3D Printer Electronics

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Mechanical Limit Switch with Wheels / Endstop for 3D Printers With 70 CM Cable

03.00.102
THIS MECHANICAL LIMIT SWITCH / ENDSTOP TELLS YOUR 3D PRINTER WHEN IT HAS REACHED THE END OF A RAIL.
$2.70

Optical Endstop Optical Limit Switch

03.00.73
FOR REPRAP, YOU CAN USE ONE OPTO-SWITCH FOR EACH AXIS TO DEFINE ITS POSITION. THE OPTO SWITCHES ALSO HELP TO PROTECT THE MACHINE FROM MOVING PAST ITS INTENDED RANGE AND DAMAGING ITSELF.
$2.40

SMPS Power supply 12V/30A regulated (,engineering projects) not for car battery charger/inverter

08.00.02
Power supply switching type SMPS 12v regulated & adjustable 15% more or less voltage, up to 30A max current Not to be used as car battery charger / inverter for Surveillance cameras, alarms, engineering projects You can get different sources with 3 pin out voltage regulators details will be at item box Certification : CE , ISO9001 PASS Please change to Arabic language page for more ...
$15.00

DC-DC Step Down Converter with USB

03.00.58
DC TO DC CONVERTER 9V/12V/24V TO 5V 2A USB STEP DOWN POWER MODULE CAR CHARGER FOR MOBILE POWER, MOBILE PHONES, TABLET AND ANY USB 5V POWERED DEVICES. INPUT: 7.5V-28V OUTPUT: 5V / 3A CONVERSION EFFICIENCY: 96% (MAX) SWITCHING FREQUENCY: 1.5MHZ (MAX) TYPICAL 1MHZ WORKING TEMPERATURE: -40 ℃~+ 85 ℃ LOAD CAPACITY: MAXIMUM OUTPUT 3A, TYPICAL 2A SIZE: 43MM X 16MM X 5MM (LXWXH) PACKAGE INCLUDE ": 1X DC-DC STEP DOWN CONVERTER 9V/12V/24V TO 5V/2A USB
$4.20

