Description
Introductions:
Operating voltage: 5 V
Input voltage (recommended): 7-12 V
Input voltage (limits): 6-20 V
Digital pins I / O: 54 (of which 14 provide PWM output)
Analog input pins: 16
DC current by i / o PIN: 40 mA
DC current for 3.3 V PIN: 50 ma
Flash memory: 256 KB of which 4 KB used by bootloader
SRAM: 8 KB
EEPROM: 4 KB
Ramps 1.4:
MOSFET controllers / outputs and three thermistor circuits.
ADDITIONAL SECURITY INTEGRATION 5a and component protection
Control of additional heating bed 11a fuse
Suitable for 5 polom step by step
Pololu pin socket, so they can be easily replaced or removed for future designs.
I2C I2C and SPI for future expansion.
Connected to all MOSFET PWM versatility.
SERVO type connector is used to connect to the final stop, the motor and the light emitting diodes. These connectors are gold plated, nominal current of 3a, very compact.
On the SD card to add-is now available from the Kliment-sdramps
LED indicates when the heater output
Option 2 motors connected to z prusa Mendel
Limit switch parameter:
Using 22 AWG wire, copper wire inside is very thick, can be resistant to current voltage 2a, 300V.
An insulating layer over a wide range of temperatures, up to 80 degrees.
Plug it convenient, to facilitate the use
Network connection VCC network (+ ramps)
Connect the black GND cable (de-ramps)
Green line connection signal (ramps in s)
Tips: Under normal circumstances, the system must be configured for at least three mechanical switches.
Advantages: Easy to install, the most common styles.
LCD 12864:
A4988 driver:
Size 5mm × 5mm, nominal nominal package height 0.90mm,
with an exposed pad for improved heat dissipation.
Low RDS output (on)
Automatic mode detection / selection
Mix with slow current decay modes
Synchronous rectification of low power dissipation
Uvlo internal
Current protection cross
3.3 and 5 V compatible logic source
Thermal shutdown circuits
Earth fault protection
Load short circuit load
Optional step five modes: full, 1/2, 1/4, 1/8 and 1/16
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