Details:   TTGO XI is a development board. Comes with USB chip, you can directly connect to the computer burning program. You can use .cc's IDE to develop (you need your own installation support). The development environment is recommended, and the LGT support package can be installed directly in the development board manager. The MCU used by WEMOS X2 is LGT8F328P, a MEGA328P compatible chip. Integrated USB, more convenient to use.   ALPHA 8F328P-U:   ALPHA 8F328P-U is a compatible development board. You can use IDE to develop (you need your own installation support). The development environment is recommended, and the LGT support package can be installed directly in the development board manager. The MCU used by ALPHA 8F328P-U is LGT8F328P, a MEGA328P compatible chip. The USB chip is used in Thailand HT42B534-1, WIN10 and M AC OS X freedrive. 8F328D architecture design relatively new, peripheral function is far stronger than MEGA328. Especially the program encryption capability is far beyond MEGA328. For details, see the data book. 1. Product features 2. It comes with USB and is more convenient to use. 3. The 8F328D can be powered by 3V3 and 5V, operating at 16M frequencies with excellent levels of compatibility. 4. Built in high precision RC, without external crystal oscillator can be stable operation. 5. Less peripheral parts, simple circuit design. 6. 12 bit ADC (analog to digital conversion) 7. Bring DAC 8. Own GUID (unique ID) can be used for chip program encryption 9. Comes with an internal 1.024V/2.048V/4.096V + 1% calibration reference voltage source 10. Parameters

FLASH 32Kbytes
SRAM 2Kbytes
E2PROM  0K/1K/2K/4K/8K(FLASH Share)
Frequency 16MHz(Maximum 32MHz)
ADC 6 passageway12 position
DAC 1passageway8 position
Internal benchmark 1.024V/2.048V/4.096V ±0.5%
System logic level Factory 3V3 (switch from pad to 5V)
  Thailand HT42B534-1 USB driver USB ALPHA 8F328P-U chip is used in WIN10  M AC , Thailand HT42B534-1, OS X, Linux freedrive. Windows 7, 8, 8.1 drivers: local download   Although ALPHA 8F328P-U is compatible, but if you are using IDE, then LGT8F328P support need to do it yourself, more trouble. The development environment has already done a good job, and you can download it directly. We'll introduce it in the integrated development environment. Casually find a routine, I use the IDE comes with analog values to send serial routines. Then click the red box download button.

Package included: 5 x Wemos® TTGO XI 8F328P-U Board 10 x pin

Additional Information



  • Please note that we will do our best to package each product in the most effective way possible to minimise damage and reduce waste to the environment. Please keep in mind that the packaging may include materials that protect the items so take care when unwrapping items. 
  • Please allow 7-10 business days for the delivery of your parcel. If you have any questions please contact Bargain Flash Store directly. 
  • All efforts are made to keep stock levels and product information up to date. In the situation where an item is not available we will endeavour to provide an equivalent product or a refund after discussing with you (i.e. the seller).
  • Parcel dimensions may vary depending on how the product is packaged. We will do our best to package each item in a way that reduces size, weight and waste however some items need more protective material to ensure safe delivery.
  • We do not provide international shipping options.
  • Items will normally be processed on the next busiess day after order is procesed. A shipment tracking number and notification will be sent to the customer once items are dispatched. Bargain Flash Store cannot be held responsible for any delays in delivery caused by freight companies or intermediaries used.

    The customer is responsible for the order once the package arrives at the supplied delivery address. Bargain Flash Store cannot be held responsible if the package goes missing once delivered. If any items are received damaged, the customer must notify Bargain Flash Store within 48 hours of receiving them. Please see returns policy below.

    Bargain Flash Store  cannot be held responsible for items that do not arrive to the customer due to errors made by the customer when entering the address details. Also note that the address must be accessible to courier drivers and if no shipping instructions are left then Bargain Flash Store needs to ensure that there is someone to receive the package. 

    Please also note that deliveries made to business addresses or at a place of work are considered received once they arrive at the address. It is the customer’s responsibility to ensure the item is safely received.



If you change your mind on a product purchased you are entitled to a refund on the purchase price (freight costs are not refunded) if you contact Bargain Flash Store within 21 days from date of receiving the product and advise Bargain Flash Store of the reason for the change of mind. You are entitled to a full refund of the purchase price if you provide us with the proof of purchase, all packaging/tags/instructions are attached to the item(s) and the product is in the same condition as when it was received (including all tags, packaging etc). Please note that the customer is responsible for the cost of returning the product to the address provided by Bargain Flash Store to the customer. Bargain Flash Store will provide a full refund of the purchase price within 21 days on confirmation of the product being received by Bargain Flash Store from the customer. 

In the event of any items received being damaged or incorrect items received the following policy applies:

A. The customer is obliged to send through (photographic) evidence and a detailed explantion of the issue to Bargain Flash Store directly. These photographs need to be (digitally) date marked and sent to citing the name, email address, and order number. Upon inspection/review Bargain Flash Store will decide upon one of three options:

I. The damage warrants a discount;

II. The damage warrants a refund; or

III. A new item will be sent out.

B. Refunds are applicable for the items only and do not include the price paid for shipping.

C. Bargain Flash Store reserves the right to deviate from the above if applicable to an individual case.