battery

BATTERY BOT MAKES SURE CORDLESS TOOL PACKS ARE ALWAYS TOPPED UP

BATTERY BOT MAKES SURE CORDLESS TOOL PACKS ARE ALWAYS TOPPED UP

There was a time not that long ago when every tool was cordless. But now, cordless power tools have proliferated to the point where the mere thought of using a plain old wrist-twisting screwdriver is enough to trigger a bout of sympathetic repetitive injury. And the only thing worse than that is to discover that …

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RICOH-ELECTRONIC-DEVICES-COMPANY-LAUNCHES-THE-RIOT-001-ENVIRONMENT-SENSING-BOARD

RICOH ELECTRONIC DEVICES COMPANY LAUNCHES THE RIOT-001 ENVIRONMENT SENSING BOARD

Ricoh Electronic Devices Company RIOT-001 Environment Sensing Board is designed to transmit data obtained from a temperature/humidity/pressure sensor (BME280) and an ambient light sensor (MAX44009) via Bluetooth, to tablets or other smart devices. The board also includes a voltage regulator with a battery monitor (RP124) for the measurement of the secondary battery voltage. The RIOT-001 Board …

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M5STACK-ATOM-–-SMALLEST-ESP32-DEVELOPMENT-BOARD-FOR-PORTABLE-EMBEDDED-AND-IOT-PROJECTS

M5STACK ATOM – SMALLEST ESP32 DEVELOPMENT BOARD FOR PORTABLE EMBEDDED AND IOT PROJECTS

The ESP32-based M5Stack ATOM from Espressif is the smallest (24 x 24mm) development board available in the market, which is designed for portable embedded systems and IoT development projects. M5Stack is the most cost-effective product due to its small size and there is no battery integrated to it. The M5Stack has two types of units in the ATOM series, …

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A-LORAWAN-THEFT-RECOVERY-SYSTEM-FOR-STOLEN-BIKES-USING-A-LOW-COST-DRAGINO-LGT-92

A LORAWAN THEFT RECOVERY SYSTEM FOR STOLEN BIKES USING A LOW-COST DRAGINO LGT-92

Simon Kemper has published a guide for making use of the low-cost Dragino LGT-92 LoRaWAN asset tracking system to help track a bike when it’s stolen for easy recovery, while running for years on a single battery. Dragino LGT-92 is built for asset tracking across a LoRaWAN connection (a long-range low-power radio standard). The Dragino LGT-92 integrates a LoRaWAN radio with GPS-based location tracking. For …

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Kaleiduino - A Battery Powered Arduino LED Kaleidoscope

Kaleiduino: A Battery Powered Arduino LED Kaleidoscope

Hello everyone, and welcome to my Instructable! This instructable will show you how I made the first ever DIY Arduino controlled “LED Kaleidoscope”! What is an LED kaleidoscope? Well, our traditional kaleidoscopes used 3 mirrors joined as a triangle with stuff like sequins and stolen cake decorations at one end, to create an awesome pattern …

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TEMPERATURE-SENSOR-IC-IS-SMALL-ACCURATE-AND-VERSATILE

TEMPERATURE SENSOR IC IS SMALL, ACCURATE AND VERSATILE

Although the WSEN-TIDS temperature sensor from Würth Elektronik measures just 2.0 x 2.0 x 0.5 mm, its range of application is wide: Its accuracy in the measuring range -40 to 125°C is ±0.5°C, while in the range -10 to 60°C it goes down to ±0.25°C. Applications extend from PCB temperature monitoring and system monitoring for power supplies, heating, ventilation, …

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Plan-for-the-Circuit

Ultimate Mosquito Swatter Mod for Gamer: Add Kill Counter, Sound, Rechargeable Battery.

Where I live, from spring to autumn we have to compete for territory against tiger mosquito. Local stores offer a impressive list of anti mosquito devices, candles, including sophisticated traps sold a few hundred euros, I even found one sold 2000€ – this give you an idea of how desperate people are to get rid …

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