DSD TECH SH-UR01A USB Relay Controller for Computer and Laptop(1CH)
Bottom line: The DSD TECH SH-UR01A USB Relay Controller for Computer and Laptop: OMRON G5V-1 relay rated 0.5A at 125 VAC and 1A at 24 VDC; main trade-off: single channel only - no multi-relay option in this SH-UR01A model.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ OMRON G5V-1 relay rated 0.5A at 125 VAC and 1A at 24 VDC
- ✓ Silicon Labs CP2102N chip creates a standard virtual COM port for scripted commands
- ✓ Runs on Windows 7/8/10, Linux, and macOS from the same board
- ✓ 1-year replacement service plus ongoing technical support from DSD TECH
Cons
- ✗ Single channel only - no multi-relay option in this SH-UR01A model
- ✗ Driver install required before the virtual serial port appears
- ✗ Max switching limits of 125 VAC / 60 VDC rule out heavy AC loads
- ✗ Serial command syntax means no bundled GUI - you write the control script
SpecPicks Verdict
SpecPicks scored DSD TECH SH-UR01A USB Relay Controller for Computer and Laptop using a rating × review-volume × price-fit model applied to published specs and reviews across the controllers & gamepads category. DSD TECH's controllers & gamepads lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for controllers & gamepads of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 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.
- Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this USB Relay Controller.
Full Specifications
| Brand | DSD TECH |
|---|---|
| Platform | Linux, Mac, Windows 7 |
| Unit Count | 1 Count |
| Connectivity | USB |
| Model Number | SH UR01A |
| Compatibility | This USB Relay Board is compatible with Windows 7, 8, 10 and various Linux OS and Mac OS. |
| Mfr Part Number | SH-UR01A |
| Customer Support | DSD TECH provides permanent technical support and 1 year product replacement service for this USB Relay Controller. |
| Audio Output Mode | Stereo |
| Hardware Platform | Personal Computer |
| OMRON G5V-1 Relay | Rated load(0.5A at 125 VAC;1A at 24 VDC ) ;Max. switching voltage (125 VAC, 60 VDC) |
| Compatible Devices | Laptop, Personal Computer |
| Hardware Interface | USB 2.0 |
| Maximum Sample Rate | 192 KHz |
| USB Relay Controller | With this USB Relay controller, you can control the switch on your PC or laptop. |
| Hardware Connectivity | USB 2.0 |
| Item Dimensions L x W x H | 2.56"L x 1.46"W x 0.98"H |
| Surround Sound Channel Configuration | 1.0 |
Ready to buy?
DSD TECH SH-UR01A USB Relay Controller for Computer and Laptop(1CH) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Controllers & Gamepads
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best 1440p Gaming GPUs in 2026
More reviews from the SpecPicks archive
Browse all reviews →- 21 GPU's benchmarked running a small TTS model (vram peak: 5GB)
- Raspberry Pi 4 8GB in 2026: Still the Right Pick for Retro Emulation and Home Servers?
- Can the RTX 3060 12GB Still Game at 1440p in 2026?
- Claude Opus 4.8 Tops the Intelligence Index — How Close Can a $300 RTX 3060 Get Locally?
- AMD Instinct MI300X vs Radeon RX 7600 XT: Datacenter vs Desk
- Best Budget Streaming Gear in 2026: 5 Picks to Go Live Cheap
- Best CPU Cooler for AM5 Ryzen 9 Overclocking (2026)
- Building a Period-Correct 2003 LAN Party Rig with Athlon XP and Audigy 2 ZS
- Best Budget Gaming CPUs for 1080p in 2026
- AMD Ryzen 9 9950X3D2 on Linux vs Windows 11: Why the Penguin Wins
- GLM-5.2 vs Frontier Models on GDPval-AA: What It Means for Local Builders
- ASRock Phantom Gaming vs Steel Legend 360 LCD Review
- Troubleshooting Corsair 12V-2x6 Cable Issues on RTX-Class GPUs (2026)
- Best Parts for a DIY Home Arcade Cabinet in 2026
- Best Gaming Keyboard for Office and Gaming Crossover (2026)
- MacBook Neo Benchmarks 2026: Apple Silicon vs AMD
- Raspberry Pi 4 8GB vs Pi Zero W: Which Fits Your First Project?
- Kimi K3 Lands #5 on Coding Agents: What You Can Actually Run Local
- Sound Blaster Audigy FX Deep Dive: Is It Worth It for a 2003 WinXP Period-Correct Gaming Build?
- Adafruit's Cyberdeck Raspberry Pi Music Workstation Guide Lands
- llama.cpp on Snapdragon Hexagon NPU: First Real Benchmarks and What Actually Works
- Samsung Winds Down Memory Output Before 18-Day Strike — SSD Price Watch
- Dual Radeon AI PRO R9700 Workstation: 64 GB Local LLM Build
- NVIDIA RTX A6000 48GB Review: The Workstation Card That Still Owns Local 70B Inference (2026)
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090