Yahboom Single-channel dual PWM servo control debugging board for DIY smart robotics
Vendor: Yahboom
SKU: 6000400182
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This expansion board is specially designed for PWM servos. On-board STC8G1K08A chip, without writing any programs, can control the servos in different ways by connecting to the power supply. The first method: adjusting the adjustable knob to control the servo; the second method: control the servo to enter different state modes by pressing the button. Users can power it through two 3.7V batteries or a Micro USB data cable, which is convenient and easy to carry. Makers and DIY enthusiasts should not miss this servo control board.
Features
- On-board adjustable knob, dual servo interface, function switch button.
- Suitable for debugging 5-8.4V PWM servos.
- The angle of the servo can be adjusted manually without any codes.
- Micro USB and KF301-2P two power supply methods.
- Compatible with Lego bricks.
- It can be used in projects such as mechanical claws, AI robotics, and robotic arms.
Detail

1. Free Shipping Policy
Two shipping methods:
Yahboom offers free shipping on orders over $499 (before tax and duties), delivered by reliable carriers such as DHL, UPS, or FedEx.
Yahboom offers free standard shipping on orders(Small Items) over $50+, delivered by reliable carriers such as YunExpress.
Most orders arrive within 6 working days after dispatch.
2. Customs & Import Fees
All international shipments are subject to local customs regulations. Import duties, taxes, or other fees are charged by your country’s customs authority upon arrival.
Our shipping term is FOB Shenzhen, which means these fees, if any, are the customer’s responsibility. The shipping carriers will assist with the customs clearance process to ensure smooth delivery.
If a package is returned due to unpaid customs duties, any related return or reshipping fees will be deducted from your refund.
3. Order Processing Time
Orders are typically processed within 24 hours after placement and shipped the next business day.
Orders placed on weekends or public holidays will be shipped on the next working day.
Once shipped, you will receive a confirmation email with tracking information.
4. Shipment Carriers
Our current primary shipping carriers mainly are FedEx, UPS, DHL and YunExpress.
5. Shipping Restrictions
We are unable to ship to P.O. Boxes and APO/FPO at this time.
6. Refused Shipments
If you refuse the package to have your order returned to us, you will be responsible for the cost of the return shipping.
7. Delivery and Inspection
As our robots and development board kit are high-value items, please monitor the delivery schedule. In case you are not at home during the delivery window, we recommend contacting the courier in advance to arrange a suitable delivery time to ensure you are available to receive the package successfully.
Once you (or someone else on your behalf) collect the item, Yahboom will consider this your acceptance of the package, quantity, and product. To protect your rights, you are highly recommended to shoot a complete unboxing video. If you notice any damage to the packaging, items are missing or damaged, please contact Yahboom Support within 24 hours after you receive the package so that we can resolve the problem immediately.
8. FAQ
Q1: My package says delivered, but I didn’t receive it.
Sometimes tracking information can be incorrect, and packages are marked as delivered before they actually arrive. Your package will most likely be delivered within a few days, but it’s great to check with your shipping carrier for more information in the meantime! If you do not receive your order in a couple of days, please contact our support team within 3 days of the last tracking update, with your order number and tracking information.
Q2: What should I do if my order hasn’t been delivered?
Please note that business days do not include weekends or holidays. We recommend reaching out to the shipping carrier for more information on the status of your order. If your order has exceeded typical shipping times, please contact our Customer Support team.
Q3: My order tracking hasn't been updated for many days?
We're so sorry for the delay with your package! Although tracking does not indicate this, we can assure you that your package is still in transit to you. If the tracking wasn't updated for more than 3 days, please contact our Support team or shipping carrier directly for further help.
Q4: Will my package be charged delivery/customs fees?
All international orders are subject to customs and duty fees as defined by the country of import. Duties will be determined by the country of import of your order based off product value.
Stay Tuned:
Get product updates, tutorials, robotics news, and exclusive offers delivered to your inbox.
This expansion board is specially designed for PWM servos. On-board STC8G1K08A chip, without writing any programs, can control the servos in different ways by connecting to the power supply. The first method: adjusting the adjustable knob to control the servo; the second method: control the servo to enter different state modes by pressing the button. Users can power it through two 3.7V batteries or a Micro USB data cable, which is convenient and easy to carry. Makers and DIY enthusiasts should not miss this servo control board.
Features
- On-board adjustable knob, dual servo interface, function switch button.
- Suitable for debugging 5-8.4V PWM servos.
- The angle of the servo can be adjusted manually without any codes.
- Micro USB and KF301-2P two power supply methods.
- Compatible with Lego bricks.
- It can be used in projects such as mechanical claws, AI robotics, and robotic arms.
Detail

1. Free Shipping Policy
Two shipping methods:
Yahboom offers free shipping on orders over $499 (before tax and duties), delivered by reliable carriers such as DHL, UPS, or FedEx.
Yahboom offers free standard shipping on orders(Small Items) over $50+, delivered by reliable carriers such as YunExpress.
Most orders arrive within 6 working days after dispatch.
2. Customs & Import Fees
All international shipments are subject to local customs regulations. Import duties, taxes, or other fees are charged by your country’s customs authority upon arrival.
Our shipping term is FOB Shenzhen, which means these fees, if any, are the customer’s responsibility. The shipping carriers will assist with the customs clearance process to ensure smooth delivery.
If a package is returned due to unpaid customs duties, any related return or reshipping fees will be deducted from your refund.
3. Order Processing Time
Orders are typically processed within 24 hours after placement and shipped the next business day.
Orders placed on weekends or public holidays will be shipped on the next working day.
Once shipped, you will receive a confirmation email with tracking information.
4. Shipment Carriers
Our current primary shipping carriers mainly are FedEx, UPS, DHL and YunExpress.
5. Shipping Restrictions
We are unable to ship to P.O. Boxes and APO/FPO at this time.
6. Refused Shipments
If you refuse the package to have your order returned to us, you will be responsible for the cost of the return shipping.
7. Delivery and Inspection
As our robots and development board kit are high-value items, please monitor the delivery schedule. In case you are not at home during the delivery window, we recommend contacting the courier in advance to arrange a suitable delivery time to ensure you are available to receive the package successfully.
Once you (or someone else on your behalf) collect the item, Yahboom will consider this your acceptance of the package, quantity, and product. To protect your rights, you are highly recommended to shoot a complete unboxing video. If you notice any damage to the packaging, items are missing or damaged, please contact Yahboom Support within 24 hours after you receive the package so that we can resolve the problem immediately.
8. FAQ
Q1: My package says delivered, but I didn’t receive it.
Sometimes tracking information can be incorrect, and packages are marked as delivered before they actually arrive. Your package will most likely be delivered within a few days, but it’s great to check with your shipping carrier for more information in the meantime! If you do not receive your order in a couple of days, please contact our support team within 3 days of the last tracking update, with your order number and tracking information.
Q2: What should I do if my order hasn’t been delivered?
Please note that business days do not include weekends or holidays. We recommend reaching out to the shipping carrier for more information on the status of your order. If your order has exceeded typical shipping times, please contact our Customer Support team.
Q3: My order tracking hasn't been updated for many days?
We're so sorry for the delay with your package! Although tracking does not indicate this, we can assure you that your package is still in transit to you. If the tracking wasn't updated for more than 3 days, please contact our Support team or shipping carrier directly for further help.
Q4: Will my package be charged delivery/customs fees?
All international orders are subject to customs and duty fees as defined by the country of import. Duties will be determined by the country of import of your order based off product value.
Stay Tuned:
Get product updates, tutorials, robotics news, and exclusive offers delivered to your inbox.











