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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
10Pcs T5577 EM4305 Copy Rewritable Writable RFID Tag Card,Black
$12.95
Signal Module PCB Medium Low Frequency Source Square Triangular Sine Wave ICL8038
$20.95 Save $18.00 RRP: $38.95
RF Module Ultra Wideband Amplifier 5M-6GHz 20dB Gain 34x25mm
$12.95 Save $7.00 RRP: $19.95
DC-DC Buck Step Down Converter, Buck Converter Step Down Module, Adjustable Power Supply Module 6.5V-60V to 1.25-30V 10A 0N8J5
$20.95 Save $18.00 RRP: $38.95
12V/9V Lithium Battery Step Up Module 5 in 1 Boost Board UPS Charge Discharge, High Efficiency Boost with Load 2W
$20.95 Save $18.00 RRP: $38.95
Full Automatic Water Level Controller PCB Low Consumption Liquid Level Detection Sensor Module DC12V
$18.95 Save $18.00 RRP: $36.95
Battery Charger Module Type C To 8.4V Good Protection Boost Voltage Lithium Battery Charging Board Green 2A
$20.95 Save $18.00 RRP: $38.95
LED Battery Indicator 3 Colors Battery Monitor Meter for Acid Ternary Lithium LiFePO Batteries DC5‑30V
$14.95 Save $18.00 RRP: $32.95
G1/2 Thread Connector Muffler Filter Silencer for Oilless Air Compression
$20.95 Save $18.00 RRP: $38.95
4" Glass Grinding Wheel for Angle Grinder Outside Diameter 100mm Cutting Wheel
$20.95 Save $18.00 RRP: $38.95
1pc 1.3 inch OLED Display Module IIC I2C Communicate 128X64 BlueText Color
$20.95 Save $18.00 RRP: $38.95
100mm 4" Wet Diamond Grinding Disc Polishing Pad for Granite Marble Stones(Granularity 3000)
$16.95 Save $18.00 RRP: $34.95
100pcs Momentary Tactile Push Button Switch Mini Micro Tact Switch Accessory 6 x 6 x 5mm
$16.95 Save $5.00 RRP: $21.95
2 Channel PWM Frequency Duty Cycle Adjustable Wave Rectangle Signal Generator
$16.95 Save $18.00 RRP: $34.95
Adjustable Buck Converter Module 5A DC4‑38V Input DC1.25‑30V Output Buck Voltage Regulator
$19.95 Save $6.00 RRP: $25.95
3.3V-5V Three- Axis MPU-6050 Accelerometer Sensor & Gyroscope 6DOF Module
$14.95 Save $18.00 RRP: $32.95
5'' inch 125mm Wet Diamond Polishing Pads Grinding Discs For Granite Concrete Marble(2000)
$21.95 Save $19.00 RRP: $40.95
Constant Current Voltage Power Supply Module 5A Voltage Regulation Lithium Battery Charging LED Module
$20.95 Save $18.00 RRP: $38.95
Power Supply Buck Module Constant Current Voltage Converter Board with USB Interface 5A
$21.95 Save $19.00 RRP: $40.95
Humidity Module ABS Shell Linear Output Quick Response Heat Resistant Sensor Module for Greenhouse 0‑3V
$18.95 Save $18.00 RRP: $36.95
2ch 4-20mA Current Signal Acquisition Sampler Board RS485 Module for PLC Current Transmit Measuring Instruments
$20.95 Save $18.00 RRP: $38.95
FM Transmitter Module Board 0.7-9V 88-108MHz o Transmit Module FM Microphone Wireless Pickup FM Transmitting MIC Core Board V4.0
$17.95 Save $15.00 RRP: $32.95
100mm 4" Wet Diamond Grinding Disc Polishing Wheel for Granite Marble Stone(Granularity 500)
$16.95 Save $18.00 RRP: $34.95
5V~48V 10A DC Power Supply/Battery Automatic Switch Module Emergency Controller
$16.95 Save $18.00 RRP: $34.95
Risegun DC-DC Buck Step Down Converter, Adjustable Power Supply Module 6.5V-60V to 1.25-30V 10A
$21.95 Save $18.00 RRP: $39.95
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
TL341 Voltage Reference Converter Module Fit for OPA ADC DAC LM324 AD0809 ARM STM32 MCU(±3.3V)
$14.95 Save $18.00 RRP: $32.95
TICFOX Counter Module High Quality 4 Digit Digital Display with Memory Function QF C04 DC4-40V
$20.95 Save $18.00 RRP: $38.95
Uadme Fan Speed Controller, 1 Channel Temperature Control Board for 2‑3 Wire 5‑12V Fans
$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
TICFOX XL4015 Module High Conversion Efficiency Adjustable DCDC Buck with Voltage Meter Display 75W
$18.95 Save $19.00 RRP: $37.95