Circuit Lake

Electronic Project and Circuit Collection

Display


Interfacing 8 LCD Displays to Microcontroller with Only Two Wires

June 13, 2013 By: admin Category: AVR, Display, Interfacing No Comments →

control 8 LCD using I2C

If you have electronics project that need many LCD display with limited MCU IO pin out, you can use this method to accomplish it. Jesus Echavarria has successfully interface 8 LCD displays and 24 Leds with only two wires: SDA and SCL from an I2C bus. The project uses MCP23017 (16-Bit I/O Expander with Serial […]

ATtiny2313 Frequency Meter

April 04, 2013 By: admin Category: AVR, Display, Measurement, Project No Comments →

Frequency Meter using ATtiny2313

The project shows you how to build simple and powerful frequency meter using ATtiny2313 microcontroller. The frequency meter can be used to measure frequencies from 1Hz to 10MHz (9,999,999 Hz) with a resolution of 1 Hz over the entire range. It displays result on seven 7-segment LED displays. The project uses 22.1184MHz overclocking crystal to […]


MSP430 Bike POV (Persistence of Vision)

February 21, 2013 By: admin Category: Display, LED No Comments →

bike POV booster pack for MSP430 launchPad

Spoke Ink is a booster pack for MSP430 LaunchPad that attaches to the spokes of your bicycle wheel. Using an array of 32 RGB LEDs and a magnetic sensor, this booster pack projects produce a bright and upright image right from the spokes of your wheel. You can create the image from any bitmap with […]

COM Port Number Detector for Serial to USB Adapter

January 17, 2013 By: admin Category: Detector, Display, PIC No Comments →

virtual serial port display

Xser is PIC18F2553-based serial to USB adapter with a small LCD display. When connected to a computer, the LCD shows the COM port number assigned to the device. This device helps you to find correct COM port for the USB adapter device without need to check it in your control panel.