Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | STM32F407ZGT6 ARM Cortex-M4 |
| Operating Voltage | 5V DC Input / 3.3V Logic |
| Digital Inputs (DI) | 16 Channels Opto-isolated |
| Digital Outputs (DO) | 16 Channels Relay Output |
| Communication Protocol | MODBUS RTU over RS485 |
| Interface Ports | USB, JTAG/SWD, Ethernet RJ45 |
| Mounting Style | DIN Rail Compatible |
| Operating Temperature | -20°C to +70°C |
| PCB Dimensions | 120mm x 90mm x 25mm |
| Application Scope | Industrial Automation, Robotics, PLC Learning |
Anonymous
Mar 31, 2026
Rating: 5/5
Excellent learning tool for embedded systems
As a student learning about industrial control, this board bridges the gap between theory and practice perfectly. The STM32F4 chip is powerful enough for complex logic tasks.
Anonymous
Mar 22, 2026
Rating: 4/5
Great value but documentation could be better
Hardware quality is solid and the relay outputs handle the load well. I deducted one star because the pinout diagram in the manual was slightly unclear, but the community forums helped me sort it out.
Anonymous
Mar 09, 2026
Rating: 5/5
High quality components
You can tell the capacitors and connectors are high grade. The PCB layout is clean with good separation between high voltage and logic sections. Highly recommended for serious developers.
Anonymous
Mar 09, 2026
Rating: 5/5
Robust industrial performance
Been running this board in a noisy industrial environment for three weeks now without a single glitch. The DIN rail mount is sturdy and the RS485 communication is very stable.
Anonymous
Mar 05, 2026
Rating: 5/5
Perfect for custom PLC projects
This board is exactly what I needed for my factory automation prototype. The opto-isolation on the inputs works flawlessly, and the MODBUS implementation was easy to configure using the provided libraries.
Anonymous
Mar 01, 2026
Rating: 4/5
Reliable replacement for legacy modules
We used these to replace some aging proprietary modules in our conveyor system. They fit well and the programming interface is standard. Shipping took a bit longer than expected.
Q: Does this board come with pre-installed firmware or is it blank?
A: The board ships with a basic bootloader and a demo program to test IO functionality. You will need to flash your own application code for specific tasks using an ST-Link debugger.
Q: Can the relay outputs switch 220V AC loads?
A: Yes, the relay outputs are rated for up to 250V AC at 5A. Please ensure you follow all local safety regulations when wiring high-voltage circuits.
Q: Does this support Ethernet TCP/IP MODBUS as well?
A: This specific model focuses on MODBUS RTU over RS485. While it has an Ethernet port, it is currently reserved for future firmware updates and does not support MODBUS TCP out of the box.
Q: What is the maximum baud rate supported for MODBUS RTU?
A: The hardware supports baud rates up to 115200 bps, though 9600 and 19200 are most commonly used for stability in long-distance industrial cabling.
Q: Is there a library available for Arduino IDE?
A: Yes, we provide a compatible library package for the Arduino IDE that simplifies reading DI states and controlling DO relays. It can be downloaded from our GitHub repository linked in the product manual.
