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BMP180 Digital Barometric Pressure Sensor Board Module (Barometric sensor)
Description:

This digital barometer has some interesting applications. By measuring the absolute pressure of the environment and converting this into altitude. you will have a reliable sensor for determining the height of your robot, plane or projectile. This sensor is capable of achieving an accuracy of 1m, with noise of only 17cm in ultra-high resolution. The device will operate at only 0.3uA meaning low current draw for battery powered applications.

Specifications:


1.8V to 3.6V Supply Voltage
Low power consumption - 0.5uA at 1Hz
I2C interface
Max I2C Speed: 3.5 MHz
Very low noise - up to 0.02hPa (17cm)
Fully calibrated
Pressure Range: 300hPa to 1100hPa ( 9000m to -500m)
Weight: 1.18g
Size: 21mm x 18mm

Package includes:

1 x BMP180 Digital Barometric Pressure Sensor Board Module
1 x Male to Male 4 pin header

Resources:

Using the BMP180 with Raspberry Pi
R39.90  Inc VAT
OCR TM 10 Value 180PCS Tactile Push Button Switch kit (Tactile button kit)
Description:

A tactile switch allows electricity to flow in an electrical circuit by manually pressing the operating section. The switch activates when pressed and then turns off when released.

Great for breadboard and other electronics projects.

Features:

● High precision mechanism design offers perfect operation and long service life.
● Package includes 10 values tact push button switch, total 180PCS.
● Ideal tool for television, audio equipment ,computer, remote control and other hobby/repair related projects

Package includes:

20PCS 6*6*4.3mm
20PCS 6*6*5mm
20PCS 6*6*6mm
20PCS 6*6*7mm
20PCS 6*6*8mm
20PCS 6*6*9.5mm
20PCS 6*6*11mm
15PCS 6*6*12mm
15PCS 6*6*13mm
10PCS 6*6*14mm



Resources:

Python library
Introduction to Buttons and Switches
Types of buttons and switches
R199.90  Inc VAT
DC 5V WCS1800 Hall Current Detection Sensor Module 35A Precise With Overcurrent Signal LED (WCS1800 Hall Current)
Description:

The WCS1800 Hall Current sensor has two functions

  • current detection
  • over current protection (can be preset from 0.5A to 35.0A)

Features:

Operating voltage: DC 5V
Current detection range: DC +-35A, AC 25A
Linearity: K=60mV/A
Limit current range: 0.5A to 35A(for on/off value output)
Over current signal indicator LED
Sampling current conversion analog voltage signal output and it can connect ADC; TTL level signal output and it can connect MCU IO port control
Board size 37mm x 31mm
Working temperature: 25 to 85C

Interface



VCC: power positive
DOUT: TLL high/low level signal output
GND: power negative
AOUT: sampling current signal conversion voltage output port

Analog voltage signal output (AOUT)

Relationship between detection current and analog signal output is shown below:

Analog signal output: V0=Vcc*0.5±la*K (la is actual current through current detection pin, and K is linearity)

Eg: Input current is 1A, Vcc=5V and WS1800 linearity is 60mV/A
  1. When the current flows in from positive direction: V0=Vcc*0.5+la*K, V0=(2.5+0.06)V=2.56V
  2. When the current flows in from negative direction: V0=Vcc*0.5-la*K, V0=(2.5-0.06)V=2.44V
  3. If it is an AC signal: V0=Vcc*0.5+la*K, V0=(2.5+0.06)V=2.56V

The above are ideal values. There might be some precision errors.

On/Off output(DOUT)

  1. Make sure the current flows in from the positive direction. Adjust to the desired current warning level.
  2. LED will be on when current is below the setting and DOUT will be low.
  3. When the detected current is higher than your setting, the LED will turn off and the DOUT pin will go high.

Package Includes:

1 x WCS1800 Hall current detection sensor
R219.90  Inc VAT
Aluminium 180 Angle Bracket Strip Board for V-slot Aluminium Profile 2020 with 5 holes (Alum 180 T bracket)
Description:

Application: Build CNC routers, 3D printers, CNC laser cutters, CNC plasma cutters, robotics projects, 3D carvers, machine guards, workstations, etc.
Compatible with: 80/20 20 Series, Misumi 5 Series, Openbuilds V-Slot, Openbuilds C-Beam, and other standard v-slot/t-slot 20mm aluminum extrusions

Specifications:

For the 2020 the size is 60mm x 60mm x 4mm, recommend to use M5 x10mm screw and M5 T nut
Material: Aluminium
Colour: Silver
Aperture:M5
Holes Spaced:20mm / 0.79 inch
Thickness:4mm / 0.16 inch
Dimensions: 60mm x 60mm /2.36 x 2.36 inch



What's in the box?

1 x bracket
R49.90  Inc VAT
Mild Steel 180 Angle Bracket Strip Board for Aluminium Profile 2020 with 5 holes (Steel 180 T bracket)
Application:

Build CNC routers, 3D printers, CNC laser cutters, CNC plasma cutters, robotics projects, 3D carvers, machine guards, workstations, etc.

Compatible with:

80/20 20 Series, Misumi 5 Series, Openbuilds V-Slot, Openbuilds C-Beam, and other standard v-slot/t-slot 20mm aluminum extrusions

Specifications:

Recommend to use M5 x10mm screw and M5 T nut
Material: Mild Steel
Thickness:3mm

These plates are laser cut from 3mm mild steel and still needs to be painted/powder coated.

What's in the box?

1 x bracket
R17.19  Inc VAT
R23.90
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