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Simple LiDAR Using the Laser Rangefinder Uni-T UT390b, Arduino and Turbo Pascal

Home Automation Projects / By Ibrar Ayyub

Some days ago I bought a laser rangefinder (Uni-T UT390b, f.e. http://www.dx.com/de/p/uni-t-ut390b-45m-laser-dist…) to realise a simple LiDAR. The rangefinder has an accuracy of +/- 2mm and is able to measure distances up to 45m. This will be enough for my living room 😉 You’ll also need: * Arduino Mega (because of more than one Serial […]

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Electromagnet Superhero Glove

Sensor – Transducer – Detector Project Ideas / By Ibrar Ayyub

For a class assignment, I needed to make something fabric-based which took an Arduino, some programming, and at least two inputs and outputs. After sketching a few different ideas, I hit on this one: an electromagnetic glove for MagnetoGirl. It sprang to life for me, because magnetism is an invisible force which can seem magical.

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Introducing the Arduino MKR WAN 1300 and MKR GSM 1400

Electronics News Updates / By Ibrar Ayyub

First unveiled over the weekend at World Maker Faire New York, Arduino has introduced a pair of new IoT boards with embedded LoRa and GSM capabilities. The Arduino MKR WAN 1300 and MKR GSM 1400 are designed to offer a practical and cost-effective solution for developers, makers and enterprises, enabling them to quickly add connectivity to their projects and ease the

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4 channel RS485 Remote Controller

Electronics News Updates / By Ibrar Ayyub

4 Channel 2 core twisted pair remote controller built using PT2262, PT2272-M4 IC from Princeton technology and MAX485 IC from Maxim. PT2262 is an Encoder (Transmitter), PT2272-M4 Decoder (Receiver) and MAX485 works as bridge for twisted pair communication between encoder and decoder. The receiver provides 4 channel Momentary outputs. All outputs are TTL level and

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Micro Maestro 6-Channel USB Servo Controller

Electronics News Updates / By Ibrar Ayyub

The Micro Maestro is the first of Pololu’s second-generation USB servo controllers. The board supports three control methods — USB for direct connection to a PC, TTL serial for use with embedded systems, and internal scripting for self-contained, host controller-free applications — and channels that can be configured as servo outputs for use with radio

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Using NXP’s NXQ1TXH5 Qi Charging Circuit

Electronics News Updates / By Ibrar Ayyub

Adding wireless charging to furniture and other consumer goods is a nice way to add some oomph to an otherwise boring product. NXP’s NXQ1TXH5 provides an interesting, albeit difficult-to-prototype way around the problem. Creating a Qi-compatible is as easy as assembling the example circuit shown in figure one. From a technical point of view, the

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Amazon Dash Replenishment Pens

Internet – Ethernet – LAN Projects, Projects, Tutorials, Wifi - WLan Projects / By Ibrar Ayyub

A pen holder that determines when there are two or less pens and triggers an Amazon pen set replacement. Things used in this project Hardware components Arduino MKR1000 × 1 Crayola Air Dry Clay × 1 OpenBuilds Micro Limit Switch × 5 Software apps and online services Arduino IDE Amazon Web Services AWS SNS Hand

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Arduino Uno Rev3

Battery Projects / By Ibrar Ayyub

Arduino Uno is a microcontroller board based on the ATmega328P (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header and a reset button. It contains everything needed to support the

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Reef Controller

LED Projects, Projects, Temperature Measurement Projects / By Ibrar Ayyub

A Reef / Saltwater Aquarium controller based on an Arduino Mrk1000 and controlled remotely by an Universal Windows Platform app. Things used in this project Hardware components Arduino MKR1000 × 1 Adafruit Perma-proto board full size × 1 Adafruit I2C logic level converter × 1 Adafruit RGB LCD Shield Kit I2C 16×2 × 1 SainSmart

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An almost-GHz active differential oscilloscope probe

Electronics News Updates / By Ibrar Ayyub

I wanted to probe a PCB at work to see how a ~500MHz differential clock was behaving. My trusty 100MHz oscilloscope was no use, it was too slow to see anything and unfortunately I couldn’t quite justify buying a $3k differential probe for my faster scope just for this. There are a bunch of DIY

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