# Motherboard Bigtreetech Octopus Pro V1.0.1 STM32F429ZGT6 for 3D printers

**URL:** https://aio.lv/en/product--bigtreetech-btt-20840--11731060
**Data updated:** 2026-03-08 13:23 (EET)
**Category:** Printer & Copier Parts
**Manufacturer:** Bigtreetech
**Manufacturer code:** BTT-20840
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 84.49 €
**Prices and availability valid until:** 2026-08-15 23:59
**Price without VAT (21%):** 69.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bigtreetech-btt-20840--11731060

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 05.08.2026 | free |
| Pickup points | 10.08.2026 | 1.79 EUR |
| Courier delivery to door | 10.08.2026 | 4.99 EUR |

## Summary description

Bigtreetech Octopus Pro V1.0.1 is a 3D printer mainboard based on the STM32F429ZGT6 microcontroller. Designed to control multi-axis FDM printers, it provides connections for stepper drivers, endstops, heaters, thermistors, fans and display interfaces. Suitable for firmware customization and advanced motion control in DIY and professional printer upgrades.

## Long description

The Bigtreetech Octopus Pro V1.0.1 STM32F429ZGT6 for 3D printers is a multi-function mainboard intended for FDM machines that require advanced motion control and flexible I/O. Built around the STM32F429ZGT6 microcontroller, this board provides numerous stepper motor outputs, endstop and probe inputs, heater and thermistor channels, fan headers and multiple display interfaces. Its design supports firmware customization and a range of expansion options, making it suitable for DIY printer builds and professional upgrades where multiple axes, independent extruders or additional peripherals are needed.
Advantages
The board offers a wide set of connectivity options and a powerful MCU that enable high-speed step generation and responsive peripheral control. Versatile driver sockets and configurable endstop inputs simplify integration with common stepper drivers and sensors. Integrated heater and thermistor channels support typical hotend and heated bed setups, while multiple fan headers accommodate part and hotend cooling. Display and SD support allow local control and monitoring without relying solely on host-side software. The overall architecture emphasizes expandability and firmware adaptability for customized motion profiles and advanced features.
Suitable for
 Multi-axis FDM printers with independent extruders
 Custom or upgraded printers requiring additional I/O and peripherals
 Firmware development and advanced motion tuning
 Enclosures with multiple fans and heater channels
Key specifications
 Microcontroller: ARM Cortex-based STM32F429 series
 Stepper motor connections: multiple full-featured stepper driver sockets supporting common stepper modules
 Endstop and probe inputs: several configurable digital inputs for mechanical or optical endstops and probes
 Heater outputs: dedicated MOSFET-controlled channels for hotend and heated bed
 Thermistor/temperature inputs: multiple analog inputs for thermistors or other temperature sensors
 Fan headers: several PWM-capable fan outputs for part and hotend cooling
 Display interfaces: connectors for common LCD/graphic displays and SD card support for standalone operation
 Expansion: GPIO and serial interfaces for additional modules such as filament runout sensors, BLTouch-style probes, or external drivers
How to use
Install the mainboard into the printer chassis and connect stepper motors, heaters, thermistors, endstops and fans according to the printer wiring diagram and the board silk markings. Select and install compatible stepper driver modules into the driver sockets if required. Load firmware that supports the board and your printer configuration, then configure axis steps, motor currents, thermistor types and safety parameters. Verify all heater and temperature readings before first heat-up and perform a controlled calibration routine for axis movement and extruder extrusion.
Usage recommendations
Use firmware that explicitly lists support for the Octopus Pro V1.0.1 or configure a compatible STM32F4-based board profile to ensure correct pin mappings. Apply appropriate cooling to stepper drivers and set motor currents gradually while monitoring temperatures. Always validate thermistor readings at room temperature and check endstop behavior before sending motion commands.

## FAQ

### How much does the Bigtreetech Octopus Pro V1.0.1 motherboard cost, and is it available for purchase?

The price is 84.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 05.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Bigtreetech Octopus Pro V1.0.1 motherboard be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Bigtreetech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Bigtreetech service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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