Filters

Under $20 Modulators

Shop the best prices on 228 great value under $20 modulators. Shopping for modulators is easy with Fruugo, with SALE discounts, offers and savings on Dirtypigs. Buy modulators online safely with Fruugo, with secure payment and fast shipping to New Zealand.

Filters
1 - 32 of 228
PCF8575 IO Expander Module I2C To 16IO
$22.95
MOS FET Driver Module High Power PWM Adjustment Electronic Switch Control Board 3-20V to 3.7-27VDC 10A
$15.95 Save $26.00 RRP: $41.95
10Pcs T5577 EM4305 Copy Rewritable Writable RFID Tag Card,Mixed Color
$17.95 Save $1.00 RRP: $18.95
Buck Power Module Constant Current Voltage Ammeter DC6?40V to DC2?36V 20A 300W Power
$15.95 Save $32.00 RRP: $47.95
DCDC Power Supply Module BuckBoost Negative Pressure Device for Operational Amplifier(-3.3V )
$10.95 Save $37.00 RRP: $47.95
DEWIN Capacitive Touch Switch Module, Intelligent Control Sensor Bistable State Sensitive Response for Night Light DC 3V‑18V
$18.95 Save $26.00 RRP: $44.95
Physics Electrical Slide Rheostat Resistance Laboratory Researching Tool 1.5A 50
$20.95 Save $27.00 RRP: $47.95
Digital Amplifier Board Low Power Consumption DualChannel USB Charging o Stereo Car Speaker Amplifier Board
$21.95 Save $21.00 RRP: $42.95
DC-DC 3V 5V 12V to 19V 24V 30V 36V High Power Adjustable Step-up Boost Converter Regulator Module KZQXD
$21.95 Save $26.00 RRP: $47.95
GY-302 Digital Light Intensity Module BH1750 Chip Integration Module 3-5V Power Supply
$20.95 Save $26.00 RRP: $46.95
NE555 Pulse Frequency Generator Adjustable Duty Cycle Signal Generator Board Module
$20.95 Save $26.00 RRP: $46.95
Step Up Boost Liion Battery Charge Module Battery Charger Board DDTCCRUB 2S1A
$20.95 Save $26.00 RRP: $46.95
4 Digit 7 Segment Digital Tube Module LED Display Module I2C Interface DC 5V/3.3V DM43B04
$20.95 Save $26.00 RRP: $46.95
High Sensitivity Microphone o Amplifier Module Output 20dB Gain Low Noise DC 3.3V/5V
$18.95 Save $25.00 RRP: $43.95
Step Up Boost Liion Battery Charger Module Battery Charger Board DDTCCRUB 3S1A
$20.95 Save $26.00 RRP: $46.95
MAX4466 Microphone Amplifier Module Sound Sensor 2.4V to 5.5V Microphone Preamplifier
$20.95 Save $26.00 RRP: $46.95
Amplified Board Module Two Channel Design Stable Durable Dynamic Microphone Preamplifier Board
$20.95 Save $26.00 RRP: $46.95
DC-DC Voltage Step Down Power Supply Buck Module 12V 24V 6V-32V to 5V QC3.0 USB Fast Charging
$20.95 Save $26.00 RRP: $46.95
1pc 24‑Bit WS2812 5050 RGB LED Ring Lamp Light with Integrated Drivers
$20.95 Save $26.00 RRP: $46.95
Voltage Control Adapter Module 4 Road 817 Optocoupler Anti Interference Photoelectric Isolation Module
$20.95 Save $26.00 RRP: $46.95
1A 4.2V 3.7V 18650 LiPo Li ion Lithium Battery Charger MPPT Solar Charge Controller Module(without Pin )
$20.95 Save $26.00 RRP: $46.95
Voice Control Delay Switch Sound Activated Delay Module DC 3-9V
$20.95 Save $26.00 RRP: $46.95
LED Display Tube Module 4-Digit 7-Segment Fits for Arduino Use Library TM1637.hRed
$20.95 Save $26.00 RRP: $46.95
Dual USB Output 9V/12V/24V To 5V 3A DC‑DC Step Down Power Charger Module
$18.95 Save $25.00 RRP: $43.95
TTL to RS232 Module Abrasion Performance Fine Workmanship Plastic Texture Adapter Module
$20.95 Save $26.00 RRP: $46.95
Hand Sweep Sensor Switch Module 5-24VDC for Cupboard Wardrobe LED Light
$20.95 Save $26.00 RRP: $46.95
Relay Module Bistable State 1Way StartStop SelfLocking Microcomputer Automobile Modification Switch(5V )
$20.95 Save $26.00 RRP: $46.95
Tracking Module 8 Channel Infrared Detection Sensor PCB 8bit Detector Hunt Board
$20.95 Save $26.00 RRP: $46.95
12V Car Light Control Switch Photoresistor Relay Module Photosensitive Sensor TP
$20.95 Save $26.00 RRP: $46.95
0.96 Inch OLED Display Module 12864 Screen Module with Matrix & 4 Key Keyboards IIC
$13.95
10Pcs T5577 EM4305 Copy Rewritable Writable RFID Tag Card,Black
$20.95 Save $14.00 RRP: $34.95
Uadme Step Motor Driver-2 Way Step Motor Control Board CW CCW Rotation PWM Speed Regulation Dual H Bridge Board 2.5A
$18.95 Save $25.00 RRP: $43.95