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Under $20 Microcontrollers

Shop the best prices on 831 great value under $20 microcontrollers. Shopping for microcontrollers is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf. Buy microcontrollers online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 831
4900 QT Py RP2040 Microcontroller USB Type C Compact Microcontroller Ideal for DIY Electronics and Robotics Projects
$19.95 Save $8.00 RRP: $27.95
Transparent (A)$High-definition vinyl player measuring cartridge tonearm VTA balance and Azimuth adjustment ruler
$16.95
Motorcycle Electrical Starter Solenoid Relay For Honda-vt750c Shadow 2000
$20.95 Save $21.00 RRP: $41.95
Microcontroller Mini Development Board RP2040 Chip Dual Core Processor Support C C++ Python for Raspberry Pi
$19.95 Save $6.00 RRP: $25.95
ST-Link V2 Mini STM8 STM32 Simulator Download Programmer Programming with Cover DuPont Cable ST Link
$12.95
ST-Link V2 Mini STM8 STM32 Programming Cable with Dupont Connector
$12.95 Save $34.00 RRP: $46.95
5PCS ESP8266 ESP-12F WiFi Serial Module Microcontroller Remote Port Network Development Board for Arduino NodeMCU
$15.95 Save $10.00 RRP: $25.95
STM32F103C6T6 ARM-Based ST-Link V2 Emulator with 40-Pin Downloader and Minimum System Board
$10.95 Save $13.00 RRP: $23.95
30A 6-60V Battery Charger Control Module Overcharge for Protection Control Switc unbrand
$21.95 Save $3.00 RRP: $24.95
St-link V2 Programming Unit Emulator Downloader + 40pin Stm32f103c6t6 Arm Stm32 Swd Minimum System
$19.95 Save $20.00 RRP: $39.95
2025 Digital Current Display Microcontroller Spot Welding Machine DIY Control Board
$15.95 Save $15.00 RRP: $30.95
Programmer For Atmel Microcontrollers And Development Boards With ISP Interface
$20.95 Save $28.00 RRP: $48.95
PIC K150 Microcontroller USB Programmer with 40pin Dip Programming Socket Directly Program 8p to 40pin Dip Chips 25-26s
$17.95 Save $18.00 RRP: $35.95
PIC K150 Programmer Microchip PIC Burner USB Downloader with Cable
$19.95 Save $6.00 RRP: $25.95
GT-U7 Satellite Navigation Module 10M MCU STM32 MCU for
$19.95 Save $1.00 RRP: $20.95
LilyPad 328 Main Boards ATmega328P Programmable Microcontroller for Innovative Wearable Electronics Interactive Clothing
$20.95
LilyPad 328 Main Boards ATmega328P Programmable Microcontroller for Innovative Wearable Electronics Interactive Clothing
$20.95
Soldering Practice SMD Circuit Board LED Electronics Project DIY Kit
$10.95 Save $5.00 RRP: $15.95
La42dwq-22 1k 2k 5k 10k Rotary Potentiometer Converter Governor Inverter
$10.95 Save $8.00 RRP: $18.95
ATMEGA8-16PU ATMEGA8A-PU MEGA8-16 Microcontroller Chip 25-26
$14.95 Save $15.00 RRP: $29.95
SU-03T Home Voices Interfaces Module With Offlines Operation Mode Multiple Device Compatibility For Lighting Curtain Control Multicolor
$19.95
Small Size NRF51822 Bluetooth Module 2.4GHz Transceiver Bluetooth Module with Strong Stability
$15.95 Save $4.00 RRP: $19.95
ST-Link V2 Programming Unit Emulator Downloader + 40Pin STM32F103C6T6 ARM STM32 SWD Minimum System
$16.95 Save $14.00 RRP: $30.95
CBB60 AC450V 25UF 50/60Hz Capacitor Motor Conditioner Compressor Start Capacitor
$22.95
TDA7388 Power Amplifier Board Four Channel 4x41W DC 12V-14.5V PCB Bare Board
$16.95
10pcs/lot BF350-3AA Resistive Strain Gauge 350 Ohm High Precision Good Stability for ressure Sensor Load Cell
$19.95
5 Pcs 6.5x14.5cm Stripboard Veroboard Uncut PCB Platine Single Side Circuit Boar
$20.95
AC-DC Converter 6/12/24V To 12V Full-bridge Rectifier Filter Power Supply Module
$16.95
100 Pcs 10 Values Thermistor Temperature 1K 2K 3K 4.7K 5K 10K 20K 47K 50K 100K
$21.95
St-link V2 Programming Unit Emulator Downloader + 40pin Stm32f103c6t6 Arm Stm32 Swd Minimum System
$14.95 Save $69.05 RRP: $84.00
HC-05 Wireless Bluetooth RF Transceiver Module Board Serial TTL For ardui
$13.95 Save $5.00 RRP: $18.95
DIY lm386 Ultra Mini Power Amplifier Board Kits Low 3~12V Consumption
$10.95 Save $4.00 RRP: $14.95