Passive Buzzer 5V

Relay Module DC 5V 10A 2 Channel Low/High Trigger features:
- Channels: 2 (independent protected with Optocouplers)
- Supply voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator: For each channel
- Dimensions: 40x 50mm
- It 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)

HD V2 Raspberry Pi camera board The Raspberry Pi High Definition (HD) camera board connects to any Raspberry Pi or Compute Module to create HD photos and video.
Uses Sony's IMX219PQ image sensor that offers high-speed, high-speed video images Sensitivity.
Raspberry Pi Camera Module offers reduced image contamination such as fixed pattern noise and smudges. It also has automatic control functions such as exposure control, white balance and luminance detection.
Raspberry Pi Camera Board, Sony IMX219 8 Megapixel Sensor features:
High-quality images
High data capacity
Fixed 8 megapixel focus (includes focus adjustment tool)
Compatible with 1080p, 720p60 and VGA90
Sony IMX219PQ CMOS image sensor
15-pin ribbon cable

USB adapter that allows a direct USB connection to your ESP8266 ESP-01 or ESP-01S WiFi module. Based on the CH340 integrated circuit, which is a USB - Serial converter (UART).

The DC-DC 25A solid state relay has a 3-32VDC input and a 6-60VDC output. It has a maximum load capacity of 25A.
It has a long operating life and high reliability, a compact size. This relay switches very quickly. Fotek SSR-25 DD 25A DC-DC Solid State Relay 5V-60VDC output 

- 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

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 - the CH340 chip. Characteristics of ESP 12E:
- 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
- TCP Stack / Integrated IP
- PLLs, Regulators and Integrated Power Management Units
- Output Power: 0.15 (W); + 19.5dBm in 802.11b mode

ESP32-S3-DevKitC-1-N8R2 general-purpose development board based on the ESP32-S3R2-WROOM-1 chip, Flash 8MB, PSRAM 2MB.

2 Channel Relay Module DC 12V 10A Low/High Trigger for Arduino features:
- Channels: 2 (independent protected with Optocouplers)
- Supply voltage: 12V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator: For each channel
- Dimensions: 40x 50mm
- 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)

"SenseCAP K1100 - The Sensor Prototype Kit with LoRa® and AI allows you to quickly digitise your world with LoRaWAN® and solve real-world challenges. With this plug-and-play toolkit, anyone can add artificial intelligence to their edge devices and unlock the potential of AIoT.