• Working voltage: 1.65V~5.5V

• IIC clock frequency: 0 ~ 400KHz

• Working environment temperature: -40 ° C ~ 85 ° C

• Small board size: 31.5mm*21.4mm with two M3 mounting holes

Instructions For Use

The /RESET, SDA, SCL, A0, A1, and A2 pins on the small board are connected to the pull-up 10K resistor, no need to connect externally.

Slave Address Reference

We will send thelatest version of product, the upgraded function. It may has different shape or color. If you can't agree, pls don't buy.

Please don't open dispute and leave any bad feedback, if you have any question, feel free to contact us,we will give you satisfactory answer. Hope you understand us, thank you in advance.

When you place an order, please choose a shipping method and pay for the order including the shipping fee. We will send the itemswithin 5 daysonce your payment is completed.

We do not uarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected. Please note that buyers are responsible for all additional customs fees, brokerage fees, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments.

The shipping cost does not include any import taxes, and buyers are responsible for customs duties.

All order will ship out in 1-5 buiness after payment verify .Pls wait in patient.

China Post mail is not fast , Usally need 15-60days arriived.If in urgent .Pls choose DHL/ Fedex/EMS.We can write low value for cutomer if in need!

China Post Ordinary Small Packet Plus just can track to the domestic of our country,but it not effect your receiving.

If you want your products and don't want to waste your time, pls choose China Post Registered Air Mail. If you choose China Post Ordinary Small Packet Plus and the package is lost. We will prove you we send the package and we only can refound 50%. This is your choose,We all have to take risks. If you can't agree, pls don't buy.

China Post Ordinary Small Packet Plus and China Post Registered Air Mail all can track inwww.17track.net/en/

We will refund you if you return the itemswithin 15 daysof your receipt of the items for any reason. However, the buyer should make sure that the items returned are in their original conditions. If the items are damaged or lost when they are returned, the buyer will be responsible for such damage or loss, and we will not give the buyer a full refund. The buyer should try to file a claim with the logistic company to recover the cost of damage or loss.

The buyer will be responsible for the shipping fees to return the items.

Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our items and services.

If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer service.