Onboard mature and stable ESP-C3-12F module, large-capacity 4M Byte Flash.The I/O ports and UART program download ports of the ESP32-C3 module are all led out, which is convenient for secondary development.Onboard AC-DC and DC-DC switching power supply module, power supply mode supports AC90-250V/DC7-12V, onboard ESP32-C3 module EN power button and IO9 programmable button.ESP32-C3 supports the use for Arduino IDE development tools and provides reference programs in the for Arduino development environment.On-board 1-way 5V relay, output switch signal, suitable for controlling loads with working voltage within AC250V/DC30V; on-board power indicator, 1 programmable LED and relay indicator.Type: development boardSupply voltage: AC90-250V/DC7-12VColour: blueMaterial: PCBSize: 80x50mmPackage Contents:1 * Development Board2 * Double Row Needles1 * Single Row Needle1 * Single Line CapOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

About Us

We provide the good product with the best price,we support Wholesale/Drop Shipping Order

1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it. 

2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.

About Payment

If you meet any problem when making the payment, please contact AliExpress Customer Service Center to ask for help:  //helppage.aliexpress.com/buyercenter/index.htm

About Shipments

1.We will send out the orders ASAP within 2-7 days(except weekends and national holidays) once your payment is completed normally.

2.Please write your complete delivery address with correct phone number and zip code, especially Russia and Belarus buyers, please confirm your full name. 

3.Please notice that we will not responsible for customs duties.Please do the customs clearance by yourself.

4.We provide both post shipping and express shippings.For most countries, post shipping takes about 25-35 business days, and longer for some countries like Brazil, Peru.

Express shipping inlcude DHL, EMS, AliExpress Premium Shipping and Special Lines like Aramex. It takes about 7 days.(It will delay if your country meet some problem,Worker strike,weather problem and so on.)

About After-sale Service

We are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.

About Feedback

1. Please check the package and item when you get carefully to make sure there is no problem. 

2. If you have any problem or are not entirely satisfied with your package,please don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you. 

3. If there is no problem, please leave us 5 star positive feedback.

Your affirmation is our greatest motivation ! ! !