MAX98306 3.7W Stereo Amplifier

Audio amplifier for dual-channel loudspeakers. Supply voltage: 12-24 V. Maximum power: 2x50W. Power consumption: 3-5A.

M12 high resolution lens, 16MP, 105° FOV, 3.56mm focal length, Raspberry Pi HQ camera M12 compatible.

GSM A6 Four Band GPRS Module with MCU Antenna features:
- GSM / GPRS module / development board / shield based on GPRS A6
- Supports GSM / Dual band GPRS, available for remote GPRS and SMS data transmission
- Compact size and low current consumption
- With energy saving technique, current consumption is as low as 5mA (sleep mode)
- Communicates with the microcontroller through the UART port, supports the command including GSM 07.07, GSM 07.05 and Ai-Thinker Enhanced AT Commands
- Working frequency: four-band network, 850 / 900/1800 / 1900MHz
- Operating voltage: 4.8-9VDC (Supply power of the on-board regulator circuit for the A6 module)
- Working current: 2A maximum
- Current Sleep: 5mA

NodeMcu module based on ESP8266 controller and programming in Lua language
NodeMcu is equipped with 10 GPIO, PWM, I2C, 1-wire and ADC
ESP8266-12E is an improved version of ESP8266-12
It works as a standard WiFi 802.11 b / g / n 2.4 GHz
USB Communication - CP2102 Chip
Characteristic:
ESP 12E ESP8266 ESP12E NodeMcu Lua Wireless Development Board CP2102 WiFi 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 power management units
- Output power: 0 , 15 (W); + 19.5dBm in 802.11b mode

Signal generator including the AD9851 chip, it has two sinusoidal outputs and two square outputs.

The USB (Universal Serial Bus), is an industrial standard bus that defines the cables, connectors and protocols used in a bus to connect , communicate and supply power between computers, peripherals and electronic devices.
This female type B USB connector adapter soldered on a PCB board is ideal for use in your projects.
It has connection points where you can easily solder some pins to connect it directly to a breadboard, or solder a cable over those same connection points.
USB Type B Female 2.0 Connector Adapter with PCB features:
- Connector type: USB Type B Female,
- Internal color: White,
- Nominal voltage: 30v DC,
- Maximum current: 1A DC,
- Insulation resistance: 1000Mohm,
- Operating temperature: -25ºC to + 85ºC,

NFC RFID Tag Card 13.56 MHz can be used in Access Control projects and Alarm, Arduino, Raspberry PI, PIC, AVR projects.

The ESP32-CAM is a camera module with the ESP32-S chip. It features an OV2640 camera, several GPIOs to connect peripherals, and microSD card slot.

SONOFF D1 Smart Dimmer Switch is a smart dimmer switch that offers smart light control solutions perfect for your home or workplace, controlled either by the eWeLink application, via 433MHz RF control or by voice assistants such as Alexa or Google Home.

Create your own scenes, turn the light on at the most appropriate level, or schedule it at the times you want

The network module communicates with the Arduino type board through the SPI protocol ideal for projects with ARDUINO, PIC, AVR, STM32. ENC28J60 Ethernet LAN Network Module Mini AVR LPC STM3 features:
- Chip ENC28J60 Microchip
- Module: 10Base-T
- 3.3V power
- SPI interface
- 25Mhz speed
- LED status LED
- Hanrun network transformer
- Network Interface board HR911105A
- Operating temperature: -40ºC to + 85ºC
- Dimensions: 51 x 19 x 16 mm