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
$21.95
High Sensitivity Microphone o Amplifier Module Output 20dB Gain Low Noise DC 3.3V/5V
$17.95 Save $26.00 RRP: $43.95
0.96 Inch OLED Display Module 12864 Screen Module with Matrix & 4 Key Keyboards IIC
$12.95 Save $22.00 RRP: $34.95
Digital Amplifier Board Low Power Consumption DualChannel USB Charging o Stereo Car Speaker Amplifier Board
$21.95 Save $20.00 RRP: $41.95
Button Key Module Keypad Board 2x4 Matrix 8 Push Micro Switch for Single Chip Microcomputer
$17.95 Save $26.00 RRP: $43.95
Physics Electrical Slide Rheostat Resistance Laboratory Researching Tool 1.5A 50
$18.95 Save $25.00 RRP: $43.95
4-channel IIC I2C Logic Level 5V 3.3V Bi Directional Converter Module
$17.95 Save $26.00 RRP: $43.95
12V Car Light Control Switch Photoresistor Relay Module Photosensitive Sensor TP
$20.95 Save $25.00 RRP: $45.95
Uadme Battery Protection Board-Battery Charge Discharge Board nce Charge Discharge Module 3S 60A 12.6V BMS for Lithium Battery
$19.95 Save $26.00 RRP: $45.95
10Pcs T5577 EM4305 Copy Rewritable Writable RFID Tag Card,Black
$17.95 Save $16.00 RRP: $33.95
DEWIN Capacitive Touch Switch Module, Intelligent Control Sensor Bistable State Sensitive Response for Night Light DC 3V‑18V
$18.95 Save $25.00 RRP: $43.95
Amplified Board Module Two Channel Design Stable Durable Dynamic Microphone Preamplifier Board
$20.95 Save $25.00 RRP: $45.95
Hand Sweep Sensor Switch Module 5-24VDC for Cupboard Wardrobe LED Light
$20.95 Save $25.00 RRP: $45.95
NE555 Pulse Frequency Generator Adjustable Duty Cycle Signal Generator Board Module
$20.95 Save $25.00 RRP: $45.95
DEWIN Infrared Reflective Sensor Module, PCB Capacitor Discharge Circuit Breaker Board for Assembly Line DC 3.3‑5V
$19.95 Save $25.00 RRP: $44.95
GY-302 Digital Light Intensity Module BH1750 Chip Integration Module 3-5V Power Supply
$20.95 Save $25.00 RRP: $45.95
Relay Module Bistable State 1Way StartStop SelfLocking Microcomputer Automobile Modification Switch(5V )
$20.95 Save $25.00 RRP: $45.95
1A 4.2V 3.7V 18650 LiPo Li ion Lithium Battery Charger MPPT Solar Charge Controller Module(without Pin )
$20.95 Save $25.00 RRP: $45.95
1pc 24‑Bit WS2812 5050 RGB LED Ring Lamp Light with Integrated Drivers
$20.95 Save $25.00 RRP: $45.95
LED Display Tube Module 4-Digit 7-Segment Fits for Arduino Use Library TM1637.hRed
$20.95 Save $25.00 RRP: $45.95
Dual USB Output 9V/12V/24V To 5V 3A DC‑DC Step Down Power Charger Module
$17.95 Save $26.00 RRP: $43.95
TTL to RS232 Module Abrasion Performance Fine Workmanship Plastic Texture Adapter Module
$20.95 Save $25.00 RRP: $45.95
Step Up Boost Liion Battery Charge Module Battery Charger Board DDTCCRUB 2S1A
$20.95 Save $25.00 RRP: $45.95
Step Up Boost Liion Battery Charger Module Battery Charger Board DDTCCRUB 3S1A
$20.95 Save $25.00 RRP: $45.95
4 Digit 7 Segment Digital Tube Module LED Display Module I2C Interface DC 5V/3.3V DM43B04
$20.95 Save $25.00 RRP: $45.95
Tracking Module 8 Channel Infrared Detection Sensor PCB 8bit Detector Hunt Board
$20.95 Save $25.00 RRP: $45.95
DC-DC Voltage Step Down Power Supply Buck Module 12V 24V 6V-32V to 5V QC3.0 USB Fast Charging
$20.95 Save $25.00 RRP: $45.95
MAX4466 Microphone Amplifier Module Sound Sensor 2.4V to 5.5V Microphone Preamplifier
$20.95 Save $25.00 RRP: $45.95
Voice Control Delay Switch Sound Activated Delay Module DC 3-9V
$20.95 Save $25.00 RRP: $45.95
Voltage Control Adapter Module 4 Road 817 Optocoupler Anti Interference Photoelectric Isolation Module
$20.95 Save $25.00 RRP: $45.95
Emoshayoga Volt Regulator Modules, Rectifier Filter Circuit Voltage Stabilizer Power Supply Module TO220 Chip PCB Heat Dissipation for Industry(15V)
$21.95 Save $25.00 RRP: $46.95
Bluetooth Amplifier Board, MH MX8 Module Wireless for Bluetooth o Receiver Board Lossless Decoder Kit M18 M28 M38(M28 Headphone Jack Version)
$17.95 Save $25.00 RRP: $42.95