OctagonStar Bluetooth 4.0 Uart Transceiver Module CC2541 Central Switching compatible HM-10

DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino

For Arduino Nano V3.0, Elegoo Nano board CH340/ATmega328P without USB cable, compatible with Arduino Nano V3.0 (Nano x 3 without cable)

DSD TECH SH-HC-08 Bluetooth 4.0 BLE Slave Module to UART Transceiver for Arduino Compatible with iOS

GY-521 MPU-6050 MPU6050 3 Axis Accelerometer Gyroscope Module 6 DOF 6-axis Accelerometer Gyroscope Sensor Module 16 Bit AD Converter Data Output IIC I2C

HiLetgo® ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE

DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano

OSOYOO Bluetooth 4.0 HM-10 Master Slave Module For Xbee Arduino UNO R3 Mega 2560 Nano

HiLetgo HC-05 6 Pin Wireless Bluetooth RF Transceiver Module Serial BT Module for Arduino

OSOYOO 10PCS IR Infrared Obstacle Avoidance Sensor Module for Arduino Smart Car Robot

30 Pcs Double Sided PCB Board Prototype Kit for DIY, 4 Sizes by Paxcoo