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Under $20 Microcontrollers

Shop the best prices on 675 great value under $20 microcontrollers. Shopping for microcontrollers is easy with Fruugo, with SALE discounts, offers and savings on Jtgg. Buy microcontrollers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 675
ST-Link V2 Mini STM8 STM32 Simulator Download Programmer Programming with Cover DuPont Cable ST Link
$9.95 Save $3.00 RRP: $12.95
ESP32-ETH Embedded Serial Port Networking Bluetooth-Compatible Ethernet WIFI Combo Gateway MCU ESP3
$20.95 Save $8.00 RRP: $28.95
5PCS ESP8266 ESP-12F WiFi Serial Module Microcontroller Remote Port Network Development Board for N
$20.95 Save $10.00 RRP: $30.95
NRF51822 Bluetooth Module Ibeacon Base Station Positioning with Shell
$7.95 Save $5.00 RRP: $12.95
RP2350-Plus Development Board RP2350 Plus Microcontroller MCU Board Based on for Soldered
$2.95 Save $1.00 RRP: $3.95
WT0132P4-A1 ESP32-P4 Dual-Core 400MHz IoT Module 16MB Flash 16 and 32MB PSRAM,Video Processing H.264 and JPEG Codec
$18.95 Save $9.00 RRP: $27.95
Easy to Use PWM Controller for motor Testing Simple Panel strong Build for Aircraft Wireless Use Model Aircraft Motors Multicolor
$20.95
Lightweight PWM Controller Motor Tester Easy Carry Field Testing Suitable for Drones UAVs Wireless Control Model Multicolor
$20.95
GT-U7 Satellite Navigation Module 10M MCU STM32 MCU for
$18.95 Save $23.00 RRP: $41.95
2X ESP32-S3-N16R8 Wireless Module ESP32-S3-WROOM-1 Dual-Core WiFi+Bluetooth5.0 Module for IoT Wireless Applications
$18.95 Save $12.00 RRP: $30.95
St-link V2 Programming Unit Emulator Downloader + 40pin Stm32f103c6t6 Arm Stm32 Swd Minimum System
$20.95 Save $98.05 RRP: $119.00
Voice Playback Module MP3 Trigger Once Play Once Microcontroller DIY Control Prompt Announcer M3D5T
$13.95 Save $6.00 RRP: $19.95
ESP8266 Serial Port WIFI Model Remote Wireless Control WIFI Model ESP-07 Model Storage 1MB
$11.95
W5500 Ethernet Network Module Hardware Tcp/Ip 51/Stm32 Microcontroller Program Over W5100
$16.95
ESP32-WROOM-32 Module ESP32 Wireless WIFI Module Connector WiFi+Bluetooth Dual-Core CPU ESP32 Module
$11.95
ESP8266 Serial Port WIFI Model Remote Wireless Control WIFI Model ESP-07 Model Storage 1MB
$14.95
PIC K150 Programmer PIC Burner USB Downloader with Cable
$18.95 Save $23.00 RRP: $41.95
USBISP USBASP AVR Programmer USB ISP USB ASP ATMEGA8 ATMEGA128 Support Win7 64
$3.95
2pcs Sld-12vdc-1c 1.6w High Power Relay No 40a Nc 30a 5pin Automotive Relay
$16.95 Save $3.00 RRP: $19.95
ESP32-S3-N16R8 Wireless Module ESP32-S3-WROOM-1 Dual-Core WiFi+Bluetooth5.0 Module for IoT Wireless Applications
$13.95 Save $7.00 RRP: $20.95
2Pcs Set ESP8266 Wifi Wireless ESP-01 Adapter Module 3.3V5V Transparent Pass Through Module
$17.95 Save $5.00 RRP: $22.95
Micro USB Tiny AVR ISP ATtiny44 ATTiny45 ATTiny85 USBTinyISP Programmer Module For IDE Bootloader ISP Microcontroller 5V
$14.95 Save $49.05 RRP: $64.00
TWen32F003 CH32V003F4P6 Core Board Development Board with Microcontroller RISC-V Processor 64K
$20.95
For Pico A Low-cost, High-performance Microcontroller Board With Flexible Digital Interfaces
$8.95 Save $4.00 RRP: $12.95
U2C Module V1.0 -Adopt 32-bit ARM Cortex-M0+series STM32G0B1CBT6 Main Control
$13.95 Save $32.00 RRP: $45.95
ATMEGA8-16PU ATMEGA8A-PU MEGA8-16 Microcontroller Chip
$13.95
ATMEGA168PA-AUR ATMEGA168PA-AU MEGA168PA-AU ATMEGA168PA ATMEGA168 MEGA168PA TQFP32
$14.95 Save $49.05 RRP: $64.00
51 Single-Chip Microcomputer Ultrasonic Distance Measuring Equipment Parking Sensor Alarm HC-SR04 Module DIY Kit
$17.95 Save $18.00 RRP: $35.95
DIY Electronic Clock LED Digital Tube Bear Clock Electronic Kit Microcontroller Soldering Kit Making Project
$16.95 Save $23.00 RRP: $39.95
4 Sets Microcontroller System Board MCU Development Module STC15W204S Electronic Component
$11.95 Save $11.00 RRP: $22.95
2025 Esp8285 Serial Port To Wifi / Wireless Transparent Transmission Small Esp-01e
$16.95 Save $17.00 RRP: $33.95
Serial Module ESP-12E ESP8266 Serial Port Complete 802.11B/G/N Wi-Fi SOC Portable Module
$17.95