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Regular price $17.98 USD
Regular price Sale price $17.98 USD
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⚠️If you need technical support, you can get a quicker response on our GitHub (the tech team will check it directly). Please provide your Tax/Personal ID (if available), this will expedite the shipment of your order.

Instructions Before Order

If you order the wrong product or want to add another or change your shipping address, please re-edit the correct information and place a new order, then contact us to cancel the incorrect order.

If you have a tax ID or personal ID please provide as much as possible, otherwise, if your country requires this information we will block your order and contact you via email, which will slow down the shipment.

We strongly recommend choosing DHL or FedEx if your order is over $200.

Generally, except for DHL or FedEx, we will automatically split orders over $150-200 into two packages due to customs clearance, loss prevention issues, etc.

For more please check here

Shipping & Delivery

Methods & Delivery Time

  1. Standard Express: 25-30 Days
  2. EUB: 25-30 Days
  3. YunTu Express : 10-20 Days
    (Company name can't be used consignee)
  4. DHL: 10-17 Days
  5. FedEx: 10-17 Days
  6. YanWen: 20-35 Days

Please note that all delivery times are estimated for reference only.

During ship, maybe some methods of transport do not update the logistic track until the parcel reaches the destination country.

If you do not see one of the above shipping methods when checking out, it may be because your country does not support that shipping method, please select one of the available channels already listed or contact us for help.

Please make sure your address is fully filled in (including province and continent, which will affect the shipping time of your order)

For more details please check our shipping policy.

About Tax

At present, the price of the platform does not include any tax.
European customers should pay attention to the tax problem after the package reaches the local country, which needs to be borne/handled by the customer, the local policy shall prevail

[orders over 150 euros may generate tax (Amount for reference only), for orders over this amount, we will not inform the customer separately, so please pay attention to it by yourself.]

Adapt to RS232 DB9 female connector, DC input 5V~12V


MCU ESP32-C3 32-bit, RISC-V-based MCU
Support Wi-Fi and Bluetooth 5 (LE)
Flash 4MB
Programming platform Arduino, ESP-IDF
Onboard functions  WS2812(GPIO4), Button: Reset+ Boot(GPIO9) + IO2
 Full-duplex high-speed RS232 module
Module Name RSM232MT5V
Port TTL/RS232
Isolation voltage 3000V
lsolation output 5V/50mA 0.5W
Communication rate  1200~256000bps
 Full-duplex high-speed RS485 module
Module Name RSM485MT5V
Port TTL/RS485
Isolation voltage 3000V
lsolation output 5V/50mA 0.5W
Communication rate  1200~256000bps

Sample Code For Reference

If you need technical support please check below link to find more details.




 Pin Diagram

 More Details

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