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Under $20 Circuit Boards & Components

Shop the best prices on 65,674 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, Ufixt, Rosfix 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 3,200
5Pcs 20mm Fogger Ultrasonic Ceramic Disc Sheet Atomizer Humidifier Accessories
$16.95 Save $6.00 RRP: $22.95
CW4L2-20A-S 20A AC Power EMI Filter 220V Anti-Interference EMI Power Filter
$21.95 Save $9.00 RRP: $30.95
NE555 LED Strobe Light Kit-DIY Electronic Welding Practice Kit with Red, White,and Blue Flashing LEDs-Alert Light Module
$10.95 Save $4.00 RRP: $14.95
RS422 Mutual Conversion TTL Two-Way Signal Module Full Duplex 422 Turn Singl MAX490 to TTL Module 2pc
$9.95 Save $6.00 RRP: $15.95
450V 100uF Capacitance Electrolytic Radial Capacitor High Frequency Low ESR Multicolor
$14.95
RCO410 Refrigerators Hard Start Capacitor Compressor Hard Start Capacitor Kit for Refrigerators Home
$18.95 Save $12.00 RRP: $30.95
Buck Converter 200W 15A DC-DC 8-60V 48V to 1-36V 5V 12V 24V 19V Buck Converter Step-Down Power Module
$13.95
M8x0.75mm to 1/2‑28 Thread Adapter Screw Pipe Thread Connector Adapter for Walther P22
$13.95 Save $5.00 RRP: $18.95
4900 QT Py RP2040 Microcontroller USB Type C Compact Microcontroller Ideal for DIY Electronics and Robotics Projects
$18.95 Save $11.00 RRP: $29.95
ESP32 Development Board USB Dongle Bluetooth Gateway MicroPython ESPHome
$13.95 Save $3.00 RRP: $16.95
10Pcs PCB Board Through Hole PC817C PC817 EL817 817C Optocoupler DIP-4
$6.95
Compactly USBTinyISP AVR ISP Programmer For Microcontrollers Development With 6Pin /10Pin Bootloader Support 5V1A Multicolor
$21.95
5 PCS KY-040 Rotary Encoder Module, 360 Degree Rotary Encoder with Knobs Cap Brick Sensor Modules f
$11.95 Save $3.00 RRP: $14.95
For Banana Pi R4 Development Board Open Source Router Protective Case
$14.95 Save $9.00 RRP: $23.95
10Pcs 50W 6 Ohm Aluminum Case Resistor with 5% Tolerance
$16.95 Save $11.00 RRP: $27.95
2-Wired Cord 30uF 450VAC 50/60Hz CBB60 Motor Start Run Capacitor
$9.95 Save $3.00 RRP: $12.95
TTL to MBUS, Serial Port to MBUS Slave Module, Instead of TSS721A, Signal Isolation
$18.95
For 2020C Professional Hair Clipper Motherboard, Computer Control Chip, PCB Accessories Circuit Boa
$16.95 Save $37.05 RRP: $54.00
Professional DSD TECH SH-U10 USB to RS485 Converter with CP2102 Chip
$17.95
GY-31 TCS230 TCS3200 Color Sensor Module Color Recognition Sensor Module
$10.95
CH347 High-Speed Programmer Module 24 EEPROM 25 SPI FALSH
$17.95 Save $5.00 RRP: $22.95
MAX31865 Temperature Measurement Module Collector PT100 Serial Port Host Computer for Ardunio/STM32 Serial Port Output
$18.95
5X Acrylic Case for 2.8 Inch Display Screen ESP32 Development Board LCD TFT Module with Touch WROOM Protective Shell
$15.95
Motor Hall Board Electric Scooter Hall Sensor Board for MAX G2 Motor Hall Sensor PCB Board Electric
$8.95 Save $2.00 RRP: $10.95
ESP32 Expanding Board Breakout Board for ESP-WROOM-32 ESP32-DevKitC GPIO 1 Into 3 38Pins ESP32 Module
$15.95 Save $4.00 RRP: $19.95
5A Round Button Sofa Lift Controller Single Motor Controller
$21.95 Save $13.00 RRP: $34.95
Electrolytic Capacitor Kit 15 Value 300PCS 47PF-472PF 1000V-2000V Assortment
$19.95 Save $8.00 RRP: $27.95
2Pcs CAN Bus Transceiver Module TJA1050 Receiver STM32 Code for Controller Development Board 4.75 ~ 5.25V
$13.95 Save $8.00 RRP: $21.95
ESP32-DevKitC core board ESP32 development board ESP32-WROOM-32D ESP32-WROOM-32U
$15.95 Save $38.05 RRP: $54.00
Conditioner Indoor Unit Signal Receiving Control Board for SamSung DB93-10861A Display PCB DB41-01017A Conditioning
$20.95 Save $14.00 RRP: $34.95
UPC1237 DC 12-24V Dual Channel Speaker Protection Circuit Board Boot Mute Delay
$11.95 Save $3.00 RRP: $14.95
60cm High Efficiency 3.7V MX2.0-2P Lithium Charger Cable for Quadcopter UAV Aircraft Constant Current Charging
$14.95