ESP32-S3 with 1.9 inch Screen LVGL Development Board WiFi&bluetooth 170*320 Display TFT Module
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Return PolicyFree Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471Specifications:
>>>Manual: Click here to open<<<
SPIFlash: default 32Mbit
RAM internal: 520KB
Wi-Fi: 802.11b/g/n/e/i
Bluetooth: Bluetooth 4.2BR/EDR and BLE standard
Support interface: (2Mbps) UART, SPI, I2C, PWM
Support TF card, maximum support 4G
IO port: 9
Serial port rate: default 115200bps
Spectrum range: 2400 ~2483.5MHz
Antenna form: Onboard PCB antenna, gain 2dBi
Image output format: JPEG (only OV2640 support), BMP, GRAYSCALE
Packaging method: DIP-16
Transmit power 802.11b: 17u00b12dBm (@11Mbps)
802.11g: 14u00b12dBm (@54Mbps)
802.11n: 13u00b12dBm (@MCS7)
Receiving sensitivity CCK, 1Mbps: -90dBm
CCK, 11Mbps: -85dBm
6Mbps(1/2BPSK): -88dBm
54Mbps (3/464-QAM): -70dBm
MCS7 (65Mbps, 72.2Mbps): -67dBm
Power consumption Turn off the flash: 180mA@5V
Turn on the flash and adjust the brightness to the maximum: 310mA@5V
Deep-sleep: The lowest power consumption can reach 6mA@5V
Moderm-sleep: the lowest can reach 20mA@5V
Light-sleep: the lowest can reach 6.7mA@5V
Security: WPA/WPA2/WPA2-Enterprise/WPS
Working temperature: -20 u2103~ 70 u2103
Storage environment: -40 u2103~ 125 u2103, <90%RH
Features:
1. Use low-power dual-core 32-bit CPU, which can be used as an application processor.
2. The main frequency is up to 240MHz, and the computing power is up to 600 DMIPS.
3. Built-in 520 KB SRAM.
4. Support UART/SPI/I2C/PWM/ADC/DAC and other interfaces.
5. Support OV2640 and OV7670 cameras, built-in flash.
6. Support picture WiFI upload.
7. Support TF card.
8. Support multiple sleep modes.
9. Embedded Lwip and FreeRTOS.
10. Support STA/AP/STA+AP working mode.
11. Support Smart Config/AirKiss one-click network configuration.
12. Support secondary development.
Application:
Home smart device image transmission
Wireless monitoring
Smart agriculture
QR wireless recognition
Wireless positioning system signal
And other IoT applications
Package Include:
1u00d7 Development Board
