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.

Square Wave Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module XYPWM Switch

Name: Square Wave Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module XYPWM Switch
SKU: 6aa2341b0589ae010eebee2e
Price: 5.87 EUR
Availability: InStock

Current price

Price €5.87

‌

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Free delivery to the United States

14 September

Secure checkout & data protection

No-delivery refund

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Description

Feature: 1. 1 CHANNEL OUTPUT: Square wave signal generator support 1 channel PWM output signal, adjustable frequency range from 1Hz to 150KHz 2. CLEAR LCD DISPLAY: Provide clearer display of frequency and duty cycle, bring high accuracy detection, with case protection 3. DUAL WORKING MODE: Support frequency adjustment and duty cycle adjustment. UART is supported, and support output 4. SUPPORT POWER OFF MEMORY FUNCTION: No need to set data after shutdown, the knob supports locking function to avoid misoperation 5. WIDER APPLICATION: Square wave signal generator can generate square wave signal for experimental development, control motor drive, generate adjustable pulse for MCU Dimmer, speed governor, etc. Specification: Item Type: Square Wave Signal Generator Size: Approx. 78 x 42 x 37mm 3.07 x 1.65 x 1.46in Working Voltage: DC 3.3V 30V Frequency Range (normal mode): 1Hz 150KHz Frequency Range (accurate mode): 1Hz 15KHz Frequency Accuracy: 2percent Duty Cycle Accuracy: 1percent in normal mode Duty Cycle Accuracy: 0.1percent in accurate mode Duty Cycle Range: 0.00percent 100percent Output Current: About 5 30mA Output Amplitude: Same as input voltage Operating Temperature: 160 Fahrenheit 190 Fahrenheit ( 40 celsius 85 celsius ) Working Humidity: 0percent 95percent relative humidity. Package List: 1 x Square Wave Signal Generator

KaiSai

4.3

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reviews

10,000+

purchases

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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.