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Under $20 Microcontrollers

Shop the best prices on 815 great value under $20 microcontrollers. Shopping for microcontrollers is easy with Fruugo, with SALE discounts, offers and savings on FUSIONREPUBLIC and Jtgg. Buy microcontrollers online safely with Fruugo, with secure payment and fast shipping to Australia.

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1 - 32 of 815
4900 QT Py RP2040 Microcontroller USB Type C Compact Microcontroller Ideal for DIY Electronics and Robotics Projects
$21.95 Save $14.00 RRP: $35.95
DFPlayer Mini MP3 Module Compact Audio Board With TF Card Support For Arduino And Microcontroller Projects
$19.95
Serial Module ESP-12E ESP8266 Serial Port Complete 802.11B/G/N Wi-Fi SOC Portable Module
$14.95 Save $8.00 RRP: $22.95
DIY Game Kit Pixel Game Console 51 Microcontroller Game Console Snake Racing Pixel Game Console with Acrylic Case
$21.95 Save $10.00 RRP: $31.95
New Microcontroller TWen32F003 CH32V003F4P6 Core Board Development Board with RISC V TWen32F003 CH32V003F4P6
$16.95
ST-Link V2 Mini STM8 STM32 Simulator Download Programmer Programming with Cover DuPont Cable ST Link
$19.95 Save $19.00 RRP: $38.95
4 Sets Microcontroller System Board MCU Development Module STC15W204S Electronic Component
$14.95 Save $14.00 RRP: $28.95
Top for JLINK V9 ARM Emulator USB-JTAG Adapter Emulator STM32 ARM MCU
$20.95 Save $22.00 RRP: $42.95
st link v2 mini with dupont cable for stm32 stm8
$10.95 Save $5.00 RRP: $15.95
MAX9814 Programmable Agc Microphone Amplifier Board With Auto Gains Control For Development Projects Multicolor
$20.95
Picofly Console with RP2040 Chip for Raspberry Pi Upgradable System
$12.95 Save $22.00 RRP: $34.95
St-link/v2 St-link V2(cn) St Link Stlink Emulator Download Manager Stm8 Stm32 Artificial Device New
$17.95 Save $9.00 RRP: $26.95
Modules de clavier avec 16 touches, 4x4 boutons poussoirs, clavier externe pour MCU
$19.95 Save $5.00 RRP: $24.95
ESP32-C5 2.4G&5G Dual-Band Wi-Fi 6 Module 8M Flash Bluetooth 6.0 20dbm Wireless Communication Modul
$16.95 Save $4.00 RRP: $20.95
Pic K150 Icsp Programmer Usb Automatic Programming Develop Microcontroller +usb Icsp Cable
$14.95
ESP32-ETH Embedded Serial Port Networking Bluetooth-Compatible Ethernet WIFI Combo Gateway MCU ESP32
$19.95 Save $6.00 RRP: $25.95
Small Size NRF51822 Bluetooth Module 2.4GHz Transceiver Bluetooth Module with Strong Stability
$18.95 Save $5.00 RRP: $23.95
NRF54L15 Module Multi Core Processor High Performance Low Power Bluetooth 6.0 IoT NRF54L15 Module
$20.95 Save $6.00 RRP: $26.95
For Pico A Low-cost, High-performance Microcontroller Board With Flexible Digital Interfaces
$11.95
STM32F103 C8T6/ C6T6 System Board Microcontroller Core Board STM32 STM32F103C6T6 STM32F103C8T6 ARM Multicolor
$20.95
Rd-03D 24G Multi-Target Human Motion Trajectory Localization and Radar Module on-Board PCB
$11.95 Save $31.00 RRP: $42.95
NRF51822 Bluetooth Module Ibeacon Base Station Positioning with Shell
$6.95 Save $4.00 RRP: $10.95
Kit2 Kit3 PICkit3 PIC Debugger Programmer Emulator PIC Controller 1
$17.95 Save $31.00 RRP: $48.95
Small Size NRF51822 Bluetooth Module 2.4GHz Transceiver Bluetooth Module with Strong Stability
$17.95 Save $4.00 RRP: $21.95
New W5500 Ethernet Network Module Hardware IP 51 / STM32 Microcontroller Program over W5100 Mini W55
$15.95 Save $7.00 RRP: $22.95
ESP8266 Serial Port WIFI Model Remote Wireless Control WIFI Model ESP-07 Model Storage 1MB
$11.95
STM32F103 C8T6/ C6T6 System Board Microcontroller Core Board STM32 STM32F103C6T6 STM32F103C8T6 ARM
$19.95
PIC K150 Programmer PIC Burner USB Downloader with Cable
$15.95 Save $19.00 RRP: $34.95
5PCS Optocoupler Isolation Module for Microcontroller Adaptive PLC
$20.95
ATMEGA8-16PU ATMEGA8A-PU MEGA8-16 Microcontroller Chip
$11.95
ATMEGA168PA-AUR ATMEGA168PA-AU MEGA168PA-AU ATMEGA168PA ATMEGA168 MEGA168PA TQFP32
$12.95 Save $41.05 RRP: $54.00
Micro USB Tiny AVR ISP ATtiny44 ATTiny45 ATTiny85 USBTinyISP Programmer Module For IDE Bootloader ISP Microcontroller 5V
$12.95 Save $41.05 RRP: $54.00