Generic2

• The main chip: LM393, MQ-3 gas sensor
  
• Operating voltage: DC3-5V
  
• Response time: ≤10s (70% Response)
  
• Recovery time: ≤30s (70% Response)
  
• Heating resistance: 31Ω±3Ω
  
• Heating Current: ≤180mA
  
• Heating Voltage: 5V±0.2V
  
• Heating Power: ≤900mW
  
• Detect Voltage: ≤15V
  
• Ambient Temperature: -10℃ to 65℃,
  
• Humidity: ≤95%RH
  
• Storage conditions: Temperature:-20℃-70℃,Humidity:≤ 70%RH

• Using high-quality dual-panel design, with power indicator and TTL signal output instructions
  
• There are four screw holes for easy positioning
  
• Analog output voltage with the higher concentration of higher voltage
  
• TTL output valid signal is low. (Low-level signal when the output light can be directly connected to the microcontroller or relay module)
  
• The switching signal having a DO (TTL) output and analog output AO

• Size: 32mmX22mmX27mm
  
• Chip: LM393, ZYMQ-2 gas sensors
  
• Working voltage: DC 5V
  
• AO output :0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
  
• DO output: TTL digital 0 and 1 (0.1 and 5V)
  
• Input voltage: DC 5V 150mA

• Size: 5mm
• Length: 37mm
• Emitted colour: Infrared
• Lens color: Black/Clear
• wavelength: 940nm
• Forward voltage (V): 1.2-1.4V
• Forward current (mA): 100mA
• Transmitting and receiving distance: about 7-8 Meters

• Magpi example
• Rain Sensor Module (SN-RAIN-MOD)
• Video

• Work surface to perform detailed DIY projects.
• Pre-Printed grid designed to help you keep parts organized. 

• Heat-resistant Repair Pad Size: approx. 350mm x 250mm x 5mm
• Gross weight: approx. 260g
• Heat resistance: 350 °C

• Size: 56mm x 21mm x 11mm
• Fixing hole: 3mm
• Pitch: 15mm
• Colour: red yellow green
• LED: 5mm x 3
• Brightness: Normal brightness
• Voltage: 5V
• Input: Digital level
• Interface: common cathode, red, yellow and green separate control
• Platform: Arduino, microcontroller

Product Name : Fan Metal Finger Guard
Material : Metal
Fit for Fan Size : 80mm x 80mm / 3.15" x 3.15"(L*W);
Total Size : 90mm x 90mm
Colour : Silver Tone
Net Weight : 12g

We use these as speaker covers on the arcades we build.

What's in the box?

1 x grill

• Type : CP-2015
  
• Length : 1.5M
  
• Width : 2.0mm

• 3D printer T8 400mm Stainless Steel Lead Screw Screw nut Mounted ball bearing Shaft coupling Motor.
• Screw mainly use for Stepping motor driving guide rail,machine tool, and other equipment.
• Screw without processing, direct connected to bearing.
• T shape design, make of high quality stainless steel material.
• Easy to install and convenient to use.
• Fine producing and practical.
• Suitable for Industrial automation equipment, stepper motor rails;
• Fit for 3D printer; engraving machine; XYZ module; slider; lifts ect.

2x16 Character LCD is most popular display component for small controller like Arduino, but most of these LCD uses parallel interface. In most of the cases, you will need 10 pins to control it or to display message on it. 8-pin are for the data, Enable and Latch pin for signal control. Minimum, you will need 6-pin for 4-bit mode interface. Still a lot of pins being used up :(

This I2C module for LCD will help you save all those precious pins. This module will only need 2 GPIO pins (specifically I²C pins) to send message to Character LCD.

This module uses an I²C communication interface. Including the I2C pins: SCL and SDA, it only require two more pins for power, VCC and GND. It saves 4 to 8 pins on Arduino or any other controller. The pins are breakout into standard right angle header (2.54mm spacing), you can connect with female jumper wires directly.

It comes with potentiometer for LCD contrast adjustment, and configurable I2C Address through A0, A1 and A2 pads. Anyway, the default address is 0x3F or 0x27. There is also a mini jumper to activate or deactivate the backlight.

What's in the box?

1 x I2C Module for Character LCD

This is a Panel Meter that measures Voltages and Current. The display can measure voltages from 0v to 100v dc and measure current from 0 to 10 Amps. The display has 3 segments and can simultaneously calculate the power consumption in watts.



Specifications

• Voltage 0.0V to 100V
• Current 0A to 10A
• Working voltage DC 4 to 30V
• Working current <20mA
• Size 48mm x 29mm x 22mm

What's in the box?

1 x Digital Voltmeter Ammeter

Resources

For a load of 10A or more you will have to use a shunt as per diagram 3 and 4.

• Calibration programmable registers can directly read its unit of measure is the ampere current, and power in watts per read.
• For as many as 128 sampling averaging, in order to realize filter in noise environment.
• The I2C interface has a timeout, not only can avoid the bus lock, but also can provide high-speed mode, meet the communication requirements of up to 3.4 MHz.
• All features are support software programmable INA219.
• Using single power supply, the working voltage between 3.0 to 5.5 V. 

These connectors are made from high-temp nylon with gold-plated spring pins or sockets molded in. The shape of this generic XT60 prevents reverse polarity, and when plugged in the connection is super-solid. Perfect for applications up to 65A continuous draw.

• Solid and durable.
• Ensures high-amp connection.
• Low resistance for high current capacity.
• Superior technology suited to today's high power applications.
• Ergonomically designed and easy to grip.
• Easy to un-solder and reuse.
• Used in RC battery and motor projects
  

Specifications

• Model: XT60
• Colour: Yellow (as picture)
• Size: Approx. 23mm x 16mm
• Material: Copper PA66