Electronic Modules

 315Mhz RF Transmitter and Receiver Module link kit for Arduino/ARM/MCU/Raspberry pi

ESP8266EX ESP-01 Serial Wireless WiFi Transceiver Receiver Module 1MB SPI Flash DC3.0-3.6V Internet of Things WiFi Module Board Compatible with Arduino
Model: Esp-01.Compatible with Arduino. Support 3 modes: AP, STA, AP + STA

2.12.0.0

NRF24L01 2.4GHz Wireless RF Transceiver Module with NRF24L01 Socket Breakout Adapter 8 Pin Plate Board Breakout Adapter with on-Board 3.3V Regulator
NRF24L01 Wireless Transceiver Module: Built-in 2.4Ghz antenna: available software to set the address, only received local address when output data(Provide interrupt instruction), can be directly connected to a variety of microcontrollers. Compatible with Arduino and Raspberry Pi.

NRF24L01 Wireless Module Transceiver 2.4 GHz + SMA Antenna +  Breakout Adapter On-Board 3.3V Regulator - Arduino
【NRF24L01】is 2.4GHz ISM band transceiver for arduino, which has the abilities of auto-acknowledge and auto-retransmit and support up to six channels of data reception.
【NRF24L01】Includes on board support components and the RFX2401C which is the PA (Power Amplifier) and LNA (Low-Noise Amplifier)
【NRF24L01】The module has 5V tolerant inputs which allows for direct connection of SPI pins to the Arduino.
【Wireless Module】Small power on SMD LED indicator; On-board 3.3V voltage regulator accepts your Arduino +5V supply and provides 3.3V for the attached "NRF24L01+" module.

4 CH 315Mhz Key Wireless Remote Control KIT IC 2262/2272 Receiver Module

51 MCU development board STC89C52 learning board AVR minimum system AT89S51
1. Product Name: nh5100 development board
2. Main control chip: STC89C52
3. Crystal frequency: 11.0592m/12m

GY-NEO6MV2 NEO-6M GPS Flight Controller Module 3V-5V with Super Strong Ceramic Antenna for Arduino EEPROM APM 2.5

Mini MP3 Player Audio Voice Module TF Card U Disk Board for DFPlayer Audio Voice Music Module
Supports sampling rates (KHz): 8/11.025/12/16/22.05/24/32/44.1/48
MP3 Player Audio Voice Module

SIM800L V2.0 5V Wireless GSM GPRS Module Quad-Band W/Antenna Cable Cap M105

HC-06 Bluetooth Serial Pass-Through Module
Works with any USB Bluetooth adapters.
Default Baud Rate: 9600,8,1,n.
Built in antenna.
Coverage up to 30ft.

Speaker small magnetic speaker 3W 4R 3 W 4 ohm diameter 36MM thick 20MM cone magnetic

Speaker small magnetic speaker 1W 8R 1 W 8 ohm diameter 66MM thick 12.7MM cone magnetic