This is Mega Pololu Shield or RAMPS for short. The 3D Printer Controller Board RAMPS 1.4 is designed to fit the entire electronics needed for a RepRap in one small package for low cost. RAMPS interfaces an Arduino Mega with the powerful Arduino MEGA platform and has plenty of room for expansion..
D-type pulleys are produced by high-precision automatic lathe machining, with machining error within 0.005mm. The bearings we use are high quality 625ZZ Bearings. The features and advantages include: Smooth motion, low noise, high printing precision, can greatly improve the printing speed. Package I..
IGTREETECH Octopus Pro V1.0 Control Board/ Mainboard【Main Control Chip】The main control board uses 32-bit ARM-level Cortex-M4 series STM32F429ZE / STM32F446ZE chip with a frequency of up to 168MHz and the flash is 1MB.【Support 60V Input】Supports up to 8 3D printer motherboards with a maxim..
BTT EXP-MOT V1.0 is a driver expansion module,which can be used on the motherboard with EXP interface, so as to expand three available drivers.Application scope of module：Any motherboard with EXP1 + EXP2 reserved can be plugged in and used, such as：BIGTREETECH SKR V1.3、BIGTREETECH SKR..
Features:1) 32-bit 480MHz ARM-class Cortex-M7 series main control chip STM32H743VIT6, with better performance.2) With power supply chip TPS5450-5A, DC12/24V power input, output current up to 5A/ 6A, perfect power supply for Raspberry Pi3) Works with all serial screen, SPI screen and LCD screen..