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Under $20 Modulators

Shop the best prices on 949 great value under $20 modulators. Shopping for modulators is easy with Fruugo, with SALE discounts, offers and savings on many brands. Buy modulators online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 949
PCF8575 IO Expander Module I2C To 16IO
$15.95
TICFOX Motor Drive Module High Power Driver for Smart Car BTS7960 43A Electric Components
$21.95 Save $19.00 RRP: $40.95
Risegun Charging Board, 5V 4.5a 22.5W Mobile Power Bank Module Mobile Charging Module Fast Charging Module Dual LED USB Micro Type C Accessory for
$20.95 Save $18.00 RRP: $38.95
Step Motor Driveer, PWM Generator Plastic 2‑Channel Frequency Adjusting Module Adjustable Drive Electronic Component, for Motor Control Board
$12.95 Save $19.00 RRP: $31.95
Light Control Switch Adjustable Delay Photoresistor Relay Module Light Detection Sensor(M) 2GHO4
$21.95 Save $18.00 RRP: $39.95
DEWIN Charging Module, 2Pcs Charging Module 1-8 Cell Nickel–Cadmium/Nickel–Metal Hydride Battery Charger Electronic Components(5-Cell(5S))
$16.95 Save $18.00 RRP: $34.95
Module atténuateur RF HMC472 1M-3,8G, module numérique à faible perte d'insertion, pas de 0,5 dB, contrôlé par programme
$19.95 Save $6.00 RRP: $25.95
XH A902 NE5532 Operational Amplifier Module Power Preamplifier Tone Board Preamp
$14.95 Save $18.00 RRP: $32.95
Uadme Electronics Component Kit,Electronics Kit Starter Fun Assortment Development Component with 400 Hole Breadboard for R3
$19.95 Save $18.00 RRP: $37.95
Rankomu LM1875T DIY Kit 20W Mono Channel HiFi o Power Amplifier Board NIN8R
$14.95 Save $18.00 RRP: $32.95
TICFOX XL4015 Module High Conversion Efficiency Adjustable DCDC Buck with Voltage Meter Display 75W
$18.95 Save $19.00 RRP: $37.95
TICFOX Counter Module High Quality 4 Digit Digital Display with Memory Function QF C04 DC4-40V
$20.95 Save $18.00 RRP: $38.95
Potentiometer Module, 10K Potentiometer Module Adjustable Resistor Single Turn Rotary Module Analog Output 0‑5V, Knob Adjustment
$11.95 Save $18.00 RRP: $29.95
Hotel RFID Key FOB Re-Writable Multiple Times. 100 Pcs. Works in 13.56 MHz Frequency
$18.95 Save $10.00 RRP: $28.95
Mini RF Modulator AV To RF Converter NTSC Output CH3 Channel PLL Controlled VHF Frequency TV Signal Adapter
$18.95 Save $9.00 RRP: $27.95
Hotel Rfid Key Fob Re-writable Multiple Times. 100 Pcs. Works In 13.56 Mhz Frequency
$15.95
Risegun PIR Pyroelectric Human Body Sensing Module DC 3.3-5V Level Intelligent Advertising Machine Infrared Automatic Control Sensing Head
$13.95 Save $18.00 RRP: $31.95
Uadme Time Relay Module, Anti Interference MCU Online Programming 1 Channel Cycle Delay Relay with Digital Display Buzzer
$19.95 Save $19.00 RRP: $38.95
Optocoupler Isolation Board - 8 Channel Driver Photoelectric Isolated Module 817 3.6‑30V, Good Maintenance and Interchangeability
$16.95 Save $18.00 RRP: $34.95
Uadme Infrared Reflection Sensor Module, PCB Capacitor Discharge Circuit Breaker Board for Assembly Line DC 3.3‑5V
$13.95 Save $19.00 RRP: $32.95
TICFOX 16‑Bit ADC ADC Analog to Digital Converter Module for R-a-s-p-b-e-r-r-y P-i 3/2/B+
$21.95 Save $19.00 RRP: $40.95
Light Control Switch Relay Module Adjustable Delay Photoresistor Light Detection Sensor(DC 12V) BFTYR
$21.95 Save $18.00 RRP: $39.95
Step Up Power - 5V 1A Boost Step Up Power Supply Module Lithium Battery USB Charge Protection Board, 10-Pack SA20W
$18.95 Save $18.00 RRP: $36.95
Mini Bluetooth Amplifier Board Module 4.2 Circuit Stereo Speaker Digital Module 5W + 5W
$16.95 Save $18.00 RRP: $34.95
Mobile Power Bank Module, Dual USB 5V 1A 2.1A Power Bank 18650 Lithium Batery Charger DIY Module LCD Display for Phone DIY Mobile Power Bank VBATH
$15.95 Save $18.00 RRP: $33.95
4-channel Infrared Reflection Tracking Sensor Module Set Smart Car Obstacle Avoidance PCB
$16.95 Save $18.00 RRP: $34.95
USB Camera Module, 60 Degree Wide Angle Lens USB Camera Module, 2 Million Pixels USB Camera Module with OV2659 Chip VDDW1
$19.95 Save $18.00 RRP: $37.95
Charging Module, 2pcs Charging Module 1-8 Cell Nickel–Cadmium/Nickel–Metal Hydride Battery Charger Electronic Components(6-Cell(6S)) 3AQDY
$16.95 Save $18.00 RRP: $34.95
M60 RF Modulator AV to RF Converter for TV Signal Transmission
$20.95 Save $43.05 RRP: $64.00
Amplifier Board DIY Kit, LM1875T DIY Kit 20W Mono Channel HiFi o Power Amplifier Board
$14.95 Save $18.00 RRP: $32.95
Uadme Fan Speed Controller, 1 Channel Temperature Control Board for 2‑3 Wire 5‑12V Fans
$20.95 Save $18.00 RRP: $38.95
Rankomu LM1875T DIY Kit 20W Mono Channel HiFi o Power Amplifier Board IWIYB
$14.95 Save $18.00 RRP: $32.95