18650 3.7V 2600mAh 충전식 리튬 이온 배터리 팩 축전지 블루투스 스피커 낚시 LED 조명(4.2V로도 알려짐)

3/4/5 Bit Independent Button Module MCU External Button Module Micro Switch Button Board Bluetooth-compatible Power Amplifier

Rotary Encoder Module for Arduino Brick Sensor Development Round Audio Rotating Potentiometer Knob Cap EC11

1PCS 5V GPD2846A TF Card MP3 Decoder Board 2W Amplifier Module for Arduino GM Power Supply Module

BS Type-C USB 2-3S BMS 15W 8.4V 12.6V 1.5A Lithium Battery Charging Module With Balanced Support Fast Charge With Indicator

Official Raspberry Pi Pico Board RP2040 Dual-Core 264KB ARM Low-Power Microcomputers High-Performance Cortex-M0+ Processor

1-10PCS TPS63020 3.3V 4.2V 5V Lithium Battery Automatic Boost Buck Step Up Down Module XL63020 Microcontroller Power Low Ripple

5PCS 3.7V to 5/9V 2A DC-DC Step Up Boost Module 18650 Lithium Battery Charging Discharging Board Type-C Booster Converter Module

Electret Microphone Amplifier Stable MAX9814 MAX4466 module Auto Gain Programmable Attack and Release Ratio Low THD

433 Mhz Superheterodyne RF Receiver and Transmitter Module 433Mhz Remote controls For Arduino uno Wireless module Diy Kits

Hall magnetic Induction sensor magnetic detection pole resolver North and South detection module DIY learning kit