Hl-340 Usb Serial Port (Com) To Rs232 Conversion Cable - 5v Rated Voltage, 7-12v Supply Voltage | Supports Auto-handshake, Plug And Play Functionality

Arduino Nano - 0.70" x 1.70" Inch, Blue | 7-12V Input, 5V Output, Atmega328 Microcontroller, Mini USB Powered, Breadboard Friendly

LilyPad 328 ATmega328P Main Board 16M - Microcontroller with 14 Digital I/O Pins, 6 PWM Channels, 6 Analog Inputs | E-Textiles Integration, Washable Design

All Color Available Raspberry Pi 3 Pinout Module

SIM800L V2.0 GSM/GPRS Module - QUAD-BAND 850/900/1800/1900 MHz | TTL Serial Interface Compatible with 3.3V and 5V MCUs, 5-20V Power Supply, Built-in Regulator

All Color Available Arduino Pro Mini Microcontroller Board

Onion Omega 2 Rated Voltage: 5 Volt (V)

All Color Available Raspberry Pi Model 3 B+ Module

All Color Available Onion Omega Pro

D1 Mini V2 NodeMcu 4M Bytes Lua WiFi Internet Of Things Development Board Based ESP8266 - Rated Voltage 5V, Supply Voltage 7-12V, 11 Digital I/O Pins, 1 Analog Input, BRT Enabled

ESP-12E: ESP8266 Serial Port WIFI Wireless Transceiver Module - Rated Voltage: 5V, Supply Voltage: 7-12V | Integrated LDR & WS2812 LED, Compatible with Arduino IDE & LUA NodeMCU