CSI Premier 75W and Hakko 936 Solder Station Teardowns
Soldering

CSI Premier 75W and Hakko 936 Solder Station Teardowns

Todd Harrison @ toddfun.com did the teardown of the CSI 75W solder station as well as the Hakko 936: The Hakko of course had all analog circuits using operational amplifiers and potentiometers as well as a temperature sensor in the iron tip to signal back to a triac chip controller...

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Basic Types of Thyristors and Applications
Basic Electronics

Basic Types of Thyristors and Applications

In this article we will discuss about the various types of thyristors. Thyristors are 2 pin to 4 pin semiconductor devices that act like switches. For example a 2 pin thyristor only conducts when the voltage across its pins exceeds the breakdown voltage of the device. For a 3 pin...

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4 Channel Triac Board
High Voltage

4 Channel Triac Board

Opto-Isolated 4-Channel Triac Board (R) is used for fast switching applications. Ideal for switching mains circuits, lights, appliances and small load. Each circuit is effectively isolated with opto-isolators on each channel, TTL inputs control each channel. Trigger input 2-12...

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Triacs – How to calculate power and predict Tjmax
Basic Electronics

Triacs – How to calculate power and predict Tjmax

An application note from NXP on how to calculate the power dissipated by the triac: This Application Note describes how to calculate the power dissipation for triacs and Silicon Controlled Rectifiers. Thermal calculations are also included to help the circuit designer to predict the...

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WIFI Mains Power Dimmer / Switch
High Voltage

WIFI Mains Power Dimmer / Switch

MAINS Power Dimmer / Switch Module project by Tracker J: Now it’s about time to talk also about what many of you has asked for: DIMMING! It’s a total different story, little bit complicated but, as you will see, not so hard to understand. General considerations: There are...

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