Mini-Rambo 1.3 Mainboard Integrated Controller Board + 4pcs Heatsinks For Prusa i3 MK2 3D Printer
$103.58
Description: RAMBo (RepRap -compatible Mother Board) is an all in one RAMPS class motherboard targeting convenience, reliability, and performance. Features: Logic - 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...
Description: RAMBo (RepRap -compatible Mother Board) is an all in one RAMPS class motherboard targeting convenience, reliability, and performance. Features: Logic
- 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
Package Included: 1x Mini-Rambo 1.3 Mainboard 1x USB cable 2x Terminal 4x Heatsinks Power
- 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
PCB
- 4 layer
- 2oz copper on all layers
- High quality, High temperature FR4-TG130 PCB
- Gold ENIG finishing More info., please refer to