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Tag Archives: LM317

Adjustable supply module circuit with LM317

Módulo de Fonte variável com LM317 - Placa montada

This is a circuit of a source module with adjustable voltage using the integrated circuit LM317, this project is the physics institute of the Federal University of Mato Grosso. It is a regulator circuit DC / DC ( DC / DC) , easy construction, ideal for beginners or those who want a bench supply circuit, eu mesmo tenho um circuito idêntico a estes. The ...

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Fonte de Bancada Variável com seleção de Tensão

Fonte de Bancada Variável

Uma das ferramentas principais de uma bancada de eletrônica é a fonte de alimentação, uma fonte de bancada para eletrônica tem que ter alguns itens básicos, como multi tensão, seja ajustada por chave seletora quanto por potenciômetro. I regard as a good source of bench that having a variable voltage and current, protections against short and overload, mas para iniciantes ...

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Circuito de Carregador de Bateria Solar

Controlador e carregador de Bateria Solar

Posso dizer que mais de 20% dos pedidos são referentes a energia alternativa e seus circuitos eletrônicos. Mas a maioria dos usuários pedem circuitos simples, small and cheap. Para tristeza geral quase todos os circuitos são complexos e alguns até microcontrolados. But all is not lost, resolvi publicar um carregador de bateria solar mais simples e acessível, que usa componentes comuns e disponíveis em qualquer ...

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Source Bench,pt

Fonte de bancada

Here in this article I will show a very good bench power supply, ideal for those who want not shell out large sums into a source of professional bench. We have seen several counter sources, as Variable Source Workbench using LM317, Source Stabilized Adjustable Bench and Source Adjustable Bench - Voltage and Current. This stall source is a source ...

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Fonte de 3.3 Volts

Fontes de 3.3 Volt

Atualmente cada vez mais a alimentação de circuitos eletrônicos está deixando de usar a tensão 12 Volts to migrate to 5 Volts, um dos motivos é obter-la mais facilmente principalmente com a expansão das portas USB. The voltage 5 Volts é comumente usada na alimentação e carregamento de dispositivos eletrônicos móveis como os celulares, mas também é usado na eletrônica ...

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Adjustable Power Supply High Voltage

Fonte de Alimentação Ajustável de Alta Tensão

For those who like to work with “alta tensão” This article is very interesting, it is a source of high voltage adjustable power. It uses the voltage regulator integrated circuits LM117 and LM317 . The floating mode of operation of integrated circuits three terminal adjustable voltage regulator as LM117 make them perfect for high voltage operation. It is clear that the source ...

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Regulator Designer – The calculation program for IC Voltage Regulators

Programa Regulator Designer

Information Regulator Voltage Current Shunt Adjustable is a free software for anyone working with power supplies that use regulators integrated circuit current and voltage, be variable or fixed. This program is a lightweight and runs on various versions of Windows, like XP, 2000, Vista e Windows 8. The Regulator Information has several functions, including the design of regulatory circuits ...

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Emergency Light with LED circuit using LM317

Luz de Emergência com LEDs

Afraid of blackouts, the Emergency Lights sales have tripled, but not all function properly, some have a quality so bad that your use of autonomy does not come at a time. But all is not lost, I even sucateei and reciclei some of these emergency lights, despite the battery and circuit are terrible, but the LEDs ...

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Variable Power Bench using LM317

Pequena Fonte Variável de Bancada

One of the simplest bench sources which we repaired as a technician was aa variable source of Redael, model LFE 123. This variable source had a rotary switch to select the tensions of 3, 4,5 , 6, 7, 5 , 9 and 12 Volts. According to stand it Redael peaks 3 A and had internal protection. Most of the time these sources actually were only ...

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Dimmer circuit for LEDs

Circuito de Dimmer para LEDs

The LEDs are really dominating the lighting area, and this is very good, Led since consumption is minimal compared to other light-emitting devices. Here in this article we will publish another project using LEDs, over a dimmer circuit sized to work with LEDs, this has a difference of Dimmer for LED Dimmer for this and previous LEDs, ...

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