Components

How to Read Inductor Color Codes

This is an usefule table to read the color codes printed on inductors.

inductor color code

How to make working a PIC 16LF876 with 3.3V

pic low voltage

A question taken by some hobbysts is: how to make working a PIC 16LFxxx with low voltage? The datasheet say that it accept a supply range from 2.0V to 5.5V, but many users note that with a crystal of 4MHz the PIC starts running only up to 4V.

How To Read Resistor Color Codes

This is an usefule table to read the color codes printed on resistors.

Resistor

BC546, BC547, BC548 comparison table

General purpose transistors BC546, BC547 and BC548 are very popular and similar, here we explain the differences of these components.

TO92 package, simplified outline and symbol

Information sheet of LCD TM202AAA

Datasheets of the LCD module TM202AAA from Tianma are not popular; here we write some guidelines to understand how to use this module.

LCD module from Tianma Microelectrons The TM202AAA LCD module

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