About: Ibrar Ayyub

Abstract: A circuit and program listing for using the MAX6955 LED display driver with a PIC microcontroller and 14-segment displays. The MAX6955 is an LED display driver with an I2C™-compatible, serial interface capable of supporting Fast Mode speeds up to 400kHz. It is capable of driving sixteen 7-segment, eight 14-segment, eight 16-segment or 128 separate LEDs. […]

Ultra low cost solar-rechargeable persistence of vision display This device produces a bright and eye catching display to write text and small images through the air. It uses under £2 (approx $3.20 US at the time of writing) of parts, and is a nice little weekend project to impress your friends and family. It uses […]

Introduction I have been using the toner transfer method for about 9 years with great results. Occasionally I would need a board with finer traces and I would use UV method. My exposure setup allowed only a single sided board to be made and it was composed of a 30cm UV tube, some holders, a […]

s suitable many for simple, mini projects. I attached speaker to Timer14 PWM output (Pin PA6) and LED (or optocoupler connected to PTT) to GPIO pin PA0: The provided software is based on USB Virtual Com Port (VCP) device. The setup is done with command line interface using terminal from any PC. The setup is […]

Smart Button This is a button a little bit smarter. (Microcontrollers and coffee, who doesn’t like) I i’m using it to fill my Coffeemaker  with water. This way its a little bit more fun and i always get the same amount of water. Its a simple project, and it’s a good excuse to play with a PIC10F, […]

Microcontroller ( MCU ) circuits TINACloud supports a lot of PIC, AVR, 8051 and ARM microcontrollers; new MCUs are constantly being added. You can see and modify the program running in the processor and, of course, you can create your own code. There are two ways of providing the program for microcontrollers in TINACloud. You […]

Altera’s SoC FPGAs are now supported by Mentor’s Vista virtual software platforms for embedded software development. Vista can be downloaded from Mentor’s site. The Mentor Graphics Vista SoC virtual platforms are pre-built, fully functional simulation models of the ARM processor subsystems featured in each of Altera’s 28nm, 20nm, and 14nm SoC FPGA families. Software developers […]

The intel 8051 series 8bit microcontroller, originally introduced in 1980, remains popular and has had perhaps the longest product life of all such devices. It has become the industry standard for real-time and Boolean control applications. While some (who should know better) have said that the 8051 is dead, it continues to be a viable […]

Introduction When working with microcontrollers that require a factory calibrated osccal value stored in memory, it’s very normal that once in a while this setting could be lost during an upload of a new program or when accidentally erasing the device. I’m no exception and erased many times this value by mistake in several devices. […]

This instructable describes the design of function generator based on the Maxims’s Analog integrated circuit MAX038. The function generator is very useful tool for the electronics freaks. It is needed for tuning resonance circuits, testing audio and video equipment, designing of analog filters and for many other different purposes. Today there are two main types […]