length of the line is 1.8 meters(5.9 feet).ideal USB 2.0 debug tools for Vendor ID re-write, router, GPS, set top box, transmitter, flash firmware,Debugging,Programing , etc. | PIN:this cable provides access to UART (transmit) Tx, (receive) Rx, VCC (5V) and GND,CTS,RTS.TTL Level is 3.3V | Compatibility: This USB-to-TTL Serial cable is compatible with Windows 7, 8, 10 and various Linux OS and Mac OS | WARRANTY:DSD TECH back this FTDI FT232RL USB to TTL Serial cable with 12 months warranty.If you meet any question, please contact us, we will fix your issue within 24 hours.

Industrial-grade :The built-in isolated power supply and ADI signal isolation chip can effectively protect computer damage caused by accidental short circuit, electric shock and other damage. | USB to RS485/RS422:Support RS-422 (RxD+, RxD-, TxD+, TxD-, GND) and RS-485(A+, B-, GND) Interface. | High stability: Built-in original FTDI FT232RL chip,Maximum speed up to 3Mbps | Compatibility: Works with Windows 10, 7(32/64bit) , XP, 2003,Liunx,Mac OS Etc. | Customer Support:Offering permanent technical support and a 1-year product replacement service. All questions will be answered for you within 1 business day

USB to RS485/RS422:The SH-U11L is a USB powered USB to RS485/RS422 converter,which makes a half-duplex RS485 or a full-duplex RS422 available to a PC via the USB port. | Interfac: 5 PIN Terminal Block ,Support RS-422 (RxD+, RxD-, TxD+, TxD-, GND) and RS-485(A+, B-, GND) Interface. | High stability: Built-in original FTDI FT232RL chip,Maximum speed up to 3Mbps | Compatibility: Works with Windows 10(64/32bit), 7(32/64bit) ,Liunx,Mac OS Etc. | Customer Support:Offering permanent technical support and a 1-year product replacement service.All questions will be answered for you within 1 business day

USB Relay Controller:With this USB Relay controller, you can control the switch on your PC or laptop. | Silicon Labs CP2102N Serial Chip:You need to install the driver the first time you use it, and a virtual serial port will appear on your computer. You can send commands to the serial port to switch operations. | OMRON G5V-1 Relay: Rated load(0.5A at 125 VAC;1A at 24 VDC ) ;Max. switching voltage (125 VAC, 60 VDC) | Compatibility: This USB Relay Board is compatible with Windows 7, 8, 10 and various Linux OS and Mac OS. | Warranty:DSD TECH provide a 1 year warranty and lifetime technical support for this USB Relay Controller.if you have any questions, please feel free to contact us. We will respond within 24 hours.

This is a USB serial RS232 cable, terminated with a 3.5mm audio jack connector which provides access to the TX, RX and GND signals. | FTDI FT232RL Chipset: Built-in industrial grade FTDI FT232RL chip, high stability, enough to handle a variety of complex situations. | Cable pinout: TIP-RXD, RING-TXD, SLEEVE-GND. Cable length: 6FT | OS Compatibility: This USB serial rs232 to 3.5mm AJ cable support the operating systems of Win10(32bit or 64bit), Win 7, XP, 2000, Linux, Win CE. | DSD TECH offers a 24-month warranty on this USB RS232 to 3.5 mm Cable. If you have any questions, please contact us and we will resolve your issue within 24 hours.