Giới thiệu Bảng Mạch Mở Rộng V3 Cho Máy In 3d Uno R3
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Features: CNC V3 Board: Detachable A4988 compatible stepper drive. The expansion board can be used for the engraving machine and the 3 d printer driver expansion board. GRBL 0.8 compatible. Open source firmware running for Arduino UNO, converting G code commands to step signals. PWM spindle and direction pins, 4-axis support (X, Y, Z, A- can copy X, Y, Z or make a complete 4th axis, using custom firmware, using pins D12 and D13). Compact design. The stepper motor can be connected or soldered into place with a 4-pin molex connector. Please note that this is an unassembled kit that requires basic welding skills. A4988 Stepper Motor Driver: A mixer with a slow current decay mode. Internal UVLO and low RDS (on) output. Automatic current decay mode detection/selection. Synchronous rectification, low power consumption. Warning: Connecting or disconnecting the stepper motor while the drive is powered may damage the drive.
Specifications: CNC V3 Board: Color: Red Voltage: DC 12~36 V (At this time, only the DRV8825 driver can handle voltages up to 36V, so please consider the operating voltage when powering the board.) A4988 Stepper Motor Driver: Color: Red Thermal shutdown circuit: yes Cross current protection: yes Ground fault protection: yes Load short circuit protection: yes Compatible logic supplies: 3.3V and 5 V UNO R3 Board: Single chip microcomputer: ATmega328 Clock speed: 16 MHz USB interface: ATmega16U2 Operating voltage: 5 V I-I / O pin output current: up to 40 mA 3.3 V output current: up to 150 mA Digital I/O pins: 14 (including 6 PWM-capable pins) Analog input pin: 6 EEPROM: 1 kB Static RAM (SRAM): 2 kB Flash: 32 kB
Package List: 1 * UNO R3 Board 1 * CNC Shield V3 Expansion Board 4 * A4988 Stepper Motor Driver 1 * 40-way Pin 1 * USB Cable