High-speed Isolation USB To TTL Serial Module Power Isolation Optocoupler Isolation 3.3V 5V TTL Output CH340 Module
1. Onboard 500mA self-recovery fuse and 5V isolated power supply module to protect the computer from damage
2. Onboard stable CH340T USB to serial chip
3. Serial TTL level through the optocoupler isolation, fast (up to 921600bps), high reliability
4. Output TX RX end with protection diode function, can improve the impact resistance
5. Computer USB end and serial port output end realize complete electrical isolation
6. Output TTL level can be set to 3.3V / 5V
7. Serial output maximum output current of 150mA
8. The board size: 55x26mm
Feature:
- 3.3V, 5V: Output supply voltage and TTL level switching pin
- VCC, GND: Power supply output pin
- The TX, RX, GND and VCC pins of the serial port module are connected to the RX, TX, GND, and VCC pins of the user equipment.
When the isolated serial port module VCC pin with a jumper cap 5V, the output 5V TTL level and power supply voltage;
while VCC pin with 3.3V jumper cap, the output level of 3.3V TTL and power supply voltage. The following is an example of using
the isolated serial interface module to debug the 3.3V ESP8266 module (With the jumper cap to isolate the serial port module
VCC and 3.3V shorted, isolated serial port module TX, RX, GND, VCC respectively ESP8266 RX, TX, GND, VCC), as the picture shows:
The background description of using Isolated serial port module:
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- Description
Optical isolation USB to TTL Serial Module Equipped with CH340T USB to serial chip, achieved the power and TTL signal isolation,
High-speed and stability, it could avoid the damage of USB and computer blue screen or other issues while use the USB to TTL
serial port module, due to improper operation or other external impact on the computer , could improve the safety of debugging.
The function and Package includes:
1 x High-speed Isolation USB To TTL Serial Module
- Reviews (29)
- All(29)
- 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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