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Help CenterFactory Direct Selling HOT Serial Board Module Port IIC/I2C/TWI/SPI Interface Module For 1602 LCD Display
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Factory Direct Selling HOT Serial Board Module Port IIC/I2C/TWI/SPI Interface Module For 1602 LCD Display
Description:
The IIC I2C 1602 LCD display use PCF8574 IC for control and drive IC , it use REMOTE 8-BIT I/O EXPANDER FOR I2C BUS,
Feature:
1. Low Standby-Current Consumption of 10 mA Max
2. I2C to Parallel-Port Expander
3. Open-Drain Interrupt Output
4. Compatible With Most Microcontrollers
5. Latched Outputs With High-Current Drive
6. Capability for Directly Driving LEDs
7. Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
DESCRIPTION/ORDERING INFORMATION
This 8-bit input/output (I/O) expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 6-V VCC
operation.
The PCF8574 provides general-purpose remote I/O expansion for most microcontroller families via the I2C
interface [serial clock (SCL), serial data (SDA)].
The device features an 8-bit quasi-bidirectional I/O port (P0–P7), including latched outputs with high-current drive
capability for directly driving LEDs. Each quasi-bidirectional I/O can be used as an input or output without the use
of a data-direction control signal. At power on, the I/Os are high. In this mode, only a current source to VCC is
active. An additional strong pullup to VCC allows fast rising edges into heavily loaded outputs. This device turns
on when an output is written high and is switched off by the negative edge of SCL. The I/Os should be high
before being used as inputs.
1. Payment term: T/T 30% deposit after order confirmed, the balance after goods ready before shipping or Western Union for small amount .
2. Lead time : Normally in 7~15 days after deposit received
3. Sample policy : Samples are always availble for each model.Samples can be ready within 7 days once payment received .
4. Shipping port: HongKong/Shenzhen , China
5. Discounts : We offer discount for big quantity.
| Q1. How can we know the product quality? |
| A1: We suggest you to order a sample. Also, you can send us email for detail photos for checking if you cannot get enough information in the product page. |
| Q2. Is it the final price in the price list? |
| A2: You can find reference prices in the price list. According to your quantity and models, we will offer you a best price. |
| Q3. When can we get reply after sending you the RFQ? |
| A3: Our working time is 9:30am. - 6:30pm. , Monday to Saturday. Your RFQ will be replied immediately during working time, in 24hours during non-working time. |
| Q4. Can I get free samples? |
| A4: Yes, some samples are free for customer, but you need to pay for the express fee. For details please send message to our sales service. |
| Q5. Can we get support if we have our own market position? |
| A5: Please inform us your detailed mind on your market demand, we will discuss and propose helpful suggestion for you, to find the best solution for you. |
| Q6. Is there cheap shipping cost to import to our country? |
| A6: For small order, express will be faster but the shipping cost will be expensive, post air mail will be cheaper but will take 1-2 month of shipping time. And for bulk order, sea shipping way is best but take much time. For urgent orders, we suggest via air to airport plus our ship partner send to your door. |
| Q7. Can you offer OEM/printing logo on samples? |
| A7: Yes, but prices is different according to different logo styles such as letters, photo, size, colors and so on. For more detail please send message to our sales service. |
| Q8. Can we visit your factory? |
| A8: Yes. Due to too many visiting requirements, you need to make an appointment with our sales service. Customers who have placed an ordered will have priority. |
| Q9. Can you provide us product’s pictures? |
| A9: Yes, for online resellers we will provide you the product’s pictures. However, you need to send us your webpage or place an order from us. |
| Q10. What is the Warranty for your products? |
| A10: One year warranty for all electronic products. If any quality problems on our side occured in this period, we will take on the shipping cost and replacement. |
| Q11. How to order? |
| A11: |
| 1. Tell us which models,Quantitiy,color you want to order |
| 2. We will make PI(performa invoice) for your order to confirm |
| 3. Checking the PI, we will delivery the goods ASAP when we receive your payment. And the shipping cost is depending on the weight. |
Basic Information:
Product/Service(We Sell) : 3D Printer Accessories
Number of Employees : 20-80 people
Factory Information:
Number of R&D Staff : 5-10 people
Number of QC Staff : 11-20 people
Our Service:
1. For all your inquires about us or our products, we will reply you in detail within 24 hours.
2. We own well-traned and passional sales after sale services who can speak fluent Engligh language.
3. We offer OEM services. Can print your own logo on product , can customize the retail box packing and other things.
Thanks for reading. If you need more information or better quotation, please feel free to contact us.
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