Description:

- Type: Other Household Sundries
- Place of Origin: China (Mainland)
- Brand Name: jy
- Model Number: F220#

- Package Size: 20*10*10(cm)
- Package Weight: 200(g)

                

Note:The electronic clock did not go when the power-down function, described on the instructions provided to achieve the source, only for learning to use open source, do not promise custom functions will continue to provide follow-up version of the source.

 

The module ASIC driver HT1632C lattice, without requiring an MCU scan, do not take MCU resources, 16 adjustable brightness, saving three IO lines / four-wire interface module is reserved for a ATMEGA8 microcontroller, AVR USB, mini USB Chip Block, buzzer, 18B20 temperature sensor, LED metering port, infrared receiver interfaces, RTC clock module (reserved), three separate buttons, AD input supply voltage can be measured, easy to do secondary development. The module is pre-installed basic HT1632C peripheral circuits and ATMEGA8 +32768 crystal, other parts required to install itself.  the purchase of the module schematics, AVR sample program.

 

As the color reasons, looks like a yellow dot is actually red.

 

1, time display,
2, time, date adjustment, with leap year compensation (2000 - ~ 2099)
3, date and temperature every 5 minutes to scroll through once (the version without 18B20, temperature invalid, buy their own installation)
4, the time display on the move,
5, 16-level brightness adjustment.

 

Increase the travel time increases with power-down $ 3, plus $ 3 increase in the temperature display, if necessary, please contact customer service.

 

Power: 3V ~ 5V
Minimum operating current: <30mA (5V, lowest brightness, lowest brightness can be used indoors)
Maximum Operating Current: <300mA (5V, maximum brightness, glare)

Size: 17.6cm * 3.8cm,