Children's Art Supplies Sponge Paint Brush Graffiti Painting Tool Mushroom Head Stamp Student Craft Rubbing Stick Set
$4.10
Fresh Milk Production Line for Ranch Yak Milk Camel Milk Processing Equipment Bagged Milk Filling Machine
$9,330.00
Multi-Function Car Tire Stone Removal Hook with Built-in Screwdriver - Portable Cleaning Tool for Easy Debris Extraction by Car Owners
$13.24
Ouyang Xun Jiucheng Palace Regular Script, Yan Zhenqing Duobaota Pagoda Style, and Tian Yingzhang Regular Script Card Series for Brush Calligraphy Practice
$9.90
![[Pre-order Deposit Neo Eden Toys] Mengji Sweetheart Series Action Figure Blind Box](https://www.gosteppe.com/cache/small/product/269878/legacy-main-2c0235d7a3357d5860e527cd.webp)
[Pre-order Deposit Neo Eden Toys] Mengji Sweetheart Series Action Figure Blind Box
$59.00
Cute Embossed Cartoon Drawstring Bag - Dust-Proof, Portable, Multi-Function Fabric Pouch for Cosmetics
$2.98
Three-Wheel Industrial Vacuum Cleaner - Compact Electric Industrial Vacuum Cart
$2,596.00
ABB DC Drive DCS800-S02-2000-05 – Brand New, Original, Authorized Distributor
$1.53
Automatic Retractable Air Hose Reel with PU Sand-Embedded Hose for Auto Repair and Detailing Pneumatic Tools
$157.00
Blower Motor and AC Fan Blade for JMC Pickup Qiling T3/T5/T7 and Qiling T100
$93.00
9-Inch Industrial Microfiber Cleaning Cloth for LCD Screens and Lenses - Class 100 Dust-Free Wipe
$112.00
Dual-Tip Colored Oil-Based Marker Set for Drawing, Design, and Hand Sketching
$9.15
Podragon Waterproof Waist Bag for Diving, Snorkeling, Swimming, and Surfing - Large Capacity Airtight Zipper Phone Pouch for Rafting and Trekking
$399.00
Stainless Steel Countertop Food Warmer Display Case for Fried Chicken, Egg Tarts, Burgers, and Pies
$595.00
Custom Company Sign KT Board Bank Account Opening Plaque Stainless Steel Door Plate PVC Simple Signboard Acrylic Advertising Board
$17.00
New Travel Portable Water Bottle Sleeve, Crossbody Bag for Coins, Keys, and Phone, Single Bottle Pouch for Cycling and Fitness
$20.00
Useless Genius Autumn Forest Animal Plant Bird Butterfly Handmade Pottery Ceramic Stamp Clay Mold
$8.80
Underbite Corrector Storage Case for Children - Portable Box with Lanyard for Frankel Appliance and TB Expander
$14.33
Wilderness Old Blacksmith EDC Storage Box - Small Shockproof, Waterproof, and Moisture-Proof Case with Foam Insert
$29.90
Manufacturer Sales Fully Automatic Pasteurization Production Line Vegetable Blanching Equipment Bottled Milk Sterilization Line
$12,740.00
Pomegranate Juice Grape Juice Pasteurization Tank Orange Juice Apple Juice Sterilizer Complete Mare's Milk Pasteurized Milk Production Line
$6,048.00
Ouyang Style Medium Regular Script: 52 Ancient Poems on Xuan Paper Large Character Copybook for Beginners - Ink-Blot Resistant
$12.00
Honeywell 7950 Phase Change Pad Thailand Import Laptop CPU GPU Thermal Interface Material Heat Sink Paste
$14.80
Calligraphy Arm Rest Felt Pad - Mini Brocade Felt Hand Rest for Chinese Painting and Calligraphy Practice, Inkstone Mat by Meilin Brush Studio
$7.48
Trail Running Silicone Hydration Bladder - Foldable 500ML Pocket Water Bag for Hiking and Outdoor Sports
$22.00
Steel Wheel Lug Nuts for Car Modification, Compatible with Civic, Mazda6, Reiz, Sylphy, Extended External Hex Nut Caps
$75.55
Mobile Gantry Crane – Manual Push-Run Small Home Hoist (1/2/3/5 Ton)
$1,244.00
Taiwan Ginger Shredder - Multi-Function Stainless Steel Slicer for Potatoes, Carrots, and Ginger
$5,200.00
Iers Electric Airbrush/Marker Pen Wireless Handheld Portable for Gundam Model Painting
$322.00
Commercial Glass Food Warmer Display Case for Egg Tarts, Hamburgers, Fried Chicken, and Youtiao - Countertop Heating Cabinet for Catering
$1,795.00
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
