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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.

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1 - 32 of 228
10Pcs T5577 EM4305 Copy Rewritable Writable RFID Tag Card,Black
$17.95
RF Module Ultra Wideband Amplifier 5M-6GHz 20dB Gain 34x25mm
$17.95 Save $10.00 RRP: $27.95
LED Battery Indicator 3 Colors Battery Monitor Meter for Acid Ternary Lithium LiFePO Batteries DC5‑30V
$20.95 Save $26.00 RRP: $46.95
3.3V-5V Three- Axis MPU-6050 Accelerometer Sensor & Gyroscope 6DOF Module
$20.95 Save $26.00 RRP: $46.95
TL341 Voltage Reference Converter Module Fit for OPA ADC DAC LM324 AD0809 ARM STM32 MCU(±3.3V)
$20.95 Save $26.00 RRP: $46.95
Potentiometer Module, 10K Potentiometer Module Adjustable Resistor Single Turn Rotary Module Analog Output 0‑5V, Knob Adjustment
$16.95 Save $26.00 RRP: $42.95
Amplifier Board DIY Kit, LM1875T DIY Kit 20W Mono Channel HiFi o Power Amplifier Board
$20.95 Save $26.00 RRP: $46.95
Rankomu LM1875T DIY Kit 20W Mono Channel HiFi o Power Amplifier Board NIN8R
$20.95 Save $26.00 RRP: $46.95
Rankomu LM1875T DIY Kit 20W Mono Channel HiFi o Power Amplifier Board IWIYB
$20.95 Save $26.00 RRP: $46.95
0.96 Inch OLED Display Module 12864 Screen Module with Matrix & 4 Key Keyboards IIC
$12.95
Boost Converter Module Voltage Step Up Board DC 1.5V 1.8V 2.5V 3V 3.3V 3.7V 4.2V to DC 5V
$18.95 Save $25.00 RRP: $43.95
Uadme USB Power Supply Module, DC3.5‑12V to DC1.2‑24V Buck Boost Voltage Regulator Converter Module, Voltage Conversion, Precise Interface
$21.95 Save $26.00 RRP: $47.95
Timer Relay Module DC 5-30V LED Display Delay On/Off Relay Module Trigger Cycle Delay Time Switch
$20.95 Save $26.00 RRP: $46.95
12V-40V 10A PWM DC Motor Governor Stepless Variable Speed Control Switch Module
$19.95 Save $39.05 RRP: $59.00
Uadme o Amplifier Board, Mini Mono Amp Module Low Noise Accessory 5V for Speaker Equipment
$16.95 Save $25.00 RRP: $41.95
0.96 Inch OLED Display Module 12864 Screen Module with Matrix & 4 Key Keyboards IIC
$11.95
0.96 Inch OLED Display Module 12864 Screen Module with Matrix & 4 Key Keyboards IIC
$11.95 Save $6.00 RRP: $17.95
0.96 Inch Oled Display Module 12864 128x64 Pixel Driver Iic I2c Serial Mini Self-luminous Display S
$19.95
Piezoelectric Vibration Tapping Sensor Module Vibration Switch Module 5.0V DC AD/DO
$20.95 Save $26.00 RRP: $46.95
Pulse Generator Module Adjustable Frequency 1 Way Signal Output NE555 Chip for DIY
$18.95 Save $25.00 RRP: $43.95
MH MX8 Module Wireless for Bluetooth o Receiver Board Lossless Decoder Kit M18 M28 M38(M18 Patch Type )
$18.95 Save $25.00 RRP: $43.95
2PCs Darlington Transistor Arrays Module ULN2803A Industrial Electrical Accessory Purple 50V
$20.95 Save $26.00 RRP: $46.95
o Amplifier Board Mini Mono Amp Module Low Noise Accessory 5V for Speaker Equipment
$18.95 Save $25.00 RRP: $43.95
AC Current Sensor 5A Range Single Phase Current Transformer Module
$20.95 Save $26.00 RRP: $46.95
TTL to RS485 Converter Module Automatic Flow Direction Control Adapter Board
$20.95 Save $26.00 RRP: $46.95
Step Motor Driver 2 Way CW CCW Rotation PWM Speed Regulation Dual H Bridge Board 2.5A
$20.95 Save $26.00 RRP: $46.95
5V 1A UPS Uninterruptible Power Supply Module 18650 Lithium Ion Battery Boost Step Up Module
$20.95 Save $26.00 RRP: $46.95
Nimomo Non Contact Liquid Level Sensor, Accurate Capacitive Water Level Switch Liquid Detection Sensor DC5V
$22.95 Save $25.00 RRP: $47.95
2A 5V 4in1 Charger Discharge Module Charge Protection Board for 3.7V 4.2V Li ion Battery
$18.95 Save $25.00 RRP: $43.95
Liion Battery Charger Module Boost Charging Board Electronic Component DDTCCRUB 4S4A
$20.95 Save $26.00 RRP: $46.95
RC Absorption Circuit Module Anti Interference Crimp Terminal Lightweight Portable RC Absorption Relay
$18.95 Save $25.00 RRP: $43.95
Photoresistor Relay Module XHM131 5V Brightness Automatic Control Light Detection Sensor
$20.95 Save $26.00 RRP: $46.95