Passive device improves reliability of LED streetlights

The principle advantages of LED lighting are its long life, which can be as long as 60,000 hours, or 20 years, and inherent energy efficiency. LED streetlights have been shown to use 15% of the energy and give off less heat, while generating more light per watt. LEDs do not contain toxic chemicals such as mercury compared to high-pressure sodium lamps or mercury-vapor lamps. Because of their long lives, the ...

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SMS Based Device Control using GSM Modem

It has been a while since we published electronic engineering projects here due to the busy schedule we had in the past weeks, and this time we’re up with another interesting project. Before going through the details of this one, you may as well check our latest electronics projects for engineering students. GSM based device monitoring and control system are becoming popular these days. Here I am introducin ...

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Analog Devices AD587 10V Reference

Voltage references are a humble piece of hardware, their sole function is to provide a stable, known voltage. This constant, known value of voltage can then be used as a reference for ADCs and DACs as well as provide a precision current source.   I recently got hold of an Analog Devices AD587KN high precision 10.000V reference chip. AD587KN 10V precision referenceThis model of chip has an output value ...

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EMDP1 — Extensible Multiple Device Programmer 1 (Rev. C) using pic microcontroller

Table of Contents Table of Contents Introduction Schematics Printed Circuit Board Issues Introduction This is revision C of the EMDP1 mother board. It differs from revision B in that a 40-pin ZIF (zero insertion force) socket and an 80-pin `universal' plug have been added. This allows many chips to be programmed without requiring an adaptor board. When the `universal' plug is not enough, a specialized adapt ...

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Chapter 1: PIC16F887 Microcontroller – Device Overview

The PIC16F887 is one of the latest products from Microchip. It features all the components which modern microcontrollers normally have. For its low price, wide range of application, high quality and easy availability, it is an ideal solution in applications such as: the control of different processes in industry, machine control devices, measurement of different values etc. Some of its main features are lis ...

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Tens Electronic Muscle Stimulation Device Circuit with PIC16F84

Television for a period, Frequently electronic muscle stimulation device radio advertising saw the state of the PIC16F84 microcontroller gerçekleştirilimiş I used to be very similar to the device onarmıştım had a microcontroller pic16f series and the circuit is very simple example of a useful in medical electronics circuit diagram of the, There are drawings and source codes pcb picc. Prepared: Arif KOÇOĞLU ...

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USB Human Interface Device Communication with PIC Microcontroller – MikroC

Figure 1: USB Communication Circuit Diagram The HID device class code is "0x03, this class is used for devices operated by human, devices like keyboard, mouse, joystick and so forth. The advantage of HID devices is that, they don't require to install drivers, in most modern operating systems, the device will be detected without any problem. MikroC Pro for PIC provides USB HID library that make it easy for a ...

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TI chip manages power of ARM Cortex processors

Description   The TPS65090A is a single chip Power Management ICs for portable applications consisting of a battery charger with power path management for a dual or triple Li-Ion or Li-Polymer cell battery pack. The charger can be directly connected to an external wall adapter. Three highly efficient step-down converters are targeted for providing a fixed 5 V system voltage, a fixed 3.3 V system voltag ...

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Globalpress: Exar claims breakthrough

Description The XRP7724 is a breakthrough Digital PWM/PFM quad output programmable power management system. The XRP7724 is the first digital controller that can be considered for portable or other power sensitive applications due to the significant reduction in operating current. Patented technology allows transient performance equivalent to the fastest comparator based analog technologies ensuring output c ...

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Intersil has RS-485 transceiver running off 1.8V

Description The Intersil ISL32600E, ISL32601E, ISL32602E and ISL32603E are ±15kV IEC61000 ESD protected, micro power, wide supply range transceivers for differential communication. The ISL32600E and ISL32601E operate with VCC ≥ 2.7V and have maximum supply currents as low as 100µA with both the transmitter (Tx) and receiver (Rx) enabled. The ISL32602E and ISL32603E operate with supply voltages as low as 1.8 ...

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