M5Stack DAC 2 I2C Unit (GP8413)
📦 Location of the warehouse: China
Free Shipping from $50 in the US, $70 for non-continental US
- US Delivery Time: 2~7 Business days.
- Non-Continental US Delivery Time: 3~9 working days.
- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished, usually within 10 working days. Special pre-sale products will specify the expected arrival time in the description.
- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.
M5Stack DAC 2 I2C Unit (GP8413)
The M5Stack DAC 2 I2C Unit (GP8413) is a state-of-the-art digital-to-analog signal conversion module, meticulously engineered for demanding professional and industrial environments. This compact device, also known as the M5Stack DAC 2 or DAC2 Unit, delivers exceptional precision, flexible scalability, and robust safety mechanisms.
At the heart of the DAC2 Unit lies the advanced GP8413 chipset, which provides a high-resolution 15-bit digital-to-analog conversion. It is capable of independently outputting two analog voltages, configurable within the 0–5V or 0–10V ranges. With remarkable 0.01% linearity and an impressively low voltage error margin of just 0.2%, this unit guarantees highly dependable and stable analog signal generation.
Key Features of the M5Stack DAC 2 I2C Unit (GP8413)
- 15-bit High-Precision DAC Output: Converts digital inputs into two distinct 0–5V or 0–10V analog outputs with unparalleled accuracy.
- I2C Communication (Default Address: 0x59): Ensures straightforward and dependable data transfer. Its unique 3-bit hardware address allows for multiple parallel connections, supporting up to 8 DAC2 Units on a single I2C bus.
- Superior Precision, Minimal Error: Achieves an outstanding 0.01% linearity and maintains a negligible output voltage error (0.2%), ensuring professional-grade analog signal integrity.
- Integrated Short-Circuit Protection: Safeguards the module by automatically disengaging the output if a short circuit occurs between the output pins and ground.
- Compact, Reliable, and Expandable Architecture: Designed for seamless integration and scalability in diverse IoT and industrial applications.
Communication Protocol
The M5Stack DAC 2 employs the robust I2C protocol, with a default address of 0x59. Its address configurability allows for the simultaneous operation of multiple DAC2 Units within complex systems, offering unparalleled flexibility for sophisticated designs.
Typical Applications for the DAC2 Unit
- General Digital-to-Analog Signal Conversion: Effortlessly transforms digital commands into precise analog voltages.
- Motor Speed Control: Enables granular motor control through adjustable analog voltage output.
- LED Dimming Control: Facilitates smooth and programmable brightness adjustments for various LED systems.
- Industrial Inverter and Power Supply Systems: Generates reliable analog reference signals for inverters and voltage regulators.
- Industrial Analog Signal Isolation: Boosts signal integrity and system stability with precise DAC outputs.
- Smart Factory and IoT Applications: Integrates accurate analog controls into automated industrial systems.
What's Included
- 1x DAC2 Unit
- 1x VH3.96-4P Connector
- 1x Sticker
Application Scenarios
- Universal signal conversion
- Motor speed regulation, LED dimming
- Inverter and power supply management
- Industrial analog signal isolation
Technical Specifications
| Category | Detail |
|---|---|
| DAC Chip | GP8413 |
| Resolution Ratio | 15Bit |
| I2C Serial Communication | 0x59 (default) |
| Maximum Output Voltage | 10V |
| Output Voltage Error | <0.2% |
| Output Voltage Linearity Error | 0.01% |
| Operating Temperature | 0-40°C |
| Product Size | 32 x 24 x 10.2mm |
| Package Size | 136 x 92 x 13.7mm |
| Product Weight | 5g |
| Package Weight | 13.3g |
FAQs – M5Stack DAC 2 I2C Unit (GP8413)
Q1: What communication protocol does the M5Stack DAC 2 Unit utilize?
A: The M5Stack DAC 2 Unit communicates via the I2C protocol, with a default address of 0x59. This facilitates straightforward connection and reliable data exchange with microcontrollers, such as the M5Core.
Q2: How many DAC2 Units can be interconnected within a single system?
A: Thanks to its 3-bit hardware address configuration, you can integrate up to 8 DAC2 Units in parallel on a single I2C bus, allowing for flexible and scalable system architectures.
Q3: What are the resolution and accuracy specifications for the M5Stack DAC 2 I2C Unit?
A: The DAC2 Unit offers a 15-bit digital-to-analog conversion, achieving an impressive 0.01% linearity and maintaining a minimal output voltage error of only 0.2%. This ensures high precision suitable for industrial and professional applications.
Q4: Does the DAC2 Unit incorporate any protective features?
A: Yes, the DAC2 Unit is equipped with short-circuit protection. In the event that the output pins are inadvertently shorted to ground, the module automatically activates a protection mode to prevent potential damage.
Q5: Which voltage ranges are supported by the DAC2 Unit?
A: The M5Stack DAC 2 can produce two independent analog voltages, either within the 0–5V or 0–10V range. This versatility makes it ideal for various applications, including motor speed control, LED dimming, and signal isolation.
Q6: What are some common applications for the M5Stack DAC 2 Unit?
A: Common applications include:
- Motor speed control
- LED brightness adjustment
- Signal conversion in industrial systems
- Power inverter reference signal generation
- Analog signal isolation in smart factories and IoT solutions
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
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Shipping address should be input in English without any special symbols to help the courier company recognize your address in the system. We will ship according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
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Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
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We can ship all in-stock orders within 1 business day as your order has been confirmed.
