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Under $20 Programmable Logic Controllers

Shop the best prices on 1,285 great value under $20 programmable logic controllers. Shopping for programmable logic controllers is easy with Fruugo, with SALE discounts, offers and savings on many brands. Buy programmable logic controllers online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 1,285
Video Capture Card, Switch Capture Card for Switch, 4K 1080P 60FPS
$21.95 Save $15.00 RRP: $36.95
​For WD5000BMVW WD10JMVW Hard Drive Logic Board Replacement PCB Controller 2060-771961-001 Rev B
$19.95 Save $6.00 RRP: $25.95
5X PL-05N/P DC 10-30V NPN NO 5mm Square Inductive Proximity Sensor Switch 3 Wire P with Screws
$18.95 Save $13.00 RRP: $31.95
External WiFi 6 6E Tri-Band Antenna 6GHz 5.8GHz 2.4GHz Magnetic Base Replacement Antenna for PC Desk
$19.95 Save $4.00 RRP: $23.95
Mechanical Counter, Jadeshay Mechanical Resettable Manual Hand Pull Stroke Tally Counter, D67-F 5 Digit Counter Metal Counters Clicker
$18.95 Save $18.00 RRP: $36.95
FR124DP3 Inductive Proximity Sensor PNP NO NC 12mm Dual Output for Reliable Industrial Detection
$20.95 Save $11.00 RRP: $31.95
8 Channel Optical Isolation Module 24V to 5V Optocoupler PLC Signal Converter Board for Industrial Automation and Control Systems
$16.95 Save $8.00 RRP: $24.95
Threaded Plate Stainless Steel Screw Fixing Fasteners Robot Accessories 4803-0039-0007 39x7mm,Stainless Steel
$13.95 Save $18.00 RRP: $31.95
DEWIN Handheld Counter,Hand Tally Counter 4-Digits ABS Plastic Shell Mechanical Handheld Counting Tool with Hook Base(Yellow)
$18.95 Save $18.00 RRP: $36.95
Usb-sc09-fx Programming Cable For Mitsubishi Fx Series Plc Communicati
$10.95 Save $36.00 RRP: $46.95
For K5/K6 SI4732 Module+USB Programming Cable
$17.95
BERM Hand Tally Counter 4-Digits Plastic Knob Reset Handheld Counting Tool with HookWhite
$21.95 Save $7.00 RRP: $28.95
NEW SN74HC165N -In Register Module Conversion Board
$12.95 Save $5.00 RRP: $17.95
Three-Phase Brushless DC Motor Driver Board 75W ESC Driver Board Speed Control Module for HDD Fan 3
$18.95 Save $5.00 RRP: $23.95
DIY Thumb Light LED Electronic Kit 81 LED Flashing MCU STC8G1K08 Controllable PCB Soldering Practic
$9.95 Save $2.00 RRP: $11.95
For 2 RP2350B Mini Development Board Without PSRAM Full 48 GPIOs Output
$16.95 Save $4.00 RRP: $20.95
7.83Hz Wave Generator Square Wave Pulse Generator Signal Generator for Relax Body and Mind with Lig
$14.95 Save $4.00 RRP: $18.95
MAL/20mm Bore Pneumatic Mini Cylinder 200mm Stroke Single Lever Pneumatic Air Cylinder
$17.95
MIDI Extension Cable 5 Pin Male to Male MIDI Extension Cable 1.5M
$8.95
Page Turning Pen Wireless Presenter USB Pointer Black
$11.95 Save $1.00 RRP: $12.95
Controller Repairing Tools Durable Easy Operation for XBOXONEElite Controller
$17.95
For ESP32-P4 Development Board Acrylic Case for -ESP32P4-M3 Development Board Transparent Protective Case
$10.95 Save $3.00 RRP: $13.95
E2K Series Proximity Sensor Matrix Capacitive Switch 10-30V DC 3-Wire NPN PNP Sensing Distance 10mm Adjustable
$19.95 Save $13.00 RRP: $32.95
2.4 Inch SPI LCD Screen Module 240x320 TFT Module ILI9341 Serial Port Display Module for No Touch
$16.95 Save $5.00 RRP: $21.95
T4115 LED Driver Module 1-10 Strings Constant Current Output 12V DC for LED Strip Lights
$6.95 Save $2.00 RRP: $8.95
Digital Temperature Control Switch Heat Cool Thermostat Controller 24V
$19.95
CCPM Servo Consistency Master ESC Servo Tester with 3 Speed Indicator Light for RC Airplane
$17.95 Save $6.00 RRP: $23.95
Digital Display Module Countdown Switching Control Module Timer Module Delay Delay Time Multifunction Multicolor
$20.95
YUMILI Mechanical Speedometer, 6 Digit Resettable Mechanical Train Counter D94-S 0-999999 Used for Cumulative Recording of Number Of Sports
$19.95 Save $18.00 RRP: $37.95
E2K Series Proximity Sensor Matrix Capacitive Switch 10-30V DC 3-Wire NPN PNP Sensing Distance 10mm Adjustable
$21.95 Save $13.00 RRP: $34.95
RC FPV Receiver Signal Conversion Module 4-18V Wide Voltage Input Support CRSF/SBUS/PPM Protocol Au
$17.95 Save $5.00 RRP: $22.95
LED Digital Display Home Automation Delay Time Circuit Timer Control Cycle Adjustable Switching Module Replacement Multicolor
$20.95