Audited Supplier
Welcome to our shop
Our store has more types of products. If you have any question please contact us we will do our best to make you enjoy a Happy Shopping
Input voltage: 3.3V/5V only needs a set of power supply.
Built in level conversion function.
If you use MCU 5.0V and Bluetooth module communication, 5.0V power supply port, TX RX logic level 5V
If you use MCU 3.3V and Bluetooth module communication, 3.3V power supply port, TX RX logic level 3.3V
RX, Bluetooth module serial receiver and TXD MCU connection.
TX, Bluetooth module serial port and RXD MCU connection.
GND, ground terminal
3.3V, power supply side 3.3V power supply
5V, power supply side 5V power supply
| product | brand new |
| colour | As shown in the picture |
1,Shipping Warranty:
We usually ship goods By DHL, UPS, EMS, Singpost airmail, and HongKong Airmail.
DHL: 3-5 days
UPS: 5-7 days
EMS: 10-15 working days
Chinapost/HongKong Airmail: 7- 25 working days. At most 45 days.
If you have not received the goods during the normal time, please contact us for checking the package status timely online or by email.
2,Product replacement and warranty
If you have any prodcut quality problem, you can send it back to us with the original condition,we will repair or exchange new one for you.
If you have any using problem of the products which buy from TWE, please feedback to us first, and we will discuss the issue with you. Via our technical support, we can dig out your using problem via our technical support in most of cases.
Lost Products: If products get lost in delivery, or you still do not get your item for a long time, please contact our customer service timely. We will deal with this ASAP. Please do not deal with it all by yourself, we want you communicate with us. Usually, we will provide tracking number and tracking link timely. If products get lost on the way and we get confirm from couriers, we will arrange redelivery for your products. If you want ship it through express, then you need to pay express shipping fee.
3,Technical Service:
. If you have technical problem with the product you received from us, please contact us online or by email: Contact us
Remote help service:
If your problem needs to be solved by remote help by our engineer, please download the teamviewer software, install it on your computer, then give us ID and password for remote help.
Wish You Have A Pleasant Purchasing Time!
