LM7805 3-Terminal Voltage Stabilizer 5V Voltage Stabilizer Power Module

0.56" DC0-100V Red LED display Voltage Panel Meter Voltmeter With Reverse Polarity Protection

LM386 audio amplifier module

18650 Dual Micro USB 3.7V to 5V 2A Booster Module

ESP-32 ESP32 WiFi Bluetooth ESP-WROOM-32 Development Board [30pins]

5V Focus Adjustable Red Laser Module 650nm Laser Head

USB 2.0 Type A Female to 5 Pin Screw with Shield Terminal Plug Adapter Connector Converter

IRF540N Power Mosfet Transistor [5pcs Pack]

13x14x6mm Aluminum Cooling Heat Sink [5pcs Pack]

1707 Passive Piezoelectric Buzzer [5pcs Pack]

BL-5C Nokia Battery Holder Case

433Mhz RF Wireless WL102 Superheterodyne Receiver and WL101 Transmitter with Antenna Kit

DC12V-36V 500W Brushless Motor Controller Hall Motor Balanced Car Driver Board TX6904 QS-909

CJMCU-5102 Stereo Digital To Analog Converter PLL Voice Module PCM5102A DAC

DC3V-6V DC 1:48 Gear Motor TT Motor For-arduino Smart Car Robot DIY