HLK-M50 RDA5981 Wireless Serial WIFI Module for Smart Home IoT Replace ESP8266
- Stock: In Stock
- Model: EB0045494
- SKU: EB0045494
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Project | Parameters | |
| Memory System | Built-in RAM | 96K Bytes User SRAM 32K Bytes icache |
| Built-in Flash | Built-in 8Mbit flash | |
| Item | Parameter |
| GPIO | supports up to 17 GPIO ports, of which 16 can trigger interrupts |
| Serial performance | supports up to 2 serial ports, baud rate can be configured to 1200bps - 4Mbps |
| I2S Interface Features | Supports 2 I2S Interfaces; I2S Host BCLK Supports 96/192/384/512 / 44.1 / 88.2KHz; Supports 16/32 bit per channel, Data Format Configurable as 16/20 / 24bit or Software Configurable Maximum 24bit per channel) |
| I2C Interface Performance | Supports one I2C standard interface. Support master or slave operation. There are 3 standard speed modes: 1. Standard mode (<100Kb/s) 2. Fast mode (<400Kb/s) 3. High-speed mode (<3.4Mb/s) |
| PWM Interface Performance | Supports up to eight PWM interfaces; PWM cycle and duty cycle programmable, duty cycle can be configured between 0-100; cycle programmable, the software can choose a different clock to produce longcycles
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| SPI Interface | As the SPI host, up to 4 SPI slave; SPI clock programmable and maximum 20Mhz; data length can be configured by software, the maximum 64bit; |
| SDMMC Interface | Support 1 SDMMC interface |
| USB Interface | Support 1 USB interface |
Shipping Time
After you successfully placed an order at RenhotecIC.com, you will receive a confirmation email with your invoice. Once your order is shipped, you will be emailed with the tracking information of your package. Also, you can choose your preferred shipping method during the checkout process. Kindly advise: please select DHL/FedEx if you need our product urgently.
The timeline of the whole shipping process is shown below:
The total delivery time is calculated from the time your order is successfully placed to the time received. Total delivery time is broken down into processing time and shipping time.
Processing time: The time it takes to prepare your item(s), includes preparing your items, performing quality inspections, and packaging for shipment. Normally, the processing time is 1-3 days (Only include Monday to Saturday ) after getting your order.
Shipping time: The time for your item(s) to travel from our warehouse to your destination. The shipping time depends on the shipping method you chose. Please refer to the shipping rate section for details.
Shipping Rates
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
| Shipping Method | Shipping Rates | Shipping Times |
| Flat Shipping (Promotion) | $10 | About 5-30 Working Days to Worldwide (Only include Monday to Saturday ) |
Standard Express（0.5KG starting price listed） | Based On Weights | About 5-15 Working Days to Worldwide (Only include Monday to Saturday ) |
Priority Express （0.5KG starting price listed） | Based On Weights | About 3-7 Working Days to Worldwide (Only include Monday to Saturday ) |
In addition, the transit time depends on where you're located, the shipping method you choose, and where your package comes from. We will keep you informed of any problems here to help you get your order as soon as possible.
If you want to know more information, please contact the customer service by contact form or sales@renhotecic.com. We will settle your problem as soon as possible. Enjoy shopping!
