Project Description
Raspberry Pi 4B/3B+/3B/Zero 2-Channel Expansion HAT And SPI To RS232 Serial Port Module with Onboard Protect Circuits
FOB Reference Price
$15.5 – $17.8/ Piece | 5 Piece/Pieces (Min. Order)
Lead Time
| Quantity(Pieces) | 10- 100 | >100 |
|---|---|---|
| Est. Time(days) | 3 | Negotiable |
Payment: L/C, T/T, Western Union, MoneyGram, Paypal payments
Quick Details
| Item Name: | Raspberry Pi 4B/3B+/3B/Zero 2-Channel Expansion HAT And SPI To RS232 Serial Port Module with Onboard Protect Circuits | Model No.: | MD-RPME34-18 |
|---|---|---|---|
| Brand: | MaidaTech | Material: | PCB |
| Style: | expansion board | Compatible: | Raspberry Pi 4B/3B+/0 |
| Original: | China( Mainland) | Size: | -- |
| Products catalogue | Raspberry Pi 4b Modules & Expansion Boards | Customization: | Logo/ Graphic/packaging |
| package | paper box package or custom | MOQ | 5 pcs |
More Details
Name: Raspberry Pi 4B/3B+/3B/Zero 2-Channel Expansion HAT And SPI To RS232 Serial Port Module with Onboard Protect Circuits
Product details
Overview:
Introducing a specialized 2-channel isolated RS232 expansion HAT designed exclusively for Raspberry Pi. This HAT utilizes the SC16IS752+SP3232 solution and incorporates a range of protection circuits, including power supply isolation, ADI magnetical isolation, and TVS diodes, to ensure enhanced performance and durability.
Controlling the 2-channel RS232 interface via SPI is straightforward, making it an exceptional choice for applications in the realm of industrial automation. Its attributes, including rapid communication, stability, reliability, and safety features, make it the ideal solution.
Key Features:
- Equipped with the standard Raspberry Pi 40PIN GPIO extension header, ensuring compatibility with a variety of Raspberry Pi boards.
- Utilizes the SC16IS752+SP3232 dual-chip combination, enabling SPI-to-RS232 conversion with data rates of up to 921,600 bps.
- Incorporates onboard TVS (Transient Voltage Suppressor) protection, effectively mitigating surge voltage and transient spikes in the circuit, rendering it lightning-proof and anti-electrostatic.
- Features onboard LEDs to indicate power status and transceiver operation.
- Includes comprehensive development resources and a manual with examples in both C and Python.
Specifications:
- UART Expansion Chip: SC16IS752
- RS232 Transceiver: SP3232
- Communication Interface: SPI
- Data Rate: 300 to 921,600 bps
- Operating Voltage: 3.3V / 5V
- Dimensions: 65mm × 56.5mm
- Mounting Hole Size: 3.0mm
On-Board Components:
- SC16IS752 UART Expansion Chip
- SP3232 RS232 Transceiver
- ADUM1412 Digital Isolator
- B0505LS Power Supply Isolation Module
- RT9193-33 Power Chip
- Raspberry Pi GPIO Connector: For seamless connection to Raspberry Pi
- RS232 Connector: Provides 2-channel RS232 interfaces (RS232 9PIN male)
- Transient Suppress Diode Array
- ESD Protection Two-Way Diode
- Serial Port Status Indicators:
- RXD1/TXD1: Channel 1 Transceiver Indicator
- RXD2/TXD2: Channel 2 Transceiver Indicator
- Power Indicator
- Interrupt Pin Switch:
- The interrupt pin IRQ is connected to P5 (BCM P24) by default
- Can be modified via a 0-ohm resistor
This 2-channel Isolated RS232 Expansion HAT for Raspberry Pi is designed to meet the needs of various applications, particularly in the field of industrial automation, offering robust performance and protection.

Raspberry Pi 4B/3B+/3B/Zero 2-Channel Expansion HAT And SPI To RS232 Serial Port Module with Onboard Protect Circuits
● Introduction:
High-Quality Raspberry Pi 4B/3B+/3B/Zero 2-Channel Expansion HAT And SPI To RS232 Serial Port Module with Onboard Protect Circuits
● FOB Reference Price
$15.5 – $17.8/ Piece | 5 pieces/ Piece (Min. Order)
>>Request a sample<<
● Lead Time:
| Quantity(Pieces) | 10- 100 | >100 |
|---|---|---|
| Est. Time(days) | 3 | Negotiable |
● Customization:
| Customization | Customized logo | Customized packaging | Graphic customization |
|---|---|---|---|
| Quantity(Pieces) | 200 | 500 | 2000 |
● Package & Delivery
| package | opp plastic clear bag, then into a carton |
|---|---|
| shipping way | sample: air express or China post /mass products: by air express or by sea |
● Payment:
L/C, T/T, Western Union, MoneyGram, Paypal payments
COMPANY
| Business Type | Manufacturer, Trading Company | Location | Guangdong, China (Mainland) |
|---|---|---|---|
| Main Products | Arduino UNO, Raspberry Pi kit, 3D Printer components and accessories | Total Employees | 51 - 100 People |
| Total Annual Revenue | US$5 Million - US$8 Million | Year Established | 2014 |
| Main Markets | North America 30.00% Western Europe 20.00%Domestic Market 12.00%Eastern Asia 10% Domestic Market 12.00% |
Trademarks | MaidaTech |
PRODUCTS CERTIFICATIONS
PRODUCT CAPACITY
Factory Information
| Factory Size | 5,000-10,000 square meters |
|---|---|
| No. of Production Lines | 8 |
| Annual Output Value | US$5 Million – US$8 Million |
| Contract Manufacturing | OEM Service /Design Service/ Buyer Label Offered |
BUSINESS TERMS
| Accepted Delivery Terms | FOB, CIF, EXW, Express Delivery |
|---|---|
| Accepted Payment Currency | USD |
| Accepted Payment Type | T/T, L/C, PayPal, Western Union, Cash |
| Nearest Port | Shenzhen Port, Guangzhou Port, Hongkong Port |













