Description
T-Relay ESP32 Chip DC5V 4-Groups Relay 4MB Flash IoT Relay Suport WiFi Bluetooth Product Feature 1: Widely used 2: Stable performance 3: Maximum working current: 15A 4: The operation is simple and easy to understand 5: According to requirements, two options are available Since the motherboard does not burn and download chips, this product needs to use the T-U2T automatic downloader to upload the program. If you do not have T-U2T, you need to purchase the matching version to upload the program. If you already have a T-U2T, you Only need to have a T-U2T automatic downloader to be compatible with T-U2T series products, no need to repeat purchase. MCU: ESP32-Wrover-B FLASH: 4MB PS RAM: 8MB Communication protocol: UART, SPl, l2C, CAN, l2S, SDIO Wireless protocol: Wi-Fi: 802.11 b/g/n for Bluetooth: V4.2 BR/EDR and BLE Onboard functions: four groups of relays, optocoupler isolation, 16 expansion IO HRS4H-S-DC5V relay: standard power consumption: 360 to 450 mw 1, K1 relay: I021 2, K2 relay: I019 four blue LEDs 3. K3 relay: I018 4. K4 relay: I005 relay working indicator Maximum response/release time: 8ms/5ms Maximum operating current: 15A External power supply voltage input range: DC 12~24V Working temperature: -40~80℃ Support T-U2T downloader: Can be connected to use T-U2T USB to serial downloader, which is convenient, fast, safe and beautiful. It can also be directly powered by Type-C USB Check list ( according buyer choose) Relay Only: 1 X T-relay four-way relay 2 X pin header Relay Set: 1 X T-relay four-way relay 1 X T-U2T downloader 2 X pin header Payment Method Returns Policy Feedback Payment Method 1. PayPal payment accepted only. 2. Items will be shipped to your eBay address. Please make sure it is correct. 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. 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. Am 28.09.21 hat der Verkäufer die folgenden Angaben hinzugefügt: