5Pcs Ultra Quiet DC24V Cooling Fan

$27.00 ~~$53.99~~

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Category : Electronics

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Introduction:
This product features Mega 2560, Ramps 1.4, Limit Switch Parameters, an LCD 12864 control panel, and an A4988 Driver. The specifics of each are detailed below.

Mega 2560:

Microcontrollers: ATmega2560
Operating voltage: 5 V
Recommended Input voltage: 7-12 V
Input voltage limits: 6-20 V
Digital pins I/O: 54 (includes 14 with PWM output)
Analog input pins: 16
DC current per I/O pin: 40 mA
DC current for 3.3 V pin: 50 mA
Flash Memory: 256 KB (4 KB occupied by bootloader)
SRAM: 8 KB
EEPROM: 4 KB

Ramps 1.4 Specifications:

Contains MOSFET outputs and three thermistor circuits
5A additional integrated safety and component protection
11a heating bed control fuse
5 Pololu step by step
I2C and SPI for future expansion
MOSFETs connected to PWM for versatility
Gold plated 3A SERVO connectors for endstops, motor, and LEDs
Kliment Sdramps SD card add-on
LED indicator for heater output
Can connect 2 motors to z prusa Mendel

Limit Switch Parameters:

Resistant to 2A current; 300V with 22 AWG wire
Insulation layer withstands up to 80 degrees temperature
Connects with VCC network (ramps+), black GND cable (de-ramps), and green signal line (ramps in s)
Minimum 3 mechanical switches required
Common styles, easy installation

LCD 12864 Control Panel:

Prints 3D model files directly from SD card
Spooling achieved via LCD control

A4988 Driver:

Size: 5mm x 5mm, with heat dissipation pad
Low RDS output
Detects/selects modes automatically
Mixes with slow current decay modes
Low power internal UVLO
Overcurrent protection
Compatible with 3.3 and 5V logic source
Circuit thermal shutdown
Load short circuit protection
Five optional step modes: full, 1/2, 1/4, 1/8, and 1/16

Package contents:
1 x Ramps 1.4 Controller
1 x ATMega2560 CH340 Board
1 x Ramps LCD 12864 Motherboard
6 x Endstop Mechanical Limit Switches with Cables
5 x A4988 Stepper Motor Driver (Color sent at random)
5 x Heat Sink
1 x USB Cable
1 x L-Type Adapter Plate
2 x FC cable