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T3 S3 [US]

T3 S3 [US]

$21.26
$21.26
Sale Sold out

The country code at the end of the title only means that it is shipped from a different warehouse and there is no difference in the product.

About Shipping

Methods & Delivery Time

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

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

Check More Info: Shipping Policy

About Tax

We only charge the product cost and shipping cost.

1. For Standard Express Order: You may not need to deal with customs clearance, just need to pay attention to the track of the parcel, but this is not absolute, if your parcel is inspected by the customs, then you need to assist in dealing with customs clearance.

2. For DHL/ FedEx Order: You need to deal with the relevant customs clearance matters, as well as pay the tariff, the specific amount of tariff please pay attention to the policy of your country.

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The above tariffs are for reference only, please pay attention to your country's tax policy for more detailed instructions, if you need our help or have questions please feel free to contact us.

 

Sample code for reference [Github]

T3 S3

Size

Pin Diagram


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View full details

  • Who can use

    It's easier to master these development boards with a basic programming knowledge [engineers/ students/ makers, etc..]

  • Accelerated processing

    International orders please make sure your address is in English
    For Hong Kong, Macau and Taiwan orders, please note your personal ID.

  • Got a question

    Click on the bubble in the bottom right corner where some frequently asked questions are answered, or just drop us a line.

Customer Reviews

Based on 1 review
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M
Matthew Calhoun
Great Lower-Power Addition to Mesh Cluster - Solid SMA Connector

The T3S3 has proven to be quite stable within my mesh cluster (LoRa 915). I used it as a base station node for about 30 days, also connected to a bi-directional (1 watt) amp, running to a roof-mounted antenna. The form factor is nice and small, while still providing ample memory and an SD slot for however much space you need.

I ported firmware designed for the T-Beam supreme over to this smaller T3S3 for comparison. I also tested the grove connector with both GPS modules and with a DS3231 I2C module. Both types of modules performed solidly over I2C. I didn't try the UART grove plug.

Positives:
* Small form factor
* Solid/soldered SMA connector for LoRa
* very competitive price (well...as of feb 2025)
* fast ESP32 performance
* Less power usage vs some options that include GPS

Negatives
* less memory/flash available than t-beam supreme
* Only one functional button, so use it wisely
* small screen, use it wisely
* I have not seen many 3d printable enclosures, but maybe I've missed them

What I can report works well
* The board is very stable. It never reboots unexpectedly and can handle simultaneous use of flash/sd/screen/LoRa
* LoRa signals are very good for tx and rx
* Works very well with 1 watt, 4 watt, and 20 watt bidirectional amps
* SD card works fine with fat
* Flash works well with spiffs
* sx1262 is a solid performer, as we already know
* grove port is stable for IIC

I did zero testing of wifi/bluetooth with this, so I can't report on that.

All in all, if you want to play around with esp32 and LoRa, this is a great option.

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