In this article, we are going to see how we can store String in the EEPROM of a microcontroller and recall those strings to print on display or use it for different purposes. Usually, we use ROM as the main memory and RAM for variables. But this technique will save Read more…
This is a mini article where you are going to learn about an One Button push on push off switch circuit. Sometimes we need a small button switch that can be used as one push switch on, another push switch off. As this is a logical operation, something digital circuit Read more…
In this article, we are going to learn about Interfacing External EEPROM with a PIC microcontroller. All the microcontrollers do not have EEPROM but sometimes, we need to save some information in EEPROM while the MCU does not have any. In that case, external EEPROM is the only solution. So Read more…
This is a very common error to them who works with microcontrollers. In this article, I’ll show you ways to solve this Not Enough ROM/RAM error. The high-level MCUs are capable of handling the memory mapping properly. But the lower level MCUs are not especially PIC10F,12F,16F series. But we need Read more…
In this article, we are going to learn how to Read ThingSpeak Channel using ESP8266 and Arduino. There are lots of example codes over the internet with data posting to ThingSpeak using ESP8266 and Arduino. But there are almost none that really read the channel feed using the ESP8266 Wi-Fi Read more…
In this article, we will write our own code that can be used for ‘Reading SMS with Arduino’. We use Arduinos in different projects. When using GSM modules, we may need to use SMS to give commands to the device. Besides using a big library like FONA, this small code Read more…
In this article, we are going to make our own Caller ID detection using Arduino. Usually, there are several libraries over the internet, but recently I had some bad experiences with most of them. That is why I simplified the process so that we can easily integrate this function in Read more…
In this article, we are going to learn how to make a simple voltage protector for your appliances. A small device can save lots of money, saving your appliances from voltage spike/surge/sag and unacceptable voltage range. So let’s make it! What is spike/surge/sag? Usually, your home supply voltage is either Read more…
Sometimes, you may need to make a DC/DC converter with minor components that can handle small loads. In this article, we are going to make something like that. This DC/DC converter using transistor has only a few components and can handle small loads or higher voltages, suitable to use with Read more…
In this article, we are going to make a Simple Component Detector using PIC16F877A microcontroller. Using the basic working principles of different semiconductors, we can identify the devices. Here, we are using some simple and basic techniques, using these techniques, we can measure/detect resistors, diodes, LEDs, transistors, MOSFETs, Logic Gates, Read more…
