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 ST820 Stepping Motor Driver Stepstick Smallest 45V Microstepping Motor Driver Peak Current 2.5A Suitable RAMPS VS TMC2208 Product Introduction:     ST820 is a compact and easy to use evaluation...

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 ST820 Stepping Motor Driver Stepstick Smallest 45V Microstepping Motor Driver Peak Current 2.5A Suitable RAMPS VS TMC2208

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Product Introduction:
    ST820 is a compact and easy to use evaluation board for the STSPIN820, the world's smallest 45 V microstepping motor driver rated at 2.5 A.It provides a very compact solution to evaluate the performance of the STSPIN820 stepper motor driver with a minimum set of additional equipment and without the need of additional devices. The hardware is fully compatible to be used together with RAMPS or other similar FFF 3D printing platforms, representing a very fast drop-in replacement of similar solutions. Contrary to most other competitors solutions, it helps customers to really exploit the benefits of working at high microstepping resolution. The microstepping resolution can be easily set to one of eight available values through M1, M2 and M3 inputs: full-step, 1/2, 1/4, 1/8, 1/16, 1/32, 1/128 and 1/256 of step. It is simply controlled through step and direction ports and embeds the PWM current control algorithm with selectable decay mode (fast + slow or slow) and the adjustable reference voltage level through an embedded potentiometer. The STSPIN820 features a full set of protections making it a bullet proof device for a wide range of industrial applications.
Major Features :
Operating voltage: 7 V to 45 V
Continuous current up to 1.5 A per phase
Maximum current up to 2.5 A per phase Integrated low RDS(ON) power stages (HS + LS = 1 Ω typ.)
Microstep resolution easily settable through jumpers: full-step, 1/2, 1/4, 1/8, 1/16, 1/32, 1/128 and 1/256 of step Simple step and direction control interface
Adjustable current control through a potentiometer to set the ref. voltages
Embedded PWM current control with selectable decay mode (fast or slow)
Full set of embedded protections
1. Non-dissipative overcurrent
2. Undervoltage lockout
3. Thermal shutdown
4. Short-circuit
Compatible with RAMPS and similar open source solutions for FFF 3D printers
Very compact footprint: 15 x 20 mm
Package:
1*ST820
1*Heatsink
Gift:everyone only have 1pc screwdriver
Note : ST820 drivers need firmware adjustments to function,if you need more information,pls contact us!

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IMG_2082IMG_2084IMG_2093IMG_2103IMG_2104IMG_2110IMG_2111IMG_2144

 

 

size chest(in.) waist(in.) hips(in.)
XS 34-36 27-29 34.5-36.5
S 36-38 29-31 36.5-38.5
M 38-40 31-33 38.5-40.5
L 40-42 33-36 40.5-43.5
XL 42-45 36-40 43.5-47.5
XXL 45-48 40-44 47.5-51.5
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