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Under $20 Programmable Logic Controllers

Shop the best prices on 1,045 great value under $20 programmable logic controllers. Shopping for programmable logic controllers is easy with Fruugo, with SALE discounts, offers and savings on Tcgg and SZ-FR6U-I750030111. Buy programmable logic controllers online safely with Fruugo, with secure payment and fast shipping to Australia.

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1 - 32 of 1,045
​For WD5000BMVW WD10JMVW Hard Drive Logic Board Replacement PCB Controller 2060-771961-001 Rev B
$22.95 Save $6.00 RRP: $28.95
5X PL-05N/P DC 10-30V NPN NO 5mm Square Inductive Proximity Sensor Switch 3 Wire P with Screws
$20.95 Save $14.00 RRP: $34.95
USBACAB230 for PLC Programming Cable EX ES EH EN Series Cable USB-ACAB230 PLC USB2.0 to RS232 Adapter Black
$19.95 Save $9.00 RRP: $28.95
1Set for Makey Main Control Board Controller Module DIY Kit with USB Cable Clip for Makey Practical
$20.95 Save $6.00 RRP: $26.95
Mechanical Counter, Jadeshay Mechanical Resettable Manual Hand Pull Stroke Tally Counter, D67-F 5 Digit Counter Metal Counters Clicker
$21.95 Save $20.00 RRP: $41.95
External WiFi 6 6E Tri-Band Antenna 6GHz 5.8GHz 2.4GHz Magnetic Base Replacement Antenna for PC Desk
$20.95 Save $4.00 RRP: $24.95
LJC18A3-H-Z/BY 1-10mm Sensor Switch PNP NO DC 6-36V 300mA
$11.95 Save $11.00 RRP: $22.95
PCA9555A Expansion Module IIC/I2C GPIO Expansion Board Module 16 Digital Input & Output
$15.95 Save $5.00 RRP: $20.95
PLC programmable controller board FX2N-10MR WS2N-10MR-S programmable controller module
$21.95 Save $11.00 RRP: $32.95
7 Channel RS485 NTC Temperature Sensor Measurement MODBUS RTU Paperless Recorder PLC NT18B07
$13.95 Save $6.00 RRP: $19.95
ZK-SMC01 Stepper Motor Driver and Controller DC 5-30V Reverse Pulse Speed Control Board Programmable PLC Serial
$19.95 Save $9.00 RRP: $28.95
Multi-Input Digital Temperature Controller REX-C100 Professional Alarm 0℃-400℃ for Electric Power Chemical Industry
$17.95 Save $7.00 RRP: $24.95
YYBB5 Motor Forward / Reverse Control Board Two Relay
$19.95 Save $11.00 RRP: $30.95
Servo Tester RC 3CH Digital Multi ESC Consistency Speed Controller Checker Adjustment Steering Gear
$14.95
PWM Server Fan Speed Controller 3-Wire 4-Wire Motor Stepless Fan Governor DC 12V Motor Speed Control Switch Drive Module
$9.95 Save $5.00 RRP: $14.95
DC 5-12V USB Fan Stepless Speed Controller Regulator with Switch Speed Module Fan Governor Volume Regulator Board
$7.95 Save $5.00 RRP: $12.95
TCGG-Lot de 2 vis de sige de toilette charnire universelle pour fixation de couvercle de toilette abattant de toilette abattant de toilette en acier i Tcgg
$15.95 Save $19.00 RRP: $34.95
DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU for PLC Measuring Instruments
$11.95 Save $5.00 RRP: $16.95
1Pcs Computer Motherboard USB Extension Cable 9 Pin 1 Female to 2 Male Y Splitter Audio HD Extension
$8.95 Save $3.00 RRP: $11.95
Adjustable Delay Timer Controller With Optocoupler Isolation Reverse Polarity Protective Permanent Memory Storage Multicolor
$18.95
Voltage to Frequency Converter Conversion Module 0-10V To 0-10KHz
$15.95 Save $19.00 RRP: $34.95
TCA9555 Expansion Module IIC/I2C GPIO Expansion Board Module 16 Digital Input & Output
$14.95 Save $9.00 RRP: $23.95
DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU for PLC Measuring Instruments
$11.95 Save $5.00 RRP: $16.95
RC FPV Receiver Signal Conversion Module 4-18V Wide Voltage Input Support CRSF/SBUS/PPM Protocol Aut
$19.95 Save $5.00 RRP: $24.95
MINI ESP32-S3-N16R8 Development Board Xiaozhi AI Voice Conversation Robot with 0.96 Inch OLED Screen No Display
$20.95 Save $6.00 RRP: $26.95
For ESP32-P4 Development Board Acrylic Case for -ESP32P4-M3 Development Board Transparent Protective Case
$10.95 Save $4.00 RRP: $14.95
2.4 Inch SPI LCD Screen Module 240x320 TFT Module ILI9341 Serial Port Display Module for No Touch
$17.95 Save $6.00 RRP: $23.95
T4115 LED Driver Module 1-10 Strings Constant Current Output 12V DC for LED Strip Lights
$7.95 Save $2.00 RRP: $9.95
ESP-32WROVER-DEV Development Board with Camera Wi-Fi Bluetooth Module (Compatible with IDE) for
$16.95 Save $5.00 RRP: $21.95
ESP32-WROVER Esp32 Development Board Esp32 Test Board Burning Fixture Tool Downloader for ESP32-WROVER Esp32 Module
$13.95 Save $4.00 RRP: $17.95
Mini Data Logger Module Logging Shield for Logging Recorder Data Logger Module Shield V1.0 SD Card
$11.95 Save $7.00 RRP: $18.95
PCA9555A Expansion Module IIC/I2C GPIO Expansion Board Module 16 Digital Input & Output
$15.95 Save $6.00 RRP: $21.95