DS1302 Real Time Clock RTC Module AVR ARM PIC

DS3231 Precision RTC Real Time Clock Module AVR ARM features:
- Can be used in projects of Arduino, Raspberry Pi, PIC, AVR
- Function compatible with the DS 3231
- Power supply voltage: +2.3 V to +5.5 V
- Temperature range: -40 ° C to + 85 ° C
- Low energy consumption
- Full clock calendar functions that include seconds, minutes, hours, date, month and year and valid until leap year compensation
- Two alarm calendar
- Interface: I2C

1 Channel Relay Module DC 5V 10A Low/High Trigger for Arduino features:
- Channel: 1 (protected with Optocoupler)
- Supply voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator
- Dimensions: 30x 54mm
- Has a jumper that allows to choose type of trigger signal (low / high)
- This module can be controlled directly by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL)

NSPanel offers intelligent control of home appliances: lighting, thermostat, curtains, windows and wall switches. A colour touch screen with two buttons displays all the necessary information and allows you to conveniently navigate through the device's menu, making the Sonoff NSPanel the ideal control centre for your home. The NSPanel is designed to be mounted on the Sonoff switch frame (switch frame not included).

- HC-05 Bluetooth transceiver module with base
- The bluetooth module HC-05 is one of the best options for projects where you need wireless communications.
- The transceiver module (transmission / reception) allows bluetooth wireless connections like master or slave, works in a transparent way as if we made a RS-232 TTL serial connection with cable.
Bluetooth Transceiver Module HC-05 Wireless features:
- Chipset CSR BC417
- 3.6 to 6 Vdc power supply
- Bluetooth version V2.0 + EDR
- Frequency: 2.4GHz ISM band
- Modulation: GFSK
- Reach approx. 10m
- Security: Authentication and encryption.
- Speed-> Asynchronous: 2.1Mbps (Max) / 160 kbps; Synchronous: 1Mbps / 1Mbps

5V Relay Module with 8 opto-coupled channels.
This module can be directly controlled by the microcontroller ( Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL).
8 Channel Arduino 5V 10A Relay Module features:

- Channels: 8 (independent protected with Optocouplers)
- Supply Voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Isolation: Yes
- LED indicator: For each channel
- Dimensions: 54x 135mm

This small GPS breakout is yet another Qwiic module from SparkFun as per usual based on I2C - meaning that you can keep your serial port free for other applications. The board features XA1110 GPS module from GTOP and MediaTek MT3333 chipset already loaded with SparkFun firmware enabling clean and easy use of both ports. 

- WIFI module based on the ESP8266 controller
- ESP8266-12F is an improved version of ESP8266-12E
- It works as a standard WiFi 802.11 b / g / n 2.4 GHz. It is equipped with 22 outputs (pitch 2 mm) of which 11 are GPIO, ADC 1 and SPI. A LED and a PCB antenna have been incorporated
ESP-12F ESP8266 12F WiFi Board Module features:
- Supply voltage: 3.3V (LOGICAL LEVELS: 3.3V)
- Supported protocols: 802.11 b / g / n
- Network support: 2.4 GHz
- Band: 2400 (MHz)
- Wi-Fi Direct (P2p), Soft Access Point
- Integrated TCP / IP Stack.
- PLL, regulators and integrated energy management units
- Output power: 0.15 (W); + 19.5dBm in 802.11b mode
- Consumption in low energy mode: <10 uA
- Integrated 32-bit processor

Transceiver 1km SI4432 433MHz Wireless Transmitter Telemetry features:
- Transceiver based on the SI4432 Silicon Labs chip
- Ultrathin ultra small (16.5 × 17 mm)
- Good harmonics: easy for FCC / CE certification
- Penetration capacity (measured through 8 floors)
- Frequency range: 433.92MHz
- Sensitivity down to -121 dBm
- Maximum output power: 20dBm
- Data transfer rate: 0.123-256 kbps
- FSK, GFSK and OOK modulation
- Power supply: 1.8-3.6 V
- Ultra low power shutdown mode
- Digital indication of received signal strength (RSSI)
- Time to wake up
- Bidirectional antenna switch control and automatic adjustment
- Configurable packet structure
- Preamble detection

It is compatible with almost any microcontroller, Arduino, PIC, AVR.
It can be used in Access Control projects and Alarm projects. RFID Module with Card and Pendant features:
- Supports Quick CRYPTO1 and MIFARE
- Operating current: 13-26mA at 3.3V
- Standby current: 10-13mA to 3.3V
- Sleep-mode current: <80μA
- Maximum current: 30mA
- Frequency of operation: 13.56Mhz
- Reading distance: 0 to 60mm
- Communication protocol: SPI
- Maximum SPI speed: 10Mbit / s
- Maximum data rate: 10Mbit / s
- Operating temperature: -20 to 80ºC
- Humidity of operation: 5% -95%

Classic development board designed and manufactured by Heltec Automation (TM), based on the ESP32-S3FN8 + SX1262. Integrates Wi-Fi, Bluetooth, lithium battery management system, dot matrix OLED screen, USB-C interface. Compatible with Arduino IDE, Micro Python, Platform.io, Espressif IDE. Our module is supplied with Lora antenna and IPEX adapter (U.FL) and header pins.