Mike's Electro Shack

01/07/2026

All posts from Mike's Electro Shack can be found on my blog https://lagacemichel.com/. Code used can be found on GitHub https://github.com/lagacemichel.

More than 48 years working in the high technology sector, I now share tips and tricks on software and electronics. I also love to cook and to write in my spare - lagacemichel

12/01/2024

Working on my next blog post at lagacemichel.com "How to create libraries." Also coming up :
- Using libraries to drive an LCD display
- Capacitance Meter
- Driving Seven-Segment Displays with Shift Registers
- Controlling the Arduino from a PC

Send a message to learn more

10/25/2024

New Blog Post Alert! Dive into the world of the 555 Timer IC with my latest post on Mike’s Electro Shack! Learn how to use this versatile chip in monostable and astable modes for your electronics projects. Check it out now!

The 555 timer integrated circuit (IC) is used in timing, pulse generation, and oscillator applications. It can be configured to generate digital pulses of fixed time lengths. It can also generate c…

11/29/2023

Du renfort pour les parents désemparés pendant les congés forcés

Nos exercices de grammaire en ligne peuvent contribuer à garder vos enfants actifs et à entretenir leur compétence en analyse grammaticale.

L'accès visiteur est gratuit pour tous.

👉 netaccords.net (5e et 6e année)
👉 netphrases.net (6e année et niveaux secondaires)

07/02/2022

My latest blog post. Get tens of digital outputs from a single Arduino Uno using shift register integrated circuits and serial communication.

What if we needed tens or even hundreds of digital outputs from a single Arduino Uno? It can be done using digital electronic integrated circuits called shift registers along with a technique calle…

10/02/2021

In the seven-segment display post, we drove the display directly from the Arduino's digital output pins. 12 digital output pins were required. In my next post, I will show how to use shift registers (74HC595) to drive the display using only 3 digital output pins.

09/28/2021

I made an interesting find while researching thermistor characteristics: to get the largest voltage range using a voltage divider to measure the resistance across a thermistor, make the value of the dividing resistance the square root of the product of the smallest and largest thermistor resistance value for the required range.

Rdivider = sqrt(Rhigh*Rlow)

09/26/2021

In this post, I explain how I determined the type of thermal sensor was used in a thermometer probe, describe how to read temperature from it on an Arduino and report back to a PC.

In this post, I explain how I determined the type of sensor used within my cooking timer/thermometer probe. I then describe a small circuit and Arduino program I devised to measure temperatures usi…

07/21/2021

Just found an old temperature probe from a long gone kitchen timer/thermometer. My next blog post will be on figuring out what type of it is and using it to build a food using an microcontroller.

07/04/2021

Many projects require the ability to display values. Until now, we have used the Serial library to display information on the computer connected to the Arduino. Particularly, in the Sensing Temperature and Humidity post, we used the Serial library to display temperature and humidity on the IDE's Serial Monitor window. In this post, we will use a four digit seven-segment display…...

Many projects require the ability to display values. In this post, we will use a four digit seven-segment display to show numbers directly from the Arduino micro-controller.