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Under $20 Programmable Logic Controllers

Shop the best prices on 841 great value under $20 programmable logic controllers. Shopping for programmable logic controllers is easy with Fruugo, with SALE discounts, offers and savings on Other and Tcgg. Buy programmable logic controllers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 841
Industrial Automation 16A Off-Delay Timer Relay Electronic Control Module
$17.95 Save $18.00 RRP: $35.95
5Pcs Rail Sections for Picatinny Nylon 5 7 9 11 13 Slots Accessory for Replacement
$17.95 Save $11.00 RRP: $28.95
(170)16Ch PWM/Servo/Servo Driver Board Controller IIC PCA9685
$12.95 Save $22.00 RRP: $34.95
Top-Mounted Power Button for Mini / Pro, Blue
$10.95 Save $6.00 RRP: $16.95
Time Delay Relay Module 5V 12V 24V Adjustable Delay Off Cycle Timer with LCD Display 0.01s to 9999min for Automation Control
$14.95 Save $8.00 RRP: $22.95
LJC18A3-H-Z/BY 1-10mm Sensor Switch PNP NO DC 6-36V 300mA
$14.95 Save $13.00 RRP: $27.95
PCA9555A Expansion Module IIC/I2C GPIO Expansion Board Module 16 Digital Input & Output
$20.95 Save $7.00 RRP: $27.95
7 Channel RS485 NTC Temperature Sensor Measurement MODBUS RTU Paperless Recorder PLC NT18B07
$17.95 Save $7.00 RRP: $24.95
Pca9555a Expansion Module Iic/i2c Gpio Expansion Board Module 16 Digital Input Output
$7.95
DC 5-12V USB Fan Stepless Speed Controller Regulator with Switch Speed Module Fan Governor Volume Regulator Board
$10.95 Save $6.00 RRP: $16.95
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
$19.95 Save $26.00 RRP: $45.95
DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU for PLC Measuring Instruments
$14.95 Save $7.00 RRP: $21.95
1Pcs Computer Motherboard USB Extension Cable 9 Pin 1 Female to 2 Male Y Splitter Audio HD Extension
$10.95 Save $4.00 RRP: $14.95
USB C to 3.5mm Microphone Cable for Wireless Go II
$13.95 Save $9.00 RRP: $22.95
Industrial Control Board USB Relay PRO 4-Way Relay Isolation Rail USB/TTL Control Relay for Automation Application
$19.95 Save $30.00 RRP: $49.95
4X PL-05N/P DC 10-30V NPN NO 5mm Square Inductive Proximity Sensor Switch 3 Wire P with Screws
$3.95 Save $6.00 RRP: $9.95
FX1N-10MT Logic Controller Module Programmable Controller DC 10-24V Industrial Control Board Logic Controller Module
$15.95 Save $22.00 RRP: $37.95
XMT-7200 48x24mm Programmable Digital PID Temperature Controller
$17.95 Save $26.00 RRP: $43.95
Voltage to Frequency Converter Conversion Module 0-10V To 0-10KHz
$20.95 Save $25.00 RRP: $45.95
TCA9555 Expansion Module IIC/I2C GPIO Expansion Board Module 16 Digital Input & Output
$17.95 Save $12.00 RRP: $29.95
For ESP32-P4 Development Board Acrylic Case for -ESP32P4-M3 Development Board Transparent Protective Case
$14.95 Save $4.00 RRP: $18.95
T4115 LED Driver Module 1-10 Strings Constant Current Output 12V DC for LED Strip Lights
$9.95 Save $3.00 RRP: $12.95
ESP-32WROVER-DEV Development Board with Camera Wi-Fi Bluetooth Module (Compatible with IDE) for
$22.95 Save $6.00 RRP: $28.95
ESP32-WROVER Esp32 Development Board Esp32 Test Board Burning Fixture Tool Downloader for ESP32-WROVER Esp32 Module
$17.95 Save $5.00 RRP: $22.95
Mini Data Logger Module Logging Shield for Logging Recorder Data Logger Module Shield V1.0 SD Card
$15.95 Save $8.00 RRP: $23.95
PCA9555A Expansion Module IIC/I2C GPIO Expansion Board Module 16 Digital Input & Output
$18.95 Save $8.00 RRP: $26.95
USB Logic Analyzer Device Set Mini Digital Pocket Size 8 Channel Input Memory 24MHz
$11.95 Save $3.00 RRP: $14.95
Multi RC Digital ESC Servo Tester Consistency Speed Controler Power SHYTMV
$2.95 Save $1.00 RRP: $3.95
Body Sensing Switch Delay Time Adjustable Infrared Motion Sensing Switch 6A 12‑24V Black
$18.95 Save $7.00 RRP: $25.95
2 Pcs Micro Limit Switch 160OF 42RF 2.7PT 2.4OT 0.5MD 30.2OP 32.5FP NO NC Roller Lever Limit Switch 250VAC
$19.95 Save $7.00 RRP: $26.95
Air Conditioner Refrigerant Charging Valve Safety Adapter Flow Control Valve Side R410 Bottom R22
$14.95 Save $10.00 RRP: $24.95
Programmable Controller Board FX2N-10MR 24V 6-In 4-Out 4000 Capacity
$20.95 Save $5.00 RRP: $25.95