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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
Ch32v307 Evaluation Board Risc-v Mcu Onboard Wch-link Ch32v307vct6 Ch32v307v-evt-r1 Wch
$20.95
Electric Welder 450V 470uF Aluminum Electrolytic Capacitor Volume 30x50
$17.95
635nm 650nm 808nm 980nm TTL Laser Diode Driver Board Drive 5V Supply 50-300mA
$18.95
CCFL Dual Lamp High Pressure Inverter Board LCD Screen Backlight 10-26" 10-28V
$21.95
10Pcs CBB22 105J 400V Metallized Film Capacitors 1UF P20mm Thin Film Capacitors
$16.95
CH9329 Module Serial Port to Standard USB HID Keyboard and Mouse Device Module Supports 12Mbps Compatible with USBV2.0 unbrand
$8.95
LoRa Node Module with SX1262 and ASR6502 Chips, Compatible with LoRaWAN Protocol for IoT Communication
$18.95 Save $19.00 RRP: $37.95
5pcs 450V 47UF Aluminum Electrolytic Capacitors For LCD TV LED 13x42mm
$19.95
88 Microcontroller With 16.0MHz 5V Regulator And 500mA IDE 1.0+ Compatible Dewu
$20.95 Save $11.00 RRP: $31.95
50pcs Micro Button 10-Types Remote Control Button SMD SMT Button Micro Switch FK YC
$18.95
ST-Link V2 Programming Unit Emulator Downloader + 40Pin STM32F103C6T6 ARM STM32 SWD Minimum System
$9.95
PY32F030 PY32F030K28U6TR Chip 48Mhz 32-Bit ARM Microcontroller MCU Core Development Board Module 64
$8.95
NRF54L15 Module Multi Core Processor High Performance Low Power Bluetooth 6.0 IoT NRF54L15 Module
$17.95 Save $3.00 RRP: $20.95
AVR USB ISP Asps Programmer Downloader With 10Pin To 6Pin Adapters Cable Board For Firmware Updates And Debuggings Multicolor
$18.95
ESP8684 32bit WiFi Bluetooth-Compatible 5 Wi-Fi Wireless Module
$8.95 Save $3.00 RRP: $11.95
Small Size NRF51822 Bluetooth Module 2.4GHz Transceiver
$13.95 Save $5.00 RRP: $18.95
PTR54L15SX Low Power Bluetooth 6.0 Module with Dual-Core Processor for Smart Wearable Industrial IoT Development
$20.95 Save $13.00 RRP: $33.95
1~10PCS ESP32 ESP-32 bluetooth-compatible And WIFI Dual Core CPU With Low Power Consumption MCU
$18.95 Save $5.00 RRP: $23.95
La42dwq-22 1k 2k 5k 10k Rotary Potentiometer Converter Governor Inverter
$12.95 Save $6.00 RRP: $18.95
ATMEGA32A-PU DIP ATMEL ATMEGA32A ATMEGA32 DIP40 Programmable Flash In Stock
$18.95 Save $40.05 RRP: $59.00
ATMEGA128A-AU ATMEGA128A ATMEGA128 8-bit Microcontroller with 128K Bytes In-System Programmable Flash
$10.95 Save $37.00 RRP: $47.95
ATTINY2313A-PU ATTINY2313 DIP20 MCU 8-bit ATtiny AVR RISC 2KB Flash 2.5V/3.3V/5V 20-Pin DIP new
$10.95 Save $37.00 RRP: $47.95
ATMEGA48 TQFP32 MCU 8-Bit ATmega AVR RISC 4KB Flash 2.5V/3.3V/5V 32-Pin TQFP ATMEGA48PA-AU
$10.95 Save $37.00 RRP: $47.95
5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino
$12.95 Save $35.00 RRP: $47.95
Hwfly Picofly compatible with Raspberry Pi RP2040 Chip Console Upgradable
$11.95 Save $25.00 RRP: $36.95
Fingerprint Recognition Module Square Semiconductor Capacitive Fingerprint Acquisition Sensor Switch
$17.95
2.4Ghz Bluetooth 6.0 Module NRF54L15 Chip Ultra-Low Power Grid Development Board Consumer Electronic
$18.95 Save $10.00 RRP: $28.95
Small Size NRF51822 Bluetooth Module 2.4GHz Transceiver Bluetooth Module with Strong Stability
$15.95 Save $8.00 RRP: $23.95
2pcs Dual Motor Driver 1A TB6612FNG Microcontroller
$20.95 Save $11.00 RRP: $31.95
ST Link V2 Mini STM8 STM32 Programming DuPont Cable (Random Color)
$19.95 Save $31.00 RRP: $50.95
PTR54L15SX Low Power Bluetooth 6.0 Module with Dual-Core Processor for Smart Wearable Industrial IoT Development
$18.95 Save $9.00 RRP: $27.95