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ESP32-DevKitC Core Board ESP32-WROOM-32D ESP32-WROOM-32U WIFI Bluetooth-compatible Development Board

ESP32-DevKitC Core Board ESP32-WROOM-32D ESP32-WROOM-32U WIFI Bluetooth-compatible Development Board

Roymall C.o.

$2.50 /$6.09

4.7701

Shipping to: United States

Express: 7-12 business days

Standard: 15-25 business days

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$4.99 /$6.09

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Free gift with any purchase

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Free standard shipping on orders over $9.9

Return Policy

Return items will be accepted within 40 days when is the date of receiving the goods. Customized items cannot be returned or exchanged. Items bought with an e-gift card are exchangeable only; refunds are not applicable.

Free 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: +447549870296

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: +447549870296

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Specification:

Category	Project	Product specifications
Authentication	RF certification	FCC/CE-RED/SRRC/TELEC
	WiFi certification	Wi-Fi Alliance
	Bluetooth authentication	BQB
	Environmental certification	RoHS/REACH
Test	Reliability	HTOL/HTSL/uHAST/TCT/ESD
WIFi	Agreement	802.11 b/g/n(802.11n, up to 150 Mbps)
	Agreement	A-MPDU and A-MSDU aggregation,supporting 0.4μs protection interval
	Frequency range	2.4GHz~2.5 GHz
Bluetooth	Agreement	Complies with Bluetooth v4.2BR/EDRand BLE standards
	Radio frequency	NZIF receiver with sensitivity of -97dBm
		Class-1,Class-2and Class-3 transmitters
		AFH
	Audio frequency	CVSD and SBC Audio
Hardware	Module interface	SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR Motor PWM pulse counter, GPIO Capacitive touch sensor, ADC, DAC
	On chip sensor	Hall sensor
	Integrated crystal oscillator	40MHz crystal oscillator
	Integrated SPI flash	4MB
	Integrated PSRAM	8MB
	Operating voltage/supply voltage	2.3V~3.6V
	Operating current	Average: 80 mA
	Minimum supply current	500mA
	Recommended operating temperature range	-40℃~85℃
	Package size	18 x 31.4 x 3.30mm
	Moisture sensitivity level(MSL)	Level 3