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Voltage and Current Logger

“A low cost way to log voltage and current for wearable/IoT devices I needed a low cost way to measure current requirements and battery drain over time (for one of my wearable projects). I have a TON of Adafruit …

webOS OSE 2.1.0 Release

“We’re delighted to announce the release of webOS Open Source Edition (OSE) 2.1.0. The highlights of this release are as follows: - Change of the default logging system to journald - Japanese Virtual Keyboard support and iLib upgrade - Bug …

Wind energy in need of further development

“Researchers from DTU Wind Energy and an international group of colleagues are highlighting the need for further scientific and innovation breakthroughs within wind energy. The total global capacity of installed wind turbines have increased tenfold since 2005 as per an …

555 Timer and LED Repair for Inflatable Display

“My wife bought this inflatable lawn decoration last year, but unfortunately last year’s severe winter was too much for it. The snowmen worked all Christmas season but when it was time to put the decorations away, we had snowstorm …

A Very Compact Alarm with Card Reader and Real-Time Clock

“This is an alarm for your house that rings when a movement is detected, like when the door is open or when a body walks in front of it. Story This is my first project released on Hackster and every …

Arduino Automatic Watering System

“First of hopefully many DIY arduino projects. I will show you how to build an automatic watering system. It will water plants for you when you not there. Although project is based on Arduino Nano there is no problem to …

Arduino L298 Motor Shield

“This is my version of a cheap and diy arduino motor shield. It is very simple and rugged. Credit goes to Ascas for the design. Specs: Voltage = 5 - 50 V Current = 2 - 3 A Maximum two motors Speed and direction …

Arduino Space Rocks Game

“Whether they are played on a computer, on a phone, on a game console, or on a standalone box, a lot of video games include an element of obstacle avoidance. Sure, there may be points awarded for collecting tokens or …

Arduino Wattmeter - Voltage, Current and Power Consumption

“A device can be utilized to measure the power consumed. This circuit can also act as a Voltmeter and Ammeter to measure voltage and current. Hardware Components: - Arduino Uno - LCD 16 X 2 - LM 358 Op-Amp - 7805 Volage regulator - Potentiometer …

Battery Capacity Tester Using Arduino - Lithium-NiMH-NiCd

“Features: Identify a fake Lithium-Ion/Lithium-Polymer/NiCd/NiMH battery Adjustable constant current load (can also be modified by the user) Capable of measuring the capacity of almost any kind of battery (below 5V) Easy to solder, build, and use, even …