GY-BME280-5V Temperature Humidity Barometric Pressure Sensor Module SPI 1.8-5V

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

ESP8266 D1 Mini NodeMcu Lua WiFi Wireless Module

PAM8403 digital stereo audio amplifier module

AD620 Microvolt Millivolt Signal Amplifier Module 1.5-1000 Gain Adjustable

BC538 NPN TO-92 Transistor [50pcs Pack]

2.54mm Double 1X140pin Male Straight Header [2pcs Pack]

13x14x6mm Aluminum Cooling Heat Sink [5pcs Pack]

HT12D and HT12E DIP18 [1Pair Pack]

4mm RC Battery Gold-plated Bullet Banana Plug High Quality Male Female Bullet Banana Connector [5pair Pack]

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

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

Arduino UNO R3 (CH340G) development board

Arduino upgraded RFID learning kit Suite

CCMHCN PWM Green DC Motor Speed Controller Green 6-90V 10A