What payment methods are available on Joom?

Joom supports a wide range of local and international payment methods for European shoppers, including debit and credit cards (Visa, Mastercard, Maestro), PayPal, Apple Pay, and Google Pay, plus country-specific options such as Klarna, BLIK, Multibanco, MB WAY, SEPA, and Giropay. Available options are shown at checkout and vary by country.

Can I pay for an expensive purchase in installments or later?

Yes, buy-now-pay-later services such as Klarna and Scalapay are available for some higher-value purchases, depending on your country, order amount, and the provider's terms.

Can I track my order?

Yes. You can follow its delivery status in the Joom app or on the website, updated as the package moves.

What happens if my order doesn't arrive?

Every order is covered by Joom Delivery Guarantee. If your order doesn't arrive by the guarantee date shown in your order details, contact Joom support and we'll issue a full refund.

Is it safe to pay on Joom?

Yes. Joom uses a secure payment system, and the seller isn't paid until you've received your order, which adds an extra layer of purchase protection.

What if my order doesn't arrive or the product isn't as expected?

If your order wasn't delivered, arrived damaged, or doesn't match its description, contact Joom support — a full refund can be issued in these cases.

How do I request a refund?

Requesting a refund is quick and straightforward. Just head to your order in the Joom app or website, open the Support Chat, and let us know what happened. Our team will take it from there and get back to you with a resolution as quickly as possible.

R3 Development Board Atmega328Pb Ch340G With Cable Mega328P Chip Type C Expansion Development Board

Name: R3 Development Board Atmega328Pb Ch340G With Cable Mega328P Chip Type C Expansion Development Board
SKU: 6ad17c19a98ef201b7bf1ec9
Price: 7.7 EUR
Availability: InStock

Current price

Price €7.70

‌

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Free delivery to the United States

20 October

Secure checkout & data protection

No-delivery refund

Quality guarantee

Secure logistics

Privacy protection

Description

Feature description

Open the original design of the circuit diagram, the development software interface is free to download, you can also modify it according to your needs, the download procedure is simple and convenient. Simply use sensors, a variety of electronic components (such as: LED lights, buzzers, buttons, photoresistors, etc.) to make a variety of interesting works.

Using a high-speed microprocessor controller (ATMEGA328), the development interface and environment are very simple and easy to understand, making it ideal for beginners to learn. Performance description Digital I/O digital input/output terminals total 0~13. The analog I/O analog input/output terminals are 0~5. Support ISP download function. Input voltage: no external power supply is required when connecting to the computer USB, external power supply 5V~9V DC voltage input. Output voltage: 5V DC voltage output and 3.3V DC voltage output. Atmel Atmega328 microprocessor controller The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.

Dasuan

4.6

390

reviews

1,500+

purchases

Seller's info and responsibility

Frequently asked questions

What payment methods are available on Joom?
Joom supports a wide range of local and international payment methods for European shoppers, including debit and credit cards (Visa, Mastercard, Maestro), PayPal, Apple Pay, and Google Pay, plus country-specific options such as Klarna, BLIK, Multibanco, MB WAY, SEPA, and Giropay. Available options are shown at checkout and vary by country.
Can I pay for an expensive purchase in installments or later?
Yes, buy-now-pay-later services such as Klarna and Scalapay are available for some higher-value purchases, depending on your country, order amount, and the provider's terms.
Can I track my order?
Yes. You can follow its delivery status in the Joom app or on the website, updated as the package moves.
What happens if my order doesn't arrive?
Every order is covered by Joom Delivery Guarantee. If your order doesn't arrive by the guarantee date shown in your order details, contact Joom support and we'll issue a full refund.
Is it safe to pay on Joom?
Yes. Joom uses a secure payment system, and the seller isn't paid until you've received your order, which adds an extra layer of purchase protection.
What if my order doesn't arrive or the product isn't as expected?
If your order wasn't delivered, arrived damaged, or doesn't match its description, contact Joom support — a full refund can be issued in these cases.
How do I request a refund?
Requesting a refund is quick and straightforward. Just head to your order in the Joom app or website, open the Support Chat, and let us know what happened. Our team will take it from there and get back to you with a resolution as quickly as possible.