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Under $20 Electronic Oscillators

Shop the best prices on 1,090 great value under $20 electronic oscillators. Shopping for electronic oscillators is easy with Fruugo, with SALE discounts, offers and savings on Elriven. Buy electronic oscillators online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 1,090
DC5V Schuman Wave Generator 7.83HZ Ultra-Low Frequency Pulse Wave Generator Type-C Audio Resonator for Home and Office
$8.95
NE555 Pulse Frequency Duty Cycle Adjustable Module 5V12V Square Wave Signal Generator Red Module
$20.95 Save $11.00 RRP: $31.95
10Pcs 5v Active Buzzer Long Continous Beep Tone Alarm Ringer 12mm MINI Active Piezo Buzzers For Computers Printers Multicolor
$16.95 Save $2.00 RRP: $18.95
For Dc 12v 85db Mini Electronic Alarm Buzzer Constant Tone
$11.95 Save $32.00 RRP: $43.95
Bio-Healing V2 Schumann-Resonance Generator Ultra Low Frequency
$14.95 Save $13.00 RRP: $27.95
100dB Loud Electronic Buzzer for DIY, 4 PCS Active Piezo Buzzer Alarm DC 3V 12V 24V
$22.95 Save $76.05 RRP: $99.00
2 Channel PWM Frequency Duty Cycle Adjustable Wave Rectangle Signal Generator
$14.95 Save $5.00 RRP: $19.95
50pcs 10Value 32.768KHz -24MHz DIY Quartz Crystal Oscillator Assorted Kit Set
$14.95 Save $26.00 RRP: $40.95
7.8HZ Schumann Wave Generator Ultra Low Frequency Pulse Generator with Light Indicator for Healthy Quality Improvement
$16.95 Save $10.00 RRP: $26.95
30-Piece Active Buzzer Module Electronic Building Blocks Active Buzzer Module High-Level Trigger Bu
$18.95
Square Wave Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module XYPWM Switch
$15.95 Save $9.00 RRP: $24.95
5pcs DC 3-24V 95dB Active Buzzer Alarm Continuous Beep for DIY Electronics SFM-27
$13.95 Save $8.00 RRP: $21.95
6pcs Active Piezoelectric Buzzer 3V24V Electronic Alarm Module for DIY Projects 4.8x3cm
$20.95 Save $11.00 RRP: $31.95
2Pack DC 324V Piezo Buzzer 85dB Loud Continuous Tone Electronic Alarm for Car and DIY
$20.95 Save $11.00 RRP: $31.95
I2C Clock Generator Module 8KHz-160MHz for Arduino-Compatible Projects
$12.95 Save $15.00 RRP: $27.95
ICL8038 Signal Generator Medium/Low Signal Frequency 10Hz-450KHz Triangular/Rectangular/Sine Wave Ge
$10.95 Save $4.00 RRP: $14.95
5Pcs NE555 Pulse Module Frequency Duty Cycle Adjustable Module Squares Wave Signal Generator
$17.95 Save $9.00 RRP: $26.95
PWM Pulse Square Rectangular Wave Signal Generator Module with LCD Display Adjustable Frequency for Electronics Testing and Repair
$6.95 Save $4.00 RRP: $10.95
Schumann Wave Generator 7.8Hz Ultra-Low Frequency Pulse Schumann Resonance Generator USB Powered Audio Resonator for Relax Sleep w
$20.95 Save $2.00 RRP: $22.95
Bird in the Hand Themed Playing Cards 54 Pieces of Stunning Custom Art Bird on Every Card in the De
$12.95 Save $3.00 RRP: $15.95
70Pcs 32.768K 20MHZ Crystal Oscillator Electronic Kit
$2.95 Save $4.00 RRP: $6.95
2Pcs 3 Channel PWM Pulse Generator Adjustable Frequency Square Wave Rectangular Wave Signal Generat
$11.95 Save $2.00 RRP: $13.95
DC5V Schuman Wave Generator 7.83HZ Ultra-Low Frequency Pulse Wave Generator Type-C Audio Resonator for Home and Office
$8.95
Adjustable Signal Generator, PWM Pulse Frequency Duty Cycle Rectangular Wave Square Wave Signal Generator 3.3-35V 5-30MA
$18.95 Save $9.00 RRP: $27.95
Schumann Wave Generator 7.83HZ Ultra Low Frequency Pulse Generator Sound Resonator with USB Cable for Relax Sleep
$14.95 Save $8.00 RRP: $22.95
ICL8038 Signal Generator Medium/Low Signal Frequency 10Hz-450KHz Triangular/Rectangular/Sine Wave Generator Module
$8.95 Save $4.00 RRP: $12.95
Constant Temperature 10mhz Ocxo Frequency Reference Source Sine Wave Square Wave Frequency Trimming 26-27s
$19.95 Save $20.00 RRP: $39.95
2025 SFM20B High Decibel Active Buzzer Alarm Speaker DC324V Continuous Sound Buzzer 2312 Piezoelectric Piezo Electronic ( Color : 1pcs )
$16.95 Save $17.00 RRP: $33.95
6 Rolls 10mm X33M(108Ft) Clear Heat Tape for Heat Sublimation Press No Residue and Heat Transfer Vinyl
$19.95 Save $4.00 RRP: $23.95
Générateur d'ondes Schumann 7,8 Hz, générateur d'impulsions à très basse fréquence avec indicateur lumineux pour une meilleure santé
$20.95 Save $6.00 RRP: $26.95
Module oscillateur à cristal d'horloge 10 M, précision 0,1 ppm, boîtier en aluminium
$19.95 Save $6.00 RRP: $25.95
Générateur d'ondes Schumann 7,83 Hz Stimule le sommeil profond Générateur d'impulsions stables à très basse fréquence
$19.95 Save $6.00 RRP: $25.95