Transparent Plastic Housing for Arduino Uno R3

LM35 Temperature Sensor LM35DZ TO92 features:
- The output is linear and each degree Celsius equals 10 mV
- Power supply from 4 to 30 Vdc
- Connection through analog input
- Temperature range from 0ºC to 100ºC
- Linearity +10 mV / ºC
- Quantity: 1 unit

MQ-9 Carbon Monoxide Sensor Module features:
- Main chip: MQ-9 methane sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
   20ppm- 2000ppm carbon monoxide
   500ppm- 10000ppm methane CH4
   500ppm- 10000ppm LPG
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

This module can handle 16 PWM signals, through an I2C connection with devices like microcontrollers or development boards like Arduinos.
It can also be concatenated with other equal modules (up to 62 cards), increasing versatility and allowing you to obtain up to 992 PWM outputs that can be used to connect servo motors or LEDs to change the brightness intensity.
PCA9685 digital servo motor controller 16 channel PWM features:

- Supply voltage: 3-5 VDC,
- Maximum motor voltage: 6 VDC,
- Number of channels: 16,
- Resolution per channel: 12 bits,
- Interface: I2C,
- Working frequencies: 40-1000 Hz,
- PCB size: 62.3x25.3mm .

It allows controlling many different types of engines: - Up to 4 bidirectional current motors
- Up to 2 stepper motors (unipolar or bipolar) In addition it is provided with two connectors for servos.                   L293D Motor Drive Shield Expansion Board features:
- Minimum operating voltage: 4.5 V
- Maximum operating voltage: 36 V
- Maximum current: ± 1.2 A (650mA)
- Logic voltage: 5V
- Controller L293D
- Measures: 70x55x20 mm L293D controller consists of 4 H bridges with 650 mA current with thermal protection.
Pull-down resistors keep the motors off during startup.

Protoboard Breadboard 9x15cm features:
-PCB dimension: 9x15cm
-Hole diameter: 1mm
-Pitch: 2.54mm
-Bakelite with copper fields

The voltage / power / battery level indicator KA2284 contains five LED lights that light up progressively as the voltage increases, from green to red to yellow.
It is ideal for your projects that require voltage level indicators, such as battery capacity and audio level indicators.
The built-in potentiometer adjusts the range (sensitivity) of the LED display, and the DC or AC input can be selected via the P2 bridge.
The AC and DC input can be controlled with bridge P2: bypassed for DC, open for AC.
Adjustable power level through the potentiometer. Power Level KA2284 Indicator Module 5 LED features:
- Operating voltage: 3.5 - 12 VDC
- 5 level LED KA2284 controller
- Adjustable power
- 4 pin terminal:
       - IN: Input voltage to measure

MQ-4 Gas Methane Sensor Module for Arduino features:
- Main chip: MQ-4 methane sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
200ppm- 10000ppm CH4, natural gas
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

Characteristic: -Low voltage electric cables
-Normal: EN 50525-2-31
-Number of conductors: 1x0.35mm2
-Service voltage: 300 / 500V
-Service temperature: at 70ºC
-Resistance at 20ºC: 55.0 Ohm / Km
-Weight (Kg / Km): 7
-Outer diameter: 2.4mm

-Length 1m