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Under $20 Microcontrollers

Shop the best prices on 362 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 362
Serial Module ESP-12E ESP8266 Serial Port Complete 802.11B/G/N Wi-Fi SOC Portable Module
$17.95 Save $10.00 RRP: $27.95
New Microcontroller TWen32F003 CH32V003F4P6 Core Board Development Board with RISC V TWen32F003 CH32V003F4P6
$20.95
4 Sets Microcontroller System Board MCU Development Module STC15W204S Electronic Component
$17.95 Save $18.00 RRP: $35.95
st link v2 mini with dupont cable for stm32 stm8
$13.95 Save $6.00 RRP: $19.95
Pic K150 Icsp Programmer Usb Automatic Programming Develop Microcontroller +usb Icsp Cable
$18.95
ESP8684-WROOM-07-H2 ESP8684 32bit RISC-V MCU 2.4GHz 4MB WiFi Bluetooth-Compatible 5 Wi-Fi Wireless M
$13.95 Save $3.00 RRP: $16.95
2Pcs Set ESP8266 Wifi Wireless ESP-01 Adapter Module 3.3V5V Transparent Pass Through Module
$20.95 Save $6.00 RRP: $26.95
For Pico A Low-cost, High-performance Microcontroller Board With Flexible Digital Interfaces
$13.95
Kit2 Kit3 PICkit3 PIC Debugger Programmer Emulator PIC Controller 1
$20.95 Save $38.05 RRP: $59.00
Small Size NRF51822 Bluetooth Module 2.4GHz Transceiver Bluetooth Module with Strong Stability
$21.95 Save $4.00 RRP: $25.95
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
$19.95 Save $23.00 RRP: $42.95
ATMEGA8-16PU ATMEGA8A-PU MEGA8-16 Microcontroller Chip
$14.95
ATMEGA168PA-AUR ATMEGA168PA-AU MEGA168PA-AU ATMEGA168PA ATMEGA168 MEGA168PA TQFP32
$14.95 Save $54.05 RRP: $69.00
Micro USB Tiny AVR ISP ATtiny44 ATTiny45 ATTiny85 USBTinyISP Programmer Module For IDE Bootloader ISP Microcontroller 5V
$14.95 Save $54.05 RRP: $69.00
Type-C Interface Atmega32u4 Self Usb Updater 5v/16m Microcontroller Development Board
$20.95
U2C Module V1.0 -Adopt 32-bit ARM Cortex-M0+series STM32G0B1CBT6 Main Control
$14.95 Save $32.00 RRP: $46.95
CH9121 Serial Port to Ethernet Network Module Chip TTL Transmission Industrial Microcontroller STM32 TCP/IP 51 3.3V 5V
$16.95 Save $9.00 RRP: $25.95
ST-Link V2 Programming Unit Emulator Downloader + 40Pin STM32F103C6T6 ARM STM32 SWD Minimum System B
$11.95
TWen32F003 CH32V003F4P6 Core Board Development Board with Microcontroller RISC-V Processor 64K
$20.95
2025 Esp8285 Serial Port To Wifi / Wireless Transparent Transmission Small Esp-01e
$17.95 Save $17.00 RRP: $34.95
Wch Linke Online Download Debugger Support Wch Risc-v Architecture Mcu/swd Interface Arm Chip 1 Ser
$6.95
4 Sets Microcontroller System Board MCU Development Module STC15W204S Electronic Component
$11.95 Save $11.00 RRP: $22.95
GT-U7 Satellite Navigation Module 10M MCU STM32 MCU for Arduino
$20.95 Save $3.00 RRP: $23.95
ST-Link V2 Programming Unit Emulator Downloader + 40Pin STM32F103C6T6 ARM STM32 SWD Minimum System B
$12.95 Save $13.00 RRP: $25.95
Serial Module ESP-12E ESP8266 Serial Port Complete 802.11B/G/N Wi-Fi SOC Portable Module unbrand
$15.95
WBR3 Module Low Energy Serial WiFi/Bluetooth 4.2 MCU Module Smart Socket Cloud Module 16x24mm unbrand
$16.95
ESP32-S3-N16R8 Wireless Module ESP32-S3-WROOM-1 Dual-Core WiFi+Bluetooth5.0 Module for IoT Wireless Applications unbrand
$16.95
ST-Link V2 Mini STM8 STM32 Simulator Download Programmer Programming with Cover DuPont Cable ST Link
$15.95 Save $31.00 RRP: $46.95
Dc Speed Controller
$17.95 Save $9.00 RRP: $26.95
5pcs Lm338t Lm338 To-220 Ic High Current Adjustable Integrated Voltage Regulator
$8.95 Save $7.00 RRP: $15.95
Car Battery Charge Level Indicator 12v 24v 36v 48v 60v 72v Lithium Battery Capacity Meter Tester Display Led Tester Voltmeter
$12.95