MAX7219 7-Segment Display

Do you like the 7-segment displays? This board has a MAX7219, the board has eight digits connected in cascade. The board works at 5V and has SPI interface.   Video. Description of library. Initializes the MAX7219. MAX7219_Init(void)Example:MAX7219_Init();Writes a single digit.MAX7219_WriteDigit(c, digit) c: Sets the 7-segment character. digit: Sets the digit. Example:MAX7219_WriteDigit('2', 5); Writes constant numbers. MAX7219_ConstDigit(buffer); buffer:...

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DS3231 Library.

Professional library for projects where a RTC is implemented. Version 3. Request a copy.You can  send a request  to: armicrocontroller@gmail.com This function initializes the RTC.DS3231_Init(void)Example:DS3231_Init(); This function gets the time and calendar information of the RTC. DS3231_GetInfo(void) Example: DS3231_GetInfo();  This function can be used to configure a new time and calendar information.DS3231_AddData(dat,...

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Nokia 5110 LCD Library

The module Nokia 5110 is a monochrome graphic LCD with 48x84 pixels. This LCD has SPI interface and blue backlight. We can buy these modules for less 2 USD. Module Features. Resolution: 48 x 84 dot matrix panel. Power supply: 3.3V. Interface: SPI. Driver IC: PCD8544. Video. Request.Email contact: armicrocontroller@gmail.com Description of library.Initializes the Nokia5110 module.Nokia5110_Init(void)Example:Nokia5110_Init();Sets font...

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Led matrix, MAX7219 board.

In this post we will evaluate the MAX7219 board. This board was designed to control an 8x8 led matrix. I bought four boards in ebay, I like this model. How to assemble the boards. We solder two headers in each board. We will solder the led matrix, be sure to put the led matrix in correct position. How to connect the boards. We will connect the boards in the following way. Video. Request.Email contact: armicrocontroller@gmail.com Description...

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SHT21 Humidity and Temperature Sensor

SHT21, the new humidity and temperature sensor of Sensirion is about to set new standards in terms of size and intelligence: Embedded in a reflow solderable Dual Flat No leads (DFN) package of 3 x 3mm foot print and 1.1mm height it provides calibrated, linearized signals in digital, I2C format. ...

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DS1307. Real Time Clock.

Library and project   ...

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