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Under $20 Circuit Boards & Components

Shop the best prices on 88,039 great value under $20 circuit boards & components. Shopping for circuit boards & components is easy with Fruugo, with SALE discounts, offers and savings on Lift-Spares, Viewleaf, Velleman and more. Buy circuit boards & components online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 88,039
2Pieces Current Sensors Module Detection Hall Effect Sensors NonContact Design for Current Circuits and Power Monitoring Multicolor
$0.95
PWM Motor Speed Controller, DC 6-60V 30A DC Motor
$12.95 Save $2.00 RRP: $14.95
ESP32-S3 WiFi+Bluetooth 16MB Flash D1 R3 Board Module N16R8 for DevKitC-1 Development Board Wireless
$14.95 Save $25.00 RRP: $39.95
4900 QT Py RP2040 Microcontroller USB Type C Compact Microcontroller Ideal for DIY Electronics and Robotics Projects
$18.95 Save $9.00 RRP: $27.95
Water Pump Automatic Perssure Control Electronic Switch Circuit Board 10A Pumpgreen szrh21
$12.95 Save $30.00 RRP: $42.95
2.4G Full Scale Main Board Receiver Board Circuit Board for MN78 MN82 1/12 RC Car Spare Parts Access
$10.95 Save $6.00 RRP: $16.95
Motor and Air Compressor - 150uF 250V AC with Wire Lead CD60
$10.95 Save $3.00 RRP: $13.95
DC 10-55V 100A 3000W Motor Speed Controller Reversible PWM Control Forward and Reverse Controller
$14.95 Save $34.00 RRP: $48.95
500Pcs Fast Switching Diode 1N4148 200mA 100V Electronic Conponents
$11.95 Save $12.00 RRP: $23.95
CBB60 450V 40uf Water Pump Capacitor For Washing Machine 50/60Hz
$19.95 Save $12.00 RRP: $31.95
8-30V DRV8313 Simple FOC Mini Brushless Motor Driver Board
$13.95 Save $4.00 RRP: $17.95
500Pcs 1N4148 High-speed Switching Signal Diode DO-35 Winomo
$16.95 Save $67.05 RRP: $84.00
35x50mm 80V 10000uF Electrolytic Capacitor Filter Current Condenser For Audio Am
$9.95 Save $64.05 RRP: $74.00
Universal 35uf Microfarad Appliance Motor Start Run Capacitor
$10.95 Save $4.00 RRP: $14.95
4-Pack 2N3055 NPN Audio Power Transistors - 15A 60V, TO-3 Package
$6.95 Save $3.00 RRP: $9.95
CBB60 Motor Running Capacitor, 450V 60uf for Household Electric Appliances
$12.95 Save $38.00 RRP: $50.95
Upgrade TI OPA828 Dual Single Op Amp Low-Offset Low-Drift Low-Noise Operational Amplifiers Op Amp A
$15.95 Save $7.00 RRP: $22.95
USB Wired Cute Mouse for Kids Ergonomic Design Animal Green Frog Shape Corded Computer Mouse for Laptop PC
$18.95 Save $5.00 RRP: $23.95
Charging Protection Circuit Board PCB Board for Metabo 18V Lithium
$16.95 Save $11.00 RRP: $27.95
2 Pack H7 Canbus Wireless Light Adapter Led Decoder Automotive Load Resistor Error Eliminator
$12.95 Save $37.00 RRP: $49.95
For 2 RP2350 Bit Board Programming Development Board Compatible with Micro-Bit
$19.95 Save $12.00 RRP: $31.95
CBB61 8uF 450V AC Ceiling Fan Capacitor Polypropylene Film 47x23x41mm-JJ
$14.95 Save $174.05 RRP: $189.00
MIDI Shield for Arduino Musical Interface Board with MIDI in/OUT/THRU Ports Ideal for Microcontroller Music Projects
$11.95 Save $6.00 RRP: $17.95
3DR Mini OSD MiniOSD Mavlink APM2.6 2.8 Flight Control Board for MAX7456
$17.95
For Atari 2600 to SNAC USB 3.0 Controller Converter for Mister FPGA
$12.95 Save $1.00 RRP: $13.95
12pcs Dc 5v-36v 400w Mos Fet Trigger Switch Board
$18.95 Save $5.00 RRP: $23.95
H7EC N without Input Voltage Digital Electrical Counter Totalizer with 8-gigit LCD Display
$11.95 Save $4.00 RRP: $15.95
2 Pcs 223F Style Dual 20pF Variable Capacitor for FM Radio
$11.95 Save $1.00 RRP: $12.95
12 X Potentiometer Pot Metal Knob With 0-9 Turntable For 6mm Shaft Knob
$14.95 Save $32.00 RRP: $46.95
4 Channel Relay DTMF Tone Signal Decoder Remote Control Relay Module
$20.95 Save $32.00 RRP: $52.95
2Pcs BTS7960 43A High Power Motor Driver Module Smart Car Driver Module for Arduino Current Limit
$15.95 Save $19.00 RRP: $34.95
3 Pcs 150uf 450v 150mfd 450volt Electrolytic Capacitor
$12.95 Save $32.00 RRP: $44.95