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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
Serial Module ESP-12E ESP8266 Serial Port Complete 802.11B/G/N Wi-Fi SOC Portable Module
$12.95 Save $7.00 RRP: $19.95
New Microcontroller TWen32F003 CH32V003F4P6 Core Board Development Board with RISC V TWen32F003 CH32V003F4P6
$14.95
ST-Link V2 Mini STM8 STM32 Simulator Download Programmer Programming with Cover DuPont Cable ST Link
$16.95 Save $16.00 RRP: $32.95
4 Sets Microcontroller System Board MCU Development Module STC15W204S Electronic Component
$12.95 Save $12.00 RRP: $24.95
4 Sets Microcontroller System Board MCU Development Module STC15W204S Electronic Component
$20.95 Save $21.00 RRP: $41.95
Top for JLINK V9 ARM Emulator USB-JTAG Adapter Emulator STM32 ARM MCU
$17.95 Save $18.00 RRP: $35.95
NRF54L15 Module Multi Core Processor Bluetooth6.0 IoT NRF54L15 Module
$20.95 Save $2.00 RRP: $22.95
st link v2 mini with dupont cable for stm32 stm8
$9.95 Save $4.00 RRP: $13.95
MAX9814 Programmable Agc Microphone Amplifier Board With Auto Gains Control For Development Projects Multicolor
$17.95
St-link/v2 St-link V2(cn) St Link Stlink Emulator Download Manager Stm8 Stm32 Artificial Device New
$15.95 Save $7.00 RRP: $22.95
Modules de clavier avec 16 touches, 4x4 boutons poussoirs, clavier externe pour MCU
$15.95 Save $5.00 RRP: $20.95
RP2040-Zero Development Board with RP2040 Processor, 133MHz Frequency, USB Compatibility, Compact Design
$20.95 Save $11.00 RRP: $31.95
Pic K150 Icsp Programmer Usb Automatic Programming Develop Microcontroller +usb Icsp Cable
$12.95
ESP32-ETH Embedded Serial Port Networking Bluetooth-Compatible Ethernet WIFI Combo Gateway MCU ESP32
$16.95 Save $5.00 RRP: $21.95
Small Size NRF51822 Bluetooth Module 2.4GHz Transceiver Bluetooth Module with Strong Stability
$15.95 Save $4.00 RRP: $19.95
NRF54L15 Module Multi Core Processor High Performance Low Power Bluetooth 6.0 IoT NRF54L15 Module
$17.95 Save $5.00 RRP: $22.95
2Pcs Set ESP8266 Wifi Wireless ESP-01 Adapter Module 3.3V5V Transparent Pass Through Module
$14.95 Save $4.00 RRP: $18.95
1pcs ESP8266 Esp-07 Remote Serial Port WIFI Transceiver Module Ap STA
$15.95 Save $5.00 RRP: $20.95
St-link/v2 St-link V2(cn) St Link Stlink Emulator Download Manager Stm8 Stm32 Artificial Device New
$20.95 Save $11.00 RRP: $31.95
For Pico A Low-cost, High-performance Microcontroller Board With Flexible Digital Interfaces
$9.95
PTR54L15SX Low Power Bluetooth 6.0 Module with Dual-Core Processor for Smart Wearable Industrial IoT Development
$19.95 Save $10.00 RRP: $29.95
STM32F103 C8T6/ C6T6 System Board Microcontroller Core Board STM32 STM32F103C6T6 STM32F103C8T6 ARM Multicolor
$17.95
MS88SF21 Ultra-Low Power Wireless Bluetooth 5.0 Module Based on NRF52840 SoCs for Bluetooth Connectivity
$18.95 Save $9.00 RRP: $27.95
5V 8-Pin NRF24L01 Development Board ATMEGA328P 32KB Flash 48x20mm
$17.95 Save $10.00 RRP: $27.95
Kit2 Kit3 PICkit3 PIC Debugger Programmer Emulator PIC Controller 1
$14.95 Save $27.00 RRP: $41.95
Small Size NRF51822 Bluetooth Module 2.4GHz Transceiver Bluetooth Module with Strong Stability
$15.95 Save $3.00 RRP: $18.95
Nrf52810 Bluetooth 5.0 Low Power Consumption Module Beacon Indoor Positioning, White 31.5 X 31.5 X
$20.95 Save $4.00 RRP: $24.95
4900 QT RP2040 Microcontroller USB Type C Compact Microcontroller Ideal for DIY Electronics and Rob
$20.95 Save $7.00 RRP: $27.95
STM32F103 C8T6/ C6T6 System Board Microcontroller Core Board STM32 STM32F103C6T6 STM32F103C8T6 ARM
$16.95
PIC K150 Programmer PIC Burner USB Downloader with Cable
$13.95 Save $16.00 RRP: $29.95
STM32F103 C8T6/C6T6 System Board Microcontroller Core Board STM32 ARM
$20.95 Save $11.00 RRP: $31.95