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All items are inspected before dispatch and are carefully hand-packed.
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With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
2. Shipping Options for Orders Inside U.S.
(For Products in the U.S. Warehouse, Shenzhen Warehouse)
2.1 Shipping options for an order value under $5 inside the U.S.
Shipping Options:
| Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
$9.99 Arrive in 3-7 Business Days |
$9.99 Arrive in 5-9 Business Days |
|
UPS Express |
$15.99 Arrive in 2-4 Business Days |
$19.99 Arrive in 3-7 Business Days |
2.2 Shipping options for an order value between $5 and $50 inside the U.S.
Shipping Options:
| Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
$5.99 Arrive in 3-7 Business Days |
$7.99 Arrive in 5-9 Business Days |
|
UPS Express |
$12.99 Arrive in 2-4 Business Days |
$15.99 Arrive in 3-7 Business Days |
2.3 Free shipping options for an order value of above $50 inside the U.S.:
| Free Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
Free above $50 | Free above $70 |
|
UPS Express |
+ $ 9.99 for Above $50 | + $ 12.99 for Above $50 |
Important Notice:
- Before placing your order, please check the inventory location on the product page to confirm the delivery timeframes.
- For products stored in the Shenzhen warehouse, we will ship them directly from Shenzhen, China.
- If you place an order for products from both the U.S. warehouse and the Shenzhen warehouse, we will ship your order separately: the products from the Shenzhen warehouse will be sent from Shenzhen, and the products from the U.S. warehouse will be sent from the U.S. warehouse.
3. International Warehouse
Our products are stored in both our U.S. and Shenzhen warehouses to provide more flexible logistics solutions tailored to different regions and customer needs. On each product's description page, we indicate the specific warehouse location to help you better plan your purchase and delivery schedule.
3.1 U.S. Warehouse
3.2 Chinese Warehouse
We will only arrange YunExpressexpress shipping from Shenzhen for orders with products in the Shenzhen warehouse worth more than €50. Orders directly shipped from our Shenzhen warehouse are handled by YunExpress. Given the complexities of international shipping, the estimated delivery time for these packages is around 10 business days, though this may vary slightly due to customs processes or other uncontrollable factors. Otherwise, the products will first be shipped from China to our U.S. warehouse and then shipped to the final destination.
4. Customs and Taxes
4.1 How are customs handled by OpenELAB for import or export?
We aim to minimize delays and ensure compliance, but OpenELAB does not guarantee exemption from U.S. customs charges.
4.2 Are U.S. sales taxes included when the Customer places an order?
If no sales tax is charged at the time of purchase, you may still be responsible for use tax according to your state’s tax laws. OpenELAB is committed to complying with the U.S. Supreme Court's decision in South Dakota v. Wayfair, Inc. and applicable local regulations.
4.3 Are there any other fees besides tax?
Please note that international shipments to the U.S. may occasionally incur customs clearance charges or carrier-imposed fees (e.g., by DHL, FedEx, or USPS). These charges are not controlled by OpenELAB and may vary based on the delivery carrier and U.S. import classification.
Effective Date: September 16th, 2025
At OpenELAB, we are committed to providing accurate product descriptions and delivering high-quality products. If you experience any issues with your purchase, please notify us within 30 days of the shipment date.
1. Warranty Disclaimer
Unless explicitly stated in a specific agreement or purchase order, OpenELAB makes no warranties—express or implied—regarding the fitness, suitability, or merchantability of any product for a particular purpose or special use.
2. Warranty Policy
Warranty Period
The standard warranty period for products sold by OpenELAB is 12 months from the date of delivery.
Under this warranty, OpenELAB will make a reasonable effort to repair or replace products free of charge if defects are due to issues with raw materials, design, or manufacturing.
If the defect qualifies under this policy but falls outside the covered scope, reasonable charges may apply for repair or replacement.
After the warranty period, support may still be available at a reasonable fee.
Warranty Exclusions
The warranty does not apply in the following cases:
- The product is beyond the 12-month warranty period.
- Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
- Issues caused by Force Majeure events (e.g., natural disasters, war, legal changes, etc.).
- Unauthorized repair attempts by the customer.
- The product is not defective but has been opened and is non-returnable by policy.
3. Returns & Refunds
If you're not satisfied with your purchase, you may be eligible for a return or exchange:
- Return for Refund: Within 15 days of receipt (unopened).
- Return for Replacement: Within 30 days of receipt (damaged or defective).
- Exchange Window: Up to 30 days from receipt.
Please email us at info@openelab.com for a return authorization before sending anything back.
Return Conditions
- Items must be in original, clean, and mint condition with packaging intact.
- Returns of damaged, used, scratched, modified, or programmed items will not be accepted.
- Include the receipt, a brief note with your name, order number, and reason for return.
Shipping & Fees
- Customers are responsible for return shipping to our warehouses in the US.
- If a return is requested due to customer reasons (e.g., change of mind, incorrect order, etc.), both the original shipping cost and the return shipping cost will be deducted from the refund amount.
- For returns due to customer reasons, we will generate and provide a return shipping label.
Payment Platform Fees
For all refunds requested due to customer reasons, a standard service fee will be deducted from the refund amount, which is charged by the payment platforms. The specific fees are as follows:
Shopify Payments: 2.9% + $ 0.3
PayPal: 4.4%
