battery

ARDUINO MEASURES REMAINING BATTERY POWER WITH ZERO COMPONENTS NO I O PIN

ARDUINO MEASURES REMAINING BATTERY POWER WITH ZERO COMPONENTS, NO I/O PIN

[Trent M. Wyatt]’s CPUVolt library provides a fast way to measure voltage using no external components, and no I/O pin. It only applies to certain microcontrollers, but he provides example Arduino code showing how handy this can be for battery-powered projects. The classical way to measure a system’s voltage is to connect one of your MCU’s […]

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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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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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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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MEET THE PX HERO AN ARM CORTEX M0 BASED DEVELOPMENT BOARD FOR EMBEDDED SYSTEMS EDUCATION

MEET THE PX-HERO, AN ARM CORTEX-M0+ BASED DEVELOPMENT BOARD FOR EMBEDDED SYSTEMS EDUCATION

Piconomix, the South-Africa based Embedded systems development company, has launched a campaign on Crowdsupply for a new board called; PX-Hero. The PX-Her0 is a low-power ARM Cortex MO+ based development board that was developed for use in embedded education applications. The board comes with an ecosystem of tools including an open-source C library, and detailed documentation that is designed

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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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L6983 38 V STEP DOWN CONVERTER IS A SYNCHRONOUS MONOLITHIC STEP DOWN REGULATOR

L6983 38 V STEP-DOWN CONVERTER IS A SYNCHRONOUS MONOLITHIC STEP-DOWN REGULATOR

STMicroelectronics’ step-down converter is an easy to use synchronous monolithic step-down regulator STMicroelectronics L6983 Synchronous Step-Down Converter is an easy to use monolithic step-down regulator capable of delivering up to 3A DC to the load. The wide input voltage range makes the device suitable for a broad range of applications. The L6983 is based on a peak

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BOARDCON IDEA3399 FEATURE RICH SBC COMES WITH M.2 NVME SSD AND 4G LTE PCIE SOCKETS

BOARDCON IDEA3399 FEATURE-RICH SBC COMES WITH M.2 NVME SSD AND 4G LTE PCIE SOCKETS

A few years back, Boardcon introduced EM3399 single board computer powered by a Rockchip RK3399 processor through the company’s PICO3399 SO-DIMM system-on-module. They’ve now designed another RK3399 based SBC , the Idea3399 – comprised of a baseboard and module, but instead of re-using the SO-DIMM module, CM3399 system-on-module with castellated holes was used instead. The new board comes with

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Complete Arduino based 3D printed Battery powered Mini Retro Arcade Machine

Complete Arduino-based 3D-printed Battery-powered Mini Retro Arcade Machine

It’s been a while since I’ve published my last Instructables. I’m back, and I’m 3D-printed-powered! Enjoy this mini retro arcade machine. It’s literally my first complete end-to-end 3D-printed project: I made the design, printed it, assembled the electronics, programmed it, and now to the tutorial 🙂 This guide will be updated soon with instructions to

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