• Insight Into ESP32 Sleep Modes and Their Power Consumption

      There is no question that ESP32 is a worthy competitor to many WiFi/MCU SoCs out there, often beating it on both performance and price. But, depending on which state it’s in, the ESP32 can be a...

    • Posted 6 hours ago
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  • Getting Date & Time From NTP Server With ESP8266 NodeMCU

        Every once in a while you’ll come across an idea where keeping time a prime concern. For example, imagine a relay that has to be activated at a certain time or a data logger that...

    • Posted 1 day ago
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  • How nRF24L01+ Wireless Module Works and Interfaces with Arduino

        Having two or more Arduino boards be able to communicate with each other wirelessly over a distance opens lots of possibilities like remotely monitoring sensor data, controlling robots, home automation and the list goes on....

    • Posted 2 days ago
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  • Open Source Powered Prosthetic Leg

      An accessible powered prosthetic — open-source and affordable. Simple, effective, assistive tech developed to accommodate continuous development. Brought to you by a bunch of hardworking undergraduates enamored with a vision of a future where robotics is...

    • Posted 5 days ago
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  • Reachy is an expressive, open-source robot

      Seems like everybody’s getting into the AI and robotics game — at least the companies and research institutions that can afford to build their platforms from the ground up are. France’s Pollen Robotics, on the other...

    • Posted 1 week ago
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  • This 3D-printed infinity cube is easy to make, hard to resist

          Infinity cubes and icosahedrons are things that have always caught my eye. They however always seemed quite hard to make, because of the relative complex frame. This infinity cube, however, has a frame that...

    • Posted 1 week ago
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  • Voice Controlled Robot Car

      Build you own voice-controlled robot car! Alexa analyzes your speech and sends data to a server which computes them.  Then data are sent bach to Raspberry Pi Zero which gives commands to a Micro:bit board.  ...

    • Posted 2 weeks ago
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  • Motorizing A Plasma Cutter On The Cheap

      A hand-held plasma cutter is an excellent tool to have if you are working with sheet metal, but it’s not particularly well suited to making long or repetitive cuts. Which is why worked...

    • Posted 2 weeks ago
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  • Arduino MKR RFID Reader with TFT Display

      It is very easy to create a nice looking RFID reader with TFT output for wall mounting with an Arduino MKR of your choice and our ArduiTouch MKR kit. You can use this reader for door access or...

    • Posted 3 weeks ago
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  • 194 Led Ball Is Free-Form Soldering On Another Level

      We’ve all seen plenty of impressive free-form soldering in these pages, maybe some of us have even had a go ourselves. Using nothing but bare conductors, electronic components, and solder, complex and beautiful electronic sculptures can...

    • Posted 3 weeks ago
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  • IoT-Terrarium

      Since I am a man of science and I like data to know if something is actually working, I wanted to put my knowledge of IoT and electronics to good use and create an IoT Terrarium...

    • Posted 3 weeks ago
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  • Arduino Motor Shield PCB V1 | 4 Motors at Once

      Hey guys, welcome back. In my previous post, I explained what an H Bridge Circuit is, L293D motor driver IC and piggybacking L293D Motor driver IC for driving high current motor drivers. In this post, I...

    • Posted 3 weeks ago
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  • Data Logging Zero to Hero with CircuitPython and MQTT

      Using Python and open source software we publish data from a sensor over MQTT, persist the data and visualise it in real-time. More info Buy Raspberry Pi and Fishino boards from our store!

    • Posted 3 weeks ago
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  • LED Ring Distance Sensor

    In this project you will learn how to build a LED ring distance sensor using an Arduino board and a distance sensor (HC-SR04). You can also use the final result as a parking sensor. More info

    • Posted 4 weeks ago
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  • GPS Voice Assistant for Visually Impaired People

      People who are completely blind or have impaired vision usually have a difficult time navigating outside the spaces that they’re accustomed to. In fact, physical movement is one of the biggest challenges for blind people, explains...

    • Posted 1 month ago
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  • Arduino Wristwatch

      Watch uses the same microcontroller as one on Arduino UNO – super hackable and easy to use!   More info

    • Posted 1 month ago
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  • LoRa Mesh Chat

      This is a fairly simple add-on for mobile phones to enable SMS-like messaging in a group when outside cell coverage, or in disaster scenarios. It utilises Semtech LoRa radios, for low-power/long-range communications. More info

    • Posted 1 month ago
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  • LoRa Messenger for Two Devices for Distances Up to 8km

      Today we are going to make a project which can be connected to your smartphone or any computer and it makes that device LoRa-enabled messenger. Now when that will be done you would be able to...

    • Posted 1 month ago
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