The ADUC845 MicroConverter is a fully integrated Dual 24-bit, Multi-Channel Sigma Delta ADC and Flash Microcontroller on a single chip. This device is a multi-channel extension of ADIs popular ADuC844 and ADuC846 MicroConverter family and is optimized for....

A diode is used in series to drop the voltage down to 5. 4 V as the operating voltage for the PIC microcontroller should be below 5. 5 V. Besides, the diode also provides the protection to the circuit in case of reverse polarity of the power supply. I have....

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Prototype board for 40 pin Atmel ATMega microcontrollers with power supply circuit, 8MHz crystal oscillator circuit, RS232 port, reset IC, status LED, and 10 pin STK ICSP port.FR-4, 1.5 ....

Using an MC25060V2 fan, and I`d like to switch it on and off through software occasionally (i. e. not PWM or anything fancy like that). My thought is to either put an NPN BJT or a N-channel MOSFET on the low side and control it`s gate with a 5V....

Usually the project is a variation on the POV toy, which you see around online all of the time as a beginner electronics project. However, we decided to deviate from our traditional path this year and create our own synthesizer kit, with an SPI DAC, Audio....

This project can measure the clock pulses fed to the Timer input of the AVR microcontroller. The Bascom code counts the clock pulses for 1 second and display it...

An analog to digital converter converts an analog input voltage into a digital value. This is a circuit for shows the analog to digital converter. This circuit is using microcontroller ATmega8 for control the operation. This is the figure of the circuit. The....

learn to interface 4x4 matrix keypad with AVR and 8051 microcontroller and program AVR microcontroller and 8051 microcontroller in C and assembly for keypad matrix....

Using the ADC on an ATtiny24 to record a AC signal. The ADC has a range from 0-3. 3V. I`m using a precision rectifier to get rid of the negative portion of the signal. I`ve attached a picture of the circuit I`m using for the rectifier. I`m using an LMC6484....

Hello everyone, thank you for checking out my first Instructable. I have enjoyed seeing your creations over the years and love what all of you are con....

The Panasonic transducers are no longer available, but the design is still interesting as an example. J1 is the connection to the RCX. D1 - D4 form a bridge rectifier to obtain local power from the RCX which is stored on C7 and regulated to 5V by U1, a low....

The circuit below illustrates how to build your own daq_lite - also shown is a photo of a completed PCB board. Note that the 80mA fuse shown in the photo and the protection diode close to it are recommended but not necessary. Once you`ve built the circuit....

This resource contains step to step information to make AVR microcontroller programmer with suitable circuit diagram. This programmer able to program 8051, AT89XX, AT90XXXX, 8031 family microcontrollers....

A method of determining altitude is by the use of barometric pressure; however, it is not done without difficulty. The relationship of pressure vs. altitude is not a linear one, it is actually a fairly complex one, which the army came up with in the 1930`s.....

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This circuit is designed to digitally increase/decrease the volume of an analog audio signal. It uses a single AVR microcontroller to produce the controlling pulse width modulated (PWM) signal. However, the circuit`s innovation is the use of the....

USB flash drives provide a handy way to store any type of information in a small package. The drives, also known as thumb drives and USB keys, seem ideal for use in data loggers and other microcontroller-based projects. But to access files in a flash drive,....

Here the complete electrical circuit diagram of line follower robot which built based on ATmega16. There are three modules of line follower robot circuit that are sensor module, microcontroller module and DC motor module. ..

Ultrasonic Rat Repellent circuit and Notes on ultrasonic experiments on rats....

My projects typically involve many LEDs and microcontrollers. However sometimes I just love the simplest of things with LEDs. One of the very basic L....

Real time controller is a device used to exercise control over household device continuously ongoing and scheduled. The series of Real Time Controllers with microcontroller AT89C2051 which dituls in this article is a tool that can do that serve targeted. The....

Here the Arduino UNO schematic diagram (click to enlarge): About Arduino UNO: The Arduino Uno is really a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 may be employed as PWM outputs), 6 analog inputs, a 16 MHz....

Today may of our appliances come with displays and buttons. Instead of motors and gears, many household items today have embedded Microcontrollers. We are going to explore how we can experiment with Microcontrollers at home....

If you are a newbie and having the similar experience, here I suggest a general purpose I/O board that will not only reduce your prototyping time but also free up plenty of space on the breadboard for your project. The construction of this board is very....

The Raspberry Pi provides general purpose digital input/output pins (called GPIO pins) that you can use for reading digital logic signals or for outputting digital logic levels. The outputs do not have much current capability, but you can drive LEDs or....

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This is a low cost way of measuring temperature and humidity with a computer interface and is intended to be an entry level project for high school students on a tight budget. ..

the moving message will be display on the LCD which will be controlled through microcontroller and the message will be sent by computer using RS232. The circuit diagram of the moving message display is shown in this post and how the whole process is....

PIC microcontrollers are a very useful and versatile tool for use in many electronic projects. They are very inexpensive and easy to find. They are al....

You have mentioned 89S51/52.But in the picture I see 89C51. Which one do I use for the given .hex file(without the need to change the .hex file)?2....

Microchip has announced the availability of new PIC16F1512 and PIC16F151213 XLP microcontrollers. These new XLP (EXtreme Low Power) microcontrollers feature....