DC-DC Step Down Converter

03.00.51
DC-DC STEP DOWN CONVERTER VARIABLE 5A (4V~38VDC TO 1.25V~36VDC) VARIABLE OUTPUT (VOLTAGE & CURRENT) DC-DC STEP DOWN CONVERTER + VOLTMETER DISPLAY + USB OUT INPUT VOLTAGE: DC 4-38V (NOTE:INPUT VOLTAGE NOT EXCEEDING 38V) OUTPUT VOLTAGE: DC 1.25V ~ 36V CONTINUOUSLY ADJUSTABLE ( THE INPUT VOLTAGE MUST BE HIGHER THAN THE OUTPUT VOLTAGE 1.5V ) OUTPUT CURRENT: MAX 5A, RECOMMENDED FOR USE IN THE 4.5A. OUTPUT POWER: UP TO 75W, MORE THAN 50W, PLEASE ENHANCE HEAT DISSIPATION VOLTMETER ERROR: ± 0.05V MEASURE RANGE: 0 ~ 40V ( PLEASE ENSURE THAT THE INPUT VOLTAGE IS 4.5V OR MORE) VOLTMETER RANGE: 4 TO 40V, ERROR ±0.1V OPERATING FREQUENCY: 180KHZ CONVERSION EFFICIENCY: UP TO 96% LOAD REGULATION: S (I) ≤ 0.8% VOLTAGE REGULATION: S (U) ≤ 0.8% BUILT IN THERMAL SHUTDOWN FUNCTION BUILT IN CURRENT LIMIT FUNCTION BUILT IN OUTPUT SHORT PROTECTION FUNCTION INPUT REVERSE POLARITY PROTECTION:NONE(IF REQUIRED, HIGH CURRENT DIODE IN SERIES WITH THE INPUT). SIZE: 66 X39 X18MM APPLICATION: THE DC/DC BUCK MODULE APPLICATIONS THE INPUT VOLTAGE IS HIGHER THAN THE OUTPUT VOLTAGE OF THE BUCK FIELD, SUCH AS BATTERY, POWER TRANSFORMER, DIY ADJUSTABLE REGULATED POWER SUPPLY, LCD MONITOR AND LCD TV,PORTABLE INSTRUMENT POWER SUPPLY,TELECOM/NETWORKING EQUIPMENT,24V VEHICLE NOTEBOOK POWER SUPPLY,INDUSTRIAL EQUIPMENT BUCK.12V BUCK TO 3.3V, 12V BUCK TO 5V, 24V BUCK TO 5V,24V BUCK TO 12V, 36V BUCK TO 24V ETC. VOLTMETER CALIBRATION METHOD: OUTPUT VOLTAGE CALIBRATION STEPS STEP 1, ADJUST THE RIGHT BUTTON SO THAT "OUT" LED LIGHTED, THE VOLTMETER SHOWS THE VALUE OF OUTPUT VOLTAGE; PRESS THE RIGHT BUTTON FOR MORE THAN 2 , SECONDS, RELEASE, VOLTMETER AND "OUT" LED FLASHES IN SYNCHRONIZATION SO THAT YOU ENTER THE OUTPUT VOLTAGE CALIBRATION MODE. STEP 2, PRESS THE RIGHT BUTTON (NORMAL SPEED), THE VOLTAGE VALUE IS ADDING UP A UNIT; PRESS THE LEFT BUTTON, MINUS A UNIT; DUE TO A UNIT IS LESS THAN 0.1V, THE MINIMUM VOLTAGE DISPLAY TO 0.1V, SO YOU NEED TO CONTINUOUSLY PRESS 1-5 TIMES TO SEE THE VOLTMETER CHANGE 0.1V, HOW MANY TIMES VOLTMETER CHANGE 0.1V BY PRESSING THE KEY, DEPENDING ON THE CURRENT DISPLAY VOLTAGE, THE HIGHER THE VOLTAGE, THE FEWER THE NUMBER OF PRESS. STEP 3, PRESS THE RIGHT BUTTON FOR MORE THAN 2 SECONDS, RELEASE, TO EXIT THE OUTPUT VOLTAGE CALIBRATION MODE. ALL PARAMETERS SET TO AUTOMATICALLY POWER DOWN TO SAVE. INPUT VOLTAGE CALIBRATION STEPS STEP 1, ADJUST THE RIGHT BUTTON SO THAT "IN" LED LIGHTED, THE VOLTMETER SHOWS THE VALUE OF INPUT VOLTAGE; PRESS THE RIGHT BUTTON FOR MORE THAN 2 , SECONDS, RELEASE, VOLTMETER AND "IN" LED FLASHES IN SYNCHRONIZATION SO THAT YOU ENTER THE INPUT VOLTAGE CALIBRATION MODE. STEPS 2 AND 3, CONSISTENT WITH THE OUTPUT VOLTAGE CALIBRATION METHOD. PACKAGE INCLUDE ": 1 X DC-DC STEP DOWN CONVERTER VARIABLE 5A (4V~38 VDC TO 1.25V~36VDC)
$7.80

NTC 3950 Thermistors-big head Size with dupont

05.00.29
NOMINAL RESISTANCE: R25(25℃)(USUAL)1.5K,2K,5K,10K,20K,30K,47K,50K,100K,200K,500K AND SO ON. RESISTANCE ACCURACY: ±1%,±2%,±3% B R25/50: (USUAL)3435K,3600K,3950K,3990K,4100K,4200K AND SO ON B ACCURACY: ±1% TEMPERATURE RANGE: -40℃~+300℃ MAX RATED POWER: 45MW RESISTANCE TEMPERATURE COEFFICIENT: -2~-5%/℃ SUGGESTED PARAMETERS: R25℃=100K B25/50=3950K(±1%) PACKAGE INCLUDE :1X NTC 3950 THERMISTORS-BIG HEAD SIZE WITH DUPONT
$2.70

TL -Smoother Kit Addon Module Four 4 Pin For 3D Printer Motor Driver

03.00.55
Tl-Plus Smooth V1.0 Kit Addon Module For 3d Printer Motor Driver Parts 3D PRINTER leTL-Plus Smooth is a module addon for 3D printer stepper motor. The board provides flyback diodes (freewheel diodes) for the motor outputs, so that they are also protected against induction voltages in the motor-free state of the driver. You will have got smoother
From $4.80