The Matrix clock is a single board, highly compact, Arduino compatible clock that displays the time on an LED matrix display. The display and rich firmware library allow for animated transitions between minutes.
Based on the Arduino Leonardo, the Matrix Clock is fully compatible with the Arduino IDE and can be easily updated or customised with new sketches, uploaded via a USB Micro cable. A coin cell powered Real Time Clock Calendar keeps track of the time and date when the unit is not powered. The Matrix Clock can also play musical alarms that can be easily reprogrammed with different tunes. Due to its compact form factor the Matrix clock could be fitted in any number of housings - even a pocket watch style housing. If portability is desirable then the unit can be battery powered and a sleep function is available (by taking one of the expansion pins to ground) in order to extend battery life.
- 16x8 LED Matrix display
- ATMEGA32U4 microcontroller
- Coin cell powered Real Time Clock Calendar (1x Battery CR1220, 12mmDia x 2mm Required)
- Texas Instruments TLC5920 LED driver
- 4 Buttons
- Piezo speaker output
- Sleep mode input
- 2 power inputs, USB Micro connector or 6V - 9V DC in. (Normal powered by Vin switches when USB power is present).
- Compact form factor
|Microcontroller||Atmel ATmega32u4 in TQFP-44 package|
|Operating Voltage||5V USB powered or 6V to 9V Vin|
|Power and communications||USB Micro B|
|Current||Approx 90mA average during normal operation Max. 300mA|
|LED Matrix||2x, 8x8, 3mm green LEDs|
|Clock speed||Microcontroller 16MHz, RTCC 32.768MHz|
|Flash Memory||32 KB|
|Expansion Header||Gnd, Vin, 5V, Sleep, Piezo-, Piezo+|
|Size||66mm wide x 32mm high x 17mm deep|
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