X-On Electronics has gained recognition as a prominent supplier of 27938 Daughter Cards & OEM Boards across the USA, India, Europe, Australia, and various other global locations. 27938 Daughter Cards & OEM Boards are a product manufactured by Parallax. We provide cost-effective solutions for Daughter Cards & OEM Boards, ensuring timely deliveries around the world.

27938 Parallax

27938 electronic component of Parallax
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Part No.27938
Manufacturer: Parallax
Category: Daughter Cards & OEM Boards
Description: BASIC Stamp® 2 Motor Controller/Driver, Stepper Power Management Evaluation Board
Datasheet: 27938 Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
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Obsolete
Availability Price Quantity
0
MOQ : 1
Multiples : 1
1 : USD 72.7532
N/A

Obsolete
   
Manufacturer
Product Category
RoHS - XON
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We are delighted to provide the 27938 from our Daughter Cards & OEM Boards category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the 27938 and other electronic components in the Daughter Cards & OEM Boards category and beyond.

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LK Little Step-U Unipolar Stepper motor controller Description The Little Step-U is a complete, serially CON 1 controlled, drive system for unipolar stepper /IP1 /IP2 motors. Using an intelligent module allows the BUSY SERIAL OUT host system to concentrate on the task at hand SERIAL IN while the Little Step-U performs all calculations Vcc (+) GND (-) and operation of the motor. CON 2 COIL A The desired operating speed, ramp time and COIL B COIL C drive mode can be configured once and then a COIL D CT - AC single command used as required, to move to CT - BD CON 3 fixed or relative positions. While the motor is in Vom (-) motion, a BUSY output is active and the Vm (+) movement can be optionally interrupted by one of the two external inputs. The position of the 1.0 in motor is maintained in a readable register which can be set to zero (Home) by a command or when an input is activated. A similar register is available to save a second position (Mark) either Features by command or from an input. These points can then be referenced directly with a Move to Unipolar motors to 35V, 3.0A home or Move to mark command. Full step, half step and wave drive modes 1-5,000 steps per second A built-in ramping function accelerates the Inbuilt speed ramp (0.1-20.0 seconds) motor from a standstill to the desired speed over Simple serial commands (TTL interface) a specified time period, allowing faster final Separate power input for motor and logic speeds to be achieved, and also to decelerate Suitable for direct and L/R operation in all the motor to give maximum load braking. When modes the motor is stopped, a command specifies On board clamping diodes whether the windings are left energized (for Current position register (+/-100,000,000) maximum holding torque) or turned off (for lower Zero position and user marker registers power consumption / dissipation). Absolute & Relative movement commands Busy output A remote function is included for use in more Two inputs suitable for optical stops complex systems. Once activated, the two Slave mode using inputs for STEP & DIR external inputs become STEP and DIR, with the Stop with motor coils on or off motor stepping in the indicated direction with every pulse applied to the step input. CT-AC LK CT-BD Vcc A B C D GND Vom TLA Microsystems Ltd DC Characteristics Characteristic Symbol Min Typ Max Unit Notes Logic Supply Voltage V 4.5 5.0 5.5 V CC Vcc risetime t 0.05 V/ms 1 VCC Logic supply current I 1.5 3.0 mA CC Input Low Voltage V 0.0 1.0 V IL Input High Voltage V 4.3 Vcc V IH Output Low Voltage V 0.6 V OL Output High Voltage V 4.3 V OH IP1/2 Source Current I 1.0 mA OL Motor Voltage V 50 V M Motor current I 3.0 A M Motor resistance R 2.8 M Clamp diode current I 250 mA CL Step rate F 1 5000 steps/sec STEP Speed Error F +/- 0.5 % 2 ERR Comms bit rate F 2400 bps BIT BUSY rise/fall time T 10 25 ns RF Response time to IP1/2 T 1 ms 3 INP DIR hold time T 8 us DIR Max Slave step rate F 10000 steps/sec 4 EXT Operating temp t 0 70 C 5 OP Storage temp t -40 100 C ST 1 Required to ensure reliable startup. 2 As a percentage of requested speed 3 Response to IP is lesser of 1ms or 1 step 4 If no comms while stepping. Max = 6000 steps/sec with comms 5 Refer loading derating graph Pin functions Connector 1 Pin Function /IP1 Optional input 1. Set home. Emergency stop. /IP2 Optional input 2. Set mark. Emergency stop. BUSY Output - High when motor moving SERIAL OUT Data from Little step-U to controller. TTL SERIAL IN Data from controller to Little Step-U. TTL Vcc Supply to logic circuits GND Supply ground. Common with motor circuits. Connector 2 Pin Function A Winding A output B Winding B output C Winding C output D Winding D output CT-AC Common for windings A & C CT-BD Common for windings B & D Connector 3 Pin Function V Motor supply ground. Common with logic circuits OM V Motor Supply + M 2 Little Step-U

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free
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