DIY JZ-K3 C51 Microcontroller Development Kit MAX232 USB DC Port Self-Reset Protection Multi-Interface Support LED Display Module
Direct purchase from the factory 
Guaranteed Safe Checkout
Free Gift
Shipping Policy
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:
- Communication IC: MAX232
- USB to Serial Port for downloading and communication
- DC Port: 5.5*2.1mm, connects to a 5V power adapter
- Self-reset protection: for short circuit or microcontroller malfunction
- Components: LED flow lights, 4-digit common anode display, buzzer, stepper motor driver chip - ULN2003, memory chip - 24C02
- Sensors: 18B20 temperature sensor, infrared receiver interface
- Connectors: PO pull-down resistor, single-chip IO output pin, 5V/GND output pin, LCD1602 interface, LCD12864 interface, ISP download interface
- Three removable IC seats for easy replacement
Features:
1. Versatile Connectivity
Equipped with USB and DC power ports, the board offers flexible power and communication options, making it adaptable to various development environments and scenarios.
2. Enhanced Protection
The integrated self-reset protection ensures the board automatically shuts down in case of a short circuit or microcontroller malfunction, safeguarding your system"s integrity and components.
3. Multi-functional Interface
This development board supports multiple interfaces including LCD1602 and LCD12864, offering a wide range of display capabilities and allowing extensive testing and prototyping possibilities.
4. Comprehensive Component Suite
Featuring elements like LED flow lights, buzzer, stepper motor driver chip, and standalone buttons, it provides essential tools for a diverse array of electronic projects and hardware experimentation.
5. Easy Component Replacement
With three removable IC seats, this board allows for straightforward swapping of components, facilitating quick upgrades and customization without the need for complex soldering processes.
Package Included:
1 x DIY JZ-K3 C51 Microcontroller Development Kit
