battery Archives - Page 19 of 25 - Use Arduino for Projects

Sonnet Off-Grid Device, The Smartphone Walkie-Talkie

Electronics News Updates / By Ibrar Ayyub

At Sonnet Labs, a group of avid outdoor enthusiasts aim to democratize mobile communication with technologies that enable smartphones to send text messages, image data, and GPS locations without Internet connectivity, cellular coverage, or satellite reception. No need for cellular grid with Sonnet Therefore, they launched their product, Sonnet, the smartphone walkie-talkie! Sonnet is a wireless […]

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Crabbie Arduino development board hits Kickstarter

Arduino News / By Ibrar Ayyub

The small development team at Bits4Bots have created a new Arduino compatible development board aptly named the Crabbie thanks to its unique crab inspired shape. Watch the demonstration video below to learn more about the hybrid sensor shield specifically created to introduce children into electronics and programming. The board is equipped with 2 x 8

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NICAD-NIMH BATTERY MONITOR

Electronics News Updates / By Ibrar Ayyub

This project is a NiCad-NiMh Battery Monitor based on LM3914 IC DESCRIPTION The simple project can be used as test gear. Its easy way to monitor the battery voltages, especially dry cell, NICAD, NIMH, supply up to 1.5 Voltage. Battery Monitor range 0.15V to 1.5V. The project is built around Texas instruments LM3914, The LM3914

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Arduino Fibonacci clock

Arduino News / By Ibrar Ayyub

Makers and Arduino enthusiasts searching for a project to keep them busy this weekend may be interested in this awesome Arduino Fibonacci clock created by maker “TecnoProfesor”. may look a little complicated to read the time but once you know how to read it the Fibonacci clock is a great talking piece. Check out the

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PACKPROBE REPORTS LAPTOP BATTERY HEALTH

Arduino News / By Ibrar Ayyub

The 18650 cell has become a ubiquitous standard in the lithium battery world. From power drills to early Tesla vehicles, these compact cells power all manner of portable devices. A particularly common use is in laptop batteries, where they’re often built into a pack using the Smart Battery System. This creates a smart battery that

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PandwaRF, A Portable Radio Analysis Tool

Electronics News Updates / By Ibrar Ayyub

PandwaRF, is a portable low-power RF device that captures, analyses and re-transmits RF signals via an Android device or a Linux PC. It uses Bluetooth (BLE) or USB connection to transmit data in a simple and fast way, comes in the form of a controllable housing from a smartphone or a computer. This pocket-size device

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Pi Zero Gameboy = GameBoy Zero

Electronics News Updates / By Ibrar Ayyub

So the pi zero is cool, retro gaming is cool, im really not cool, but i thought ‘what the hell!!’ Im not overly fond of ‘rats nest’ wires, and i have a bit of an obsession with making things as small as possible, so this is what i came up with. tis just an ili9341

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Solar Power Module v2

Electronics News Updates / By Ibrar Ayyub

Ideation I build connected sensors, which are often deployed in local parks where there is no access to utility power. Over the past couple years, I have been refining and testing my solar power modules, and have arrived at this compact integrated design. I have a number of these deployed and they have been in

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Simple circuit indicates a low battery

Electronics News Updates / By Ibrar Ayyub

The Design Idea in Figure 1 indicates a low-battery condition in an audio test instrument that is powered by four AA cells. As the instrument was otherwise an all-discrete design, this same approach seemed more in keeping with the spirit of the project than the use of a single-sourced integrated circuit. A garden-variety red LED

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PyGamer open source handheld games console $39.95

Arduino News / By Ibrar Ayyub

Gamers, coders and electronic enthusiasts looking to own a pocket sized open source handheld games console may be interested to know that the Adafruit PyGamer is now available priced at $39.95. Offering a small games console that can be coded using MakeCode Arcade, CircuitPython or Arduino. The PyGamer is powered by the ATSAMD51, with 512KB of flash

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