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The Microcontroller Blog

The microcontroller blog keeps you up-to-date with all additions and changes to the best-microcontroller-projects.com Web site.


How to use Arduino shiftOut() for controlling chips with a 3 wire serial interface

The Arduino shiftOut() function can simply control many different serial interfaced chips. Find out how it works and how fast it operates.

Continue reading "How to use Arduino shiftOut() for controlling chips with a 3 wire serial interface"

How to use the ADS1115

A tutorial on using the ADS1115 precision 16 bit ADC for low power use.

Continue reading "How to use the ADS1115"

The TP4056: Lithium Ion/polymer Battery Charger IC

Learn how to use the TP4056 properly. There's a right, and a wrong way, to use it to safely charge Lithium Ion batteries.

Continue reading "The TP4056: Lithium Ion/polymer Battery Charger IC"

How to use the MCP4922, a versatile 2 channel analogue output device

The MCP4922 chip is an SPI interfaced 12 bit DAC but how fast can it go? Find out here.

Continue reading "How to use the MCP4922, a versatile 2 channel analogue output device"

How to use the MCP4725, a versatile and tiny (SOT-23-6) analogue output device

The MCP4725 chip is a 12 bit DAC with memory that outputs voltage that you can use for many dfferent purposes. Find out what they are in this page.

Continue reading "How to use the MCP4725, a versatile and tiny (SOT-23-6) analogue output device"

How to use the MCP4728, a versatile four channel DAC with built in voltage reference.

The MCP4728 chip is a four channel 12 bit DAC, with memory that outputs voltage that you can use for calibration, anywhere you want a fixed voltage.

Continue reading "How to use the MCP4728, a versatile four channel DAC with built in voltage reference."

PCF8591: An 8 bit ADC you can easily connect using I2C

PCF8591: A four input ADC with single DAC. How good is this 8 bit ADC, and should you use it in your next project?

Continue reading "PCF8591: An 8 bit ADC you can easily connect using I2C"

AD9833 a versatile easy to use signal generator on a chip

Find out how to use the AD9833 to generate sine, square and triangle waves at 0.1Hz resolution.

Continue reading "AD9833 a versatile easy to use signal generator on a chip"

How to use an arduno Nano as an ISP (In System Programmer)

Arduino Nano ISP: How to program an ATmega328P using an Arduino Nano as the ISP programmmer. One common problem: Programming a sketch into the chip without a reset control - solved here.

Continue reading "How to use an arduno Nano as an ISP (In System Programmer)"

Arduino Voltage Reference Capabilities

Arduino Voltage reference: Both the Uno and Nano have a built-in voltage reference: Find out how to make it more accurate. In addition find out how to use it to measure the supply voltage 1V8 ~ 5V5

Continue reading "Arduino Voltage Reference Capabilities"

Arduino EEPROM - how it works and how to use it - with examples.

Arduino EEPROM: How to use it and How to preserve the life of EEPROM. Two examples sketches to save multiple values to EEPROM.

Continue reading "Arduino EEPROM - how it works and how to use it - with examples."

DW01A Battery Protector IC

The DW01A chip is a Lithium Ion battery protector commonly used on TP4056 boards.  Find out Exactly how it works and how to use it the correct way.

Continue reading "DW01A Battery Protector IC"

Arduino String: How to read commands from the serial port.

For Arduino string operations you can use Object Class Strings or C style strings but which should you use? Also find out how to decode commands and control variables in your programs using strings.

Continue reading "Arduino String: How to read commands from the serial port."

A Real Time Clock design (DS1307) with a PIC microcontroller

Real Time Clock Design (FREE): A Free and Complete RTC design using the DS1307 and a PIC micro (16F88) also re-targetable. This PIC project uses an I2C Clock chip and 7-segment display to create a four digit standard desk clock.

Continue reading "A Real Time Clock design (DS1307) with a PIC microcontroller"

How to use the ADXL345 for movement sensing and more.

With the ADXL345 acellerometer you can detect up to 16g! You can also find out how to use it for tap detection and more.

Continue reading "How to use the ADXL345 for movement sensing and more."

Arduino Interrupt : There are Some You May Never Have Heard About!

Arduino Interrupt Tutorial: Find out how many external there are on an Arduino Uno - The answer is more than two!

Continue reading "Arduino Interrupt : There are Some You May Never Have Heard About!"

Easy Switch Debounce

Switch debounce: Three different ways to debounce input push switches with one amazing method that you can't miss.

Continue reading "Easy Switch Debounce"

ESP8266 Webserver in Lua

ESP8266 Webserver: This code shows you how to use lua to create a webserver using html button inputs to contrtol an LED on the ESP module.

Continue reading "ESP8266 Webserver in Lua"

ESP8266 NodeMCU Firmware: ESP8266 flash

How to flash nodemcu firmware into a ESP8266 so you can use the LUA scripting language.

Continue reading "ESP8266 NodeMCU Firmware: ESP8266 flash"

NodeMCU Examples

Nodemcu examples starting off wioth simple ones and progressing to wifi coding. This is an excellent tutorial to start learning how to use nodeMCU with lua.

Continue reading "NodeMCU Examples"

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Recent Articles

  1. How to use Arduino shiftOut() for controlling chips with a 3 wire serial interface

    The Arduino shiftOut() function can simply control many different serial interfaced chips. Find out how it works and how fast it operates.

    Read more

  2. How to use the ADS1115

    A tutorial on using the ADS1115 precision 16 bit ADC for low power use.

    Read more

  3. The TP4056: Lithium Ion/polymer Battery Charger IC

    Learn how to use the TP4056 properly. There's a right, and a wrong way, to use it to safely charge Lithium Ion batteries.

    Read more

  4. How to use the MCP4922, a versatile 2 channel analogue output device

    The MCP4922 chip is an SPI interfaced 12 bit DAC but how fast can it go? Find out here.

    Read more

  5. How to use the MCP4725, a versatile and tiny (SOT-23-6) analogue output device

    The MCP4725 chip is a 12 bit DAC with memory that outputs voltage that you can use for many dfferent purposes. Find out what they are in this page.

    Read more

  6. How to use the MCP4728, a versatile four channel DAC with built in voltage reference.

    The MCP4728 chip is a four channel 12 bit DAC, with memory that outputs voltage that you can use for calibration, anywhere you want a fixed voltage.

    Read more

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