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.
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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 & Rates (United States)
(For Products in the US Warehouse & Global Warehouse)
2.1 Continental U.S. (50 States)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 3-7 Business Days |
| USPS Ground Advantage | $5.00 - $50.00 | $5.99 | 3-7 Business Days |
| USPS Ground Advantage | Over $50.00 | Free | 3-7 Business Days |
|
USPS Priority Mail (Faster Option) |
$0.00 - $50.00 | $19.99 | 1-4 Business Days |
| USPS Priority Mail | Over $50.00 | $17.59 | 1-4 Business Days |
2.2 Non-Continental U.S.
(Includes Alaska, Hawaii, Puerto Rico, Guam, Virgin Islands, etc.)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 5-9 Business Days |
| USPS Ground Advantage | $5.00 - $70.00 | $7.99 | 5-9 Business Days |
| USPS Ground Advantage | Over $70.00 | Free | 5-9 Business Days |
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 Global Warehouse (Shenzhen), we will ship them directly from China.
- If you place an order for products from both the U.S. warehouse and the Global warehouse, we will ship your order separately: the products from the Global warehouse will be sent from China, and the products from the U.S. warehouse will be sent from the U.S. warehouse.
3. Warehouse Locations
Our products are stored in both our U.S. and Global warehouses to provide more flexible logistics solutions. On each product's description page, we indicate the specific warehouse location.
3.1 U.S. Warehouse
For products stored here, we use USPS for shipping. Logistics within U.S. are very efficient, with an estimated delivery time of 3-7 business days.
3.2 Global Warehouse (China)
Located in Shenzhen, Guangdong.
For orders shipping from our Global Warehouse, we typically use YunExpress. Given the complexities of international shipping, the estimated delivery time is around 10 business days, though this may vary due to customs processes.
4. Customs and Taxes
Effective Date: December 10, 2025
At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.
1. Warranty Policy
A. Standard Limited Warranty (Global & US)
For customers in the United States, Asia, and other non-EU regions:
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Warranty Period: OpenELAB provides a 12-month warranty from the date of delivery.
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Coverage: This warranty covers defects in material and workmanship under normal use.
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Resolution: We will repair or replace defective units at no charge.
B. Statutory Rights for EU/UK Customers (EU Compliance)
If you are a consumer residing in the European Union or the UK purchasing from our global site:
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Statutory Guarantee: You are entitled to a 24-month statutory guarantee for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.
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Relation: The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.
C. Warranty Exclusions (Applies to ALL Regions)
Warranty coverage is VOID if the damage is caused by:
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Misuse: Incorrect installation, reverse polarity, or exceeding voltage limits.
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Unauthorized Modification: This explicitly includes soldering, cutting pins, modifying the PCB, or flashing unauthorized/beta firmware that "bricks" the device.
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Physical Damage: Drops, moisture/water damage, or electrical surges (lightning).
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Normal Wear & Tear: Consumable parts (e.g., batteries), unless defective upon arrival.
Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.
2. Return & Refund Policy
A. Return Window
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Standard: You may request a return within 30 days of receiving your order.
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EU Customers: You have the statutory right to withdraw from the contract within 14 days of receipt without giving a reason.
B. Refund Conditions & Restocking Fees
To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.
1. Full Refund (100%)
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The item is Brand New, Unopened, and Unused.
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The original packaging is intact and sealed.
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All accessories are present.
2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct a Restocking Fee (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:
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Signs of Use: Visible scratches, mounting marks on screw holes, or fingerprints.
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Damaged Packaging: Original box is torn, written on, or missing.
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Technical Modification: The device has been powered on, programmed/flashed, or soldered.
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Broken Seals: Anti-static bags or security seals have been opened.
Depending on the severity of the usage/damage, the deduction may range from 15% to 50% of the product price. Items damaged beyond repair due to misuse will not be refunded.
C. Shipping Costs
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Defective / Wrong Item: OpenELAB covers the return shipping cost.
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Customer Remorse (Changed Mind / Ordered Wrong Item): The customer is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.
3. Return Process (RMA)
To ensure a smooth return process, please follow these steps:
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Authorization: Contact us at info@openelab.io before returning any item. Returns without prior authorization will not be accepted.
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RMA Number: We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.
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Packing: Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).
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Tracking: We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.
