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Details of Waveshare e-paper displays
Erich Styger has a nice write-up on Waveshare e-paper displays: I have used E-Ink displays in projects three years ago, but from that time the technology has greatly evolved. That time displays were...
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BPi M2 Zero, A Clone of Raspberry Pi Zero
A few days ago, we talked about the Banana Pi M2 Magic as the smallest Banana Pi board. Now we have the Banana Pi M2 Zero, another board by Sinovoip that follows the Raspberry Pi Zero form factor. The...
View ArticleESP32 Web Server Tutorial with a BME280 Sensor
Our friends at educ8s.tv uploaded a new tutorial on their youtube channel. It’s about an ESP32 web server along with MBE280 sensor. Welcome to another ESP32 video tutorial! In this video, we are going...
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Open-Source NB-IoT Shield for Arduino
This completely open-source LTE shield uses the latest and greatest CAT-M NB-IoT technology optimized for low-power IoT devices!. With the emergence of low-power IoT devices with cellular connectivity...
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Developers can implement simple sensing functions with TI’s lowest-cost microcontroller family Texas Instruments (TI) on November 10, unveiled its lowest-cost ultra-low-power MSP430 microcontrollers...
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The top 10 humidity sensors
Elizabeth Bustamante @ snapeda.com compiled a list the top 10 humidity sensors available today. Most of the sensors on the lists are from Honeywell, but surprisingly the top sensor comes from...
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Programming the ATtiny10 using Arduino IDE
David Johnson-Davies @ technoblogy.com has a nice guide on how to program ATtiny10 6-pin mcu using the arduino IDE. Programming is done using the widely available USBasp programmer from Thomas Fischl....
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2 X AA Battery To 6V Boost Converter For Arduino Nano
This project is simple solution to power Arduino Nano from two 1.5V batteries. Circuit converts 2 X AA alkaline battery power into 6V 100mA using boost topology. Circuit uses SOT223-6 pin TLV61046A...
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sKan – Low cost and non-invasive melanoma detection device
A team of medical and bioengineering undergraduates from McMaster University, Canada have designed a cancer detection device able to detect melanoma. Their design solution, the sKan, is a low cost and...
View ArticleREFLO – Compact, open, and smart PCB reflow oven
REFLO is a stylish, portable reflow oven for creators and makers to easily, quickly, and professionally prototype their IoT device, wearable, small robot, etc. REFLO’s features: Portable at only 6” x...
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HeartyPatch – Open source ECG patch with Wifi
An ECG patch with HRV monitoring that’s open source, affordable, and Wi-Fi/Bluetooth connected. HeartyPatch is a completely open source, single-lead, ECG-HR wearable patch with HRV (Heart Rate...
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IoD-09, An Intelligent WiFi-Enabled Display Module
4D Systems, the manufacturer of intelligent graphics solutions, has announced a new 0.9” smart display module as part of the ‘IoD-09’ series. This series is a set of small full-color TFT display...
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PulseRain M10 – FPGA Development board is Arduino compatible
Over the years FPGAs have become readily available to the maker community. They are now more accessible than ever as many development boards has seen the light. It’s now possible to embed a soft-core...
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hackaBLE – tiny nRF52832 BLE development board
Electronut Labs recently released their open source Nordic nRF52832 development board that can be used for your next BLE project. This tiny board can be plugged on a breadboard or soldered on a PCB...
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Tritium SBC – Linux/Android Board for just $9
Libre has released a three flavor board called Tritium. The first board is a 32bit Allwinner H2+ based with 512MB onboard memory and costs only $9. The next one is in the range of $19, and is based...
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LED Heart Keychain
Sasa Karanovic @ sasakaranovic.com build a heart shaped keychain that flashes 2 LED with the touch of your finger! Source files are available on github. This one is a very simple but cool project,...
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Arduino controlled Dual Mono AK4490 DAC (Part 1)
This article is the first of a series detailing the design and build process of an Arduino controlled Dual Mono AK4490 DAC by DimDim: The design goal was to do a dual mono design so as to maximize SNR...
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COLIBRÌ: the driver for RGBW LEDs
Boris Landoni @ open-electronics.org designed COLIBRI, a board able to drive 4 color LEDs. He writes: Recently some multicoloured power LEDs have appeared on the market and, differently from the more...
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xaVNA – A low cost two port Vector Network Analyzer
xaVNA is a simple and cheap vector network analyzer that allows you to easily tune up antennas, filters, and amplifiers by plugin it to USB. It is able to display smith charts/graphs on the including...
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Rotary Encoder with Arduino and Nokia 5110 LCD Tutorial
Today we will take a look at using a rotary encoder with Arduino and displaying rotation data on the Nokia 5110 LCD display. A rotary encoder is an Electro-mechanical device that converts angular...
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