HLK-M50 RDA5981 Wireless Serial WIFI Module for Smart Home IoT Replace ESP8266
- Description
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Project |
Parameters |
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Memory System |
Built-in RAM |
96K Bytes User SRAM 32K Bytes icache |
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Built-in Flash |
Built-in 8Mbit flash |
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Item |
Parameter |
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GPIO |
supports up to 17 GPIO ports, of which 16 can trigger interrupts |
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Serial performance |
supports up to 2 serial ports, baud rate can be configured to 1200bps - 4Mbps |
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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) |
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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) |
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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; |
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SDMMC Interface |
Support 1 SDMMC interface |
|
USB Interface |
Support 1 USB interface |
- Reviews (28)
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comment
- Q & A
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: Where is the origin of Elecbee products? Are they certificated?2023-03-03
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Answer:
Elecbee has long-term cooperation agreements with the OEM factories in China. So that we are able to reduce the intermediate channel cost, and help you save money. Our products are all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality.
2023-03-03
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: What forms of payment do you accept?2023-03-03
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Answer:
Our main payment methods include Paypal, Credit Cards, Debit Cards, Bank Transfer, and more to discover. Please choose the payment methods in your favor.
2023-03-03
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: When will you arrange shipment?2023-03-03
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Answer:
After confirming receipt of your payment. We will arrange the delivery as soon as possible and upload the courier number to the website for you to track.
2023-03-03
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: How to exchange or return?2023-03-03
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Answer:
1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and the product is in its original condition. We will arrange your refund according to the relevant provisions once the package is received.
2. Return process: You Apply for a Return - Approve the Return - Arrange a Return - Receive the Products and make Inspection - We arrange a Refund;
3. We will bear the freight charges for returns caused by us, for instance, the quality problem. As to returns caused by the buyer, the buyer should be responsible for the shipping fee.
2023-03-03
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