VoltHive
Key Description:
Input voltage: 3.3V/5V. Only one power supply is required.
Built-in level conversion function.
If communicating with the Bluetooth module using a 5.0V MCU, the 5.0V power port supplies power. The RXTX logic level is 5V. If communicating with the Bluetooth module using a 3.3V MCU, the 3.3V power port supplies power. The RXTX logic level is 3.3V.
RX, the receiving end of the Bluetooth module's serial port is connected to the TXD of the MCU.
TX, the sending end of the Bluetooth module's serial port is connected to the RXD of the MCU.
GND, the negative terminal of the ground power supply.
3.3V, the 3.3V power supply at the power port.
5V, the 5V power supply at the power port.
Contact us:
1、 If you have any uncertainties about the product's attributes or its usage, please feel free to contact me. I'll get back to you within 12 hours.
2、Some products (such as remote controls) require subsequent configuration. Please make sure your eBay messages don't get filtered into spam/junk folders. Thank you.
Transportation:
1、All products in the store come with free shipping、We will send you the shipping label and pictures of all goods when they are dispatched. Please be patient and wait for them.
2、For certain remote areas, an additional shipping fee will be charged. We are not responsible for orders that fail to be delivered due to incorrect address information provided.
3、We ship USA with USPS.Tracking number is available.It usually takes 7-15 business day(weekend is not included).
4、We ship worldwide with flat rate shipping by Hong Kong Air mail or China Air mail. This international order may take longer to arrive. Normally the shipping time is 15 to 35 business days (just for reference), exclude Sat & Sun.
5、Express post by EMS(5-8 days) or DHL(2-5 days) is available. The cost is higher than standard postage, about $30 or higher.
Return & Refund policy:
1、We fully guarantee our items. All items are in brand new condition unless specified otherwise elsewhere in the description.
2、All returns - defective or otherwise - have to be preauthorized. Please contact us to get an authorization and returning address before sending the item back.
3、In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements.
Feedback & detailed Seller Rating:
We are a multinational corporation committed to providing the best possible service and earning positive feedback. If you intend to leave a negative or neutral review, please contact us first. We do not accept unreasonable negative reviews, as a single one can undo all our efforts over a week.
