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Description
Industrial Control Board Communication Device Supports WiFi / Bluetooth Built-In Multiple Protection Circuits, 321541. Microcontroller: ESP32 S3 (default is ESP32 S3R8 chip) 2. Wireless communication: 2. 4GHz Wi Fi (802. 11 b g n), Bluetooth 5 (LE) 3. USB interface: Interface type: Type C Power supply voltage: 5V Functions: power supply for the device, USB communication, firmware download, etc. 4. Isolated RS485 communication interface: Interface type: terminal block Direction control: automatically controlled by the main control hardware flow setting Interface
1. Microcontroller: ESP32-S3 (default is ESP32-S3R8 chip)
2. Wireless communication: 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 (LE)
3. USB interface:
- Interface type: Type-C
- Power supply voltage: 5V
- Functions: power supply for the device, USB communication, firmware download, etc.
4. Isolated RS485 communication interface:
- Interface type: terminal block
- Direction control: automatically controlled by the main control hardware flow setting
- Interface protection: provides TVS diode protection, surge and static protection
- Matching resistance: default NC, reserved 120R matching resistor, can be enabled by jumper cap
5. Isolated CAN communication interface:
- Interface type: terminal block
- Direction control: hardware automatically determines and controls the data transmission direction
- Interface protection: provides TVS diode protection, surge and static protection
- Matching resistance: default NC, reserved 120R matching resistor, can be enabled by jumper cap
6. Indicator lights:
- PWR: power indicator light, connected to USB, turns red when voltage is detected
- RS485: RS485 indicator light: Green when data is sent from the RS485 interface, blue when data is sent back from the RS485 interface
- CAN: CAN indicator light, flashes when data communication exists at the CAN interface
7. Terminal power supply range: 7V - 36V
8. Shell: rail-mounted protective shell
9. Size: about 9.16 x 2.33 x 5.87cm
Feature:
1. Based on the ESP32-S3 single-chip microcontroller, it is equipped with an Xtensa 32-bit LX7 dual-core processor with a maximum clock frequency of 240MHz
2. It integrates 2.4GHz Wi-Fi and low-power Bluetooth 5 (LE) dual-mode wireless communication, featuring excellent radio performance
3. It has an isolated RS485 interface, facilitating the external expansion of various RS485 Modbus industrial expansion modules or sensors
4. It has an isolated CAN interface, facilitating the external expansion of various CAN devices
5. It has an edge connector interface, allowing for the connection of other devices
6. It has a USB Type-C interface, which can be used for power supply and download debugging, facilitating development use
7. It has an isolated wiring terminal power supply interface, supporting a wide voltage range of 7V - 36V, facilitating the use of industrial power supply ports
8. It has an RTC clock chip, supporting timing tasks
9. It has digital isolation to avoid external signal interference to the control chip
10. It has an integrated power isolation unit, which can provide stable isolated voltage, and the isolated end does not require additional power supply
11. It has RS485 receiver and transmitter indicator lights and CAN operation indicator lights, facilitating the perception of the devices operating status
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.1 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Good Quality & Value - baskets included!
Size: 4 Cube Shelf, Size: 4 Cube Shelf
I bought this shelf as opposed to others because it was the best value considering it comes with baskets. Perfect shelf for a small space where I needed extra baby storage. I like the natural look but you could easily paint or stain it since it’s unfinished. Super quick to assemble and good quality pieces.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Genuine wood & easy assembly!!
Size: 8 Cube Shelf, Size: 8 Cube Shelf
This is a really nice genuine all wood storage unit! Everything needed to assemble it, was in the box. It came with simple instructions, the natural wood is beautiful and all the edges are very smooth. This was literally the easiest assembly ever, since everything lined up so perfectly! There were a couple of extra screws but I'd rather have extra versus being short. Yes, you can see the screw heads but a dab of wood putty is a quick fix. The handles on the bins are a nice clean classy touch, instead of a cheaper looking material pull. There were also 3M pads included. I used those to cover the flush screw heads and corners (on the bottom) to protect my wood floors. This works perfectly for storage for my gemstone jewelry shop on etsy. It keeps everything organized, within easy reach and all in one spot. And, of course, looks good doing so.
Will update on durability.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
solid item, worth it.
Size: 9 Cube Shelf
solid wood, well designed and easy to put together. A few of the back pieces were bowed but thats what you get with wood and it all went together just fine, can't even tell. They are unfinished, but ready for stain or poly Its not often I am pleased with furniture off of Amazon but I will be ordering a few more of these.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Work well ; well priced .
Size: 4 Pack, Color: A-Ivory White
Came well packaged and are made well.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Safe, Simple, Reliable!!
These adapters are heavy‑duty and dependable. The fireproof build feels secure, and the grounding tab adds peace of mind. Perfect for older outlets, they fit snugly and keep devices running without hassle. A practical, no‑nonsense solution that delivers safety and convenience in bulk. I have converted most of my outlets with this.
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Reviewed in the United States on April 22, 2026