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Under $20 Microcontrollers

Shop the best prices on 832 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 832
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
Black 12uf Generator Capacitor Generator Cbb61 12uf 50/60hz 350vac Fan Motor
$9.95 Save $4.00 RRP: $13.95
RP2040 Core A Dual Core Microcontroller Board 2MB Flash 264KB SRAM
$15.95 Save $4.00 RRP: $19.95
51 AVR USB ISP Microcontroller Programmer Fast Speed Downloader with Cable & Auto Recovering Overcurrent Protections Multicolor
$19.95
DIY Electronic Kits LED Digital Tube Calculators 51 Microcontroller Control Resistance Conversion Soldering Projects C unbrand
$15.95
CH9329 Module Serial Port to Standard USB HID Keyboard and Mouse Device Module Supports 12Mbps Compatible with USBV2.0 unbrand
$8.95
16F716-I/P PDIP-18 Microcontroller 5 Pieces Pack 18-Lead Package 8-Bit MCU
$20.95 Save $11.00 RRP: $31.95
ESP8266 Type-C Addressable Light Strip Controller WS2811 WS2814 WS2805 RGB DC5-24V
$20.95 Save $38.05 RRP: $59.00
TTS Chinese to Speech Synthesis with Speaker Module Microcontroller Serial Control Playback Robot An
$20.95 Save $33.05 RRP: $54.00
ST Link V2 Simulator Downloader Premium with Connect Cable Burning Debugging
$15.95 Save $3.00 RRP: $18.95
Accurate PWM Controller Switching Servo Motor Regulator for Motor Testing Broad 3V to 26VInput 50Hz-500Hz High Frequency Multicolor
$17.95
LoRa Node Module with SX1262 and ASR6502 Chips, Compatible with LoRaWAN Protocol for IoT Connectivity Solutions
$18.95 Save $21.00 RRP: $39.95
Raspberry Pi RP2040 Console with Upgradable Chip for DIY Projects
$13.95 Save $11.00 RRP: $24.95
DIY Clock Kit Soldering Practice Kit with 4 Digit LED Display Micro Controller for Electronic Beginn
$12.95 Save $3.00 RRP: $15.95
WBR3 Module Low Energy Serial WiFi/Bluetooth 4.2 MCU Module Smart Socket Cloud Module 16x24mm
$12.95 Save $3.00 RRP: $15.95
For 2 RP2350 Microcontroller Board 520KB 150MHz,
$18.95 Save $1.00 RRP: $19.95
Black CBB61 1.5uF+2.5uF 3 Wires AC 250V 50/60Hz Capacitor For Ceiling Fan
$19.95
St-link/v2 St-link V2(cn) St Link Stlink Emulator Download Manager Stm8 Stm32 Artificial Device New
$19.95 Save $13.00 RRP: $32.95
ST Link V2 Emulator Downloader Programming debugger STM8 STM32 Development Board
$15.95 Save $5.00 RRP: $20.95
Digital 220v Stc-1000 Temperature Controller Thermostat Regulator+sensor Shytmv
$16.95 Save $17.00 RRP: $33.95
51 Single-Chip Distance Measuring Equipment Parking Sensor Alarm
$14.95
St-link/v2 St-link V2(cn) St Link Stlink Emulator Download Manager Stm8 Stm32 Artificial Device New
$12.95 Save $6.00 RRP: $18.95
TM1638 3-Wire MCU Control 8-bit LED 16 Keys Keyboard Scanning and Display Module for Arduino
$13.95 Save $8.00 RRP: $21.95
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
AVR USB ISP Asps Programmer Downloader With 10Pin To 6Pin Adapters Cable Board For Firmware Updates And Debuggings Multicolor
$18.95
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
DIY Distance Measuring Loose Parts Distance Based on 51 Microcontroller Designed Reversing Radars Alarm unbrand
$17.95
ESP8266 WiFi Module Serial to WIFI ESP-12S ESP-12F ESP-12E Industrial Grade Wireless ESP-12 Module For IOT hwy
$20.95
St-link/v2 St-link V2(cn) St Link Stlink Emulator Download Manager Stm8 Stm32 Artificial Device New
$16.95 Save $12.00 RRP: $28.95
WCH LinkE CH32V003 EVT MCU Download Debugger RISC-V Architecture
$12.95 Save $2.00 RRP: $14.95
Programmable 5V WiFi Module Integrated Good power Retransmit For Projects Multicolor
$21.95
USB ISP Programmer for 51 AVR Microcontrollers Fast Speed Downloader with Cable & Integrated Overcurrent Protections Multicolor
$19.95