includes different modules like power supplies and converters
DC-DC Buck Converter Step Down Module LM2596 Power Supply is a step-down(buck) switching regulator, capable of driving a 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version
The DS3231 are low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. No need for an external crystal.
Tiny RTC Module, for Arduino, contains a DS1307 real-time clock IC with a backup battery. It's one of the easiest to use RTCs out there, with Arduino and other libraries or simply use I2C commands to set and retreive the time and date. Includes a lithium coin cell battery which should be good for four years at least.
The RC522 RFID Reader module is designed to create a 13.56MHz electromagnetic field that it uses to communicate with the RFID tags (ISO 14443A standard tags). The reader can communicate with a microcontroller over a 4-pin Serial Peripheral Interface (SPI) with a maximum data rate of 10Mbps.
USBasp V2.0 is a USB in-circuit programmer for Atmel’s: ATMEGA, ATTINY, AT90, AT90CAN and AT90PWM Series Microcontrollers.
The USB TTL Serial cables are a range of USB to serial converter cables which provide connectivity between USB and serial UART interfaces. A range of cables are available offering connectivity at 5V, 3.3V or user specified signal levels with various connector interfaces.
MAX3232, 3.0V to 5.5V, Low-Power, True RS-232 Transceivers Module with DB9 Female Connector and Power Indicator LED.
Numato Lab’s 8 Channel USB GPIO Module is a versatile product for controlling electrical and electronic devices remotely from a PC over USB link.
Ra-01 can be used for ultra-long distance spread spectrum communication, and compatible FSK remote modulation and demodulation quickly, to solve the traditional wireless design can not take into account the distance, anti-interference and power consumption.
The ESP8266 WiFi Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor.