Waveshare

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US$24.07
USB TO RS232/485/422/TTL is an industrial-grade isolated converter that adopts the original FT232RNL, built-in protection circuits including power isolation, ADI magnetical isolation and TVS, and with aluminum alloy shell design. 
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US$26.16
The USB TO 4CH RS485 is an industrial-grade USB to 485 non-isolated converter. It incorporates the CH344L and SP485EEN original chips, providing enhanced stability and compatibility.
 
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US$34.99
Supports Raspbian / Ubuntu MATE / Kali / Retropie, driver provided. Supports FBCP software driver, allows setting software resolution and dual-display. Supports all versions of Raspberry Pi computers.
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US$22.70
This is an industrial-grade integrated 802.11b/g/n module, which can realize TTL serial port, WiFi, and Ethernet port bi-directional transparent transmission. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, UART to HTTPD Client, etc. Traditional serial port devices or MCU control devices can quickly access the WiFi wireless network by using this WiFi module. It is small in size, easy to install, and suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...
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US$49.82
This is an RS232/485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, serial port to HTTPD Client, etc. With RS232, RS485, WIFI and Ethernet interfaces, the module can realize functions such as serial port to WIFI, serial port to Ethernet, Ethernet to WIFI and so on. Onboard multiple power supply interfaces, supports 6~36V wide range power supply, and PoE function optional. Industrial grade metal case design, supports wall-mount and rail-mount installations, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...
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US$17.06
Waveshare RP2040-GEEK Development Board, Based On RP2040 Microcontroller, With 1.14inch 65K Color LCD, USB Debugging Downloader, With White Plastic Case.
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US$145.37
The WAVE ROVER is a full metal body 4WD mobile robot chassis, which features superb off-road crossing ability and shock-absorbing performance, open source all code for secondary development. It supports multiple host computers (Raspberry Pi, Jetson Nano, Jetson Orin Nano, etc), the host computer can communicate with the ESP32 slave computer through the serial port. Equipped with four N20 geared motors using a high-quality gearbox, which allows the mobile robot to drive at high speed with great power.
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US$4.50
Metal Flat Key Shaft Flange Plate. Using With Serial Bus Servo For Driving Various Transmission Parts.
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US$87.77
Excellent Display Performance With 170° Wide Viewing Angle. New Generation IPS LCD Screen With More Natural Gradual Color Change. Better Visual Experience With More Color Details On The Screen. Up to 5-point touch, depending on the operating system. Up to 6H hardness toughened glass panel.
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US$36.17
Servo motor will provide various feedback like position, speed, torque lock, working mode (servo mode, servo motor mode, etc.) for advanced projects requiring closed-loop automatic control. Ideal choice for building wheeled robots, 3D printers, etc. that require accurate closed-loop speed control or stepping control; it can also be used for building quadruped robots, hexapod walkers, robotic arms and other robotic projects requiring multiple servo motors.
Delivery within 2-3 weeks
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US$36.17
Servos will provide various feedback like load, position, speed, torque lock, and working mode (servo mode, servo motor mode, etc.) for advanced projects requiring closed-loop automatic control. Ideal choice for building quadruped robots, hexapod walkers, robotic arms and other robotic projects requiring multiple servos.
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US$122.62
The USB-CAN-FD is an industrial-grade high-performance USB to CAN FD adapter, CAN/CAN-FD bus communication interface card, and CAN/CAN-FD protocol data analyzer. Onboard dual independent CAN FD interfaces with electrical isolation and multiple protection circuits. Supports Windows XP/7/8/10/11 system, comes with drivers, CAN FD Tools related software, secondary development examples, and tutorials.
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US$62.56
This product is an industrial 8-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case. The Modbus POE ETH Relay is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.
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US$90.77
This product is an industrial 32-ch relay module controlled via RS485 bus, adopts Modbus RTU protocol, built-in protection circuits such as power supply isolation, ADI magnetical isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS case. The Modbus RTU 32-Ch Relay is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.
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US$71.39
This product is an industrial 16-ch relay module controlled via RS485 bus, adopts Modbus RTU protocol, built-in protection circuits such as power supply isolation, ADI magnetical isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS case. The Modbus RTU 16-Ch Relay is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.
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