Mini-Rambo 1.3 Mainboard Integrated Controller Board + 4pcs Heatsinks For Prusa i3 MK2 3D Printer

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Mini-Rambo 1.3 Mainboard Integrated Controller Board + 4pcs Heatsinks For Prusa i3 MK2 3D Printer

Available options:
**NOTE: Please let us know which option you want to receive via the message on checkout step (if there are multi options)


RAMBo (RepRap Arduino-compatible Mother Board) is an all in one RAMPS class motherboard targeting convenience, reliability, and performance.


- Arduino MEGA compatible Atmega2560 and Atmega32u2 processors are compatible with all RAMPS class firmware
- Crystals for both usb and mcu (timing accurate to 10ppm)
- 4 Thermistor jacks
- All extra pins broken out on both processors (allows using the 32u2 for LUFA AVR programmer, etc.)
- 2 channel SDRAMPS compatible SPI breakout

Motor Drivers
- 5 A4982 1/16th microstep motor drivers (A4984 1/8th prior to v1.1) (2 connectors on Z for Prusa Mendel and other dual Z printer designs)
- Digital Trimpot for stepper current control
- Current limit on driver IC VCC to prevent permanent latchup
- Microstep mode configured by MCU through firmware (no jumpers needed)
- Test points for driver control signals
- Step and Direction pins are on their own ports for synchronous movement capability
- Extra driver ports broke out for up to 3 additional drivers (some of the motor extension pins are shared with max endstop and a pin allocated for SPI-SS extensions)

PWM DC outputs (Extruders, Fans, Etc.)
- 6 outputs
- Low resistance mosfets for cool running
- Indicator led for each channel

- Three independent power rails for flexible input power configurations
- Heated Bed, 15A 12-24V (version earlier than 1.1 limted to 14A 16V due to fuse rating, see rambo_development for hacks)
- Extruders and fans, 5A 12-24V (fuse can be exchanged for up to 10A capacity) 10V-26V input voltage
- Motors, 5A 12-24V (fuse can be exchanged for up to 10A capacity) 10V-26V input voltage
- Built in SMPS for 5V generation

- 4 layer
- 2oz copper on all layers
- High quality, High temperature FR4-TG130 PCB
- Gold ENIG finishing

More info., please refer to

Package Included:

1x Mini-Rambo 1.3 Mainboard
1x USB cable
2x Terminal
4x Heatsinks


    • Brand TechDaddy
    • Mfg Part # TDBG1330858
Payment Methods
Shipping USPS, $1.99
Shipping Policy

We will arrange shipping for you within 3 days after payment cleared except the holidays.
- Estimated delivery time from date of shipment is 12-21 working days from our warehouse in China, over 80% of our customers receive the products within 20 working days (please note that these are estimates; post office and customs delays can occur, if so, please check the information at your local post office, if you still can not get the package, please contact us.
-We ship items to Worldwide.

Return/Exchange Policy

We accept return in 30 days

Other Policies


If you send email to us, In our working hours will be resumed within 24 hours.
If you we are not satisfied with the product or service, please contact me and don't give us negative or natural feedback. We must give you a satisfactory solution. Thank you!

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