Check the listing for details. STM32F103C8T6 ARM STM32 Minimum System Development Board Module For Arduino NEW. Condition: New. Listed at 3.17 USD. STM32F103C8T6 ARM STM32 Minimum System Development Board Module For Arduino NEW Brand new and high quality. Model: STM32F103C8T6.Core: ARM 32 Cortex-M3 CPU.Debug mode: SWD.72MHz work frequency.64K flash memory, 20K SRAM.2.0-3.6V power, I/O.Reset(POR/PDR).4-16MHz crystal.Micro USB connector , you can give the board power supply and USB communication.Size:5.3cm x 2.2cm. Shipping Included: 1PCS STM32F103C8T6 ARM STM32 Minimum System Development Board Module For Arduino Payment MathordReturns PolicyAbout FeedbackPayment Mathord 1. PayPal payment accepted only. 2. Items will be shipped to your eBay address. Please make sure it is correct. 3. Payment must be received 4 days after auction ended.Returns Policy 1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase. 2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer. 3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner. 4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Please allow max 2 business days for us to response. About Feedback When you satisfied with our product and services please leave us positive feedback. If a problem occurs, contact us immediately with any email request. Just contact us using the " Ask the seller a question" link on eBay. On 20-Jun-19 at 04:29:22 BST, seller added the following information:On 11-Jun-20 at 09:20:16 BST, seller added the following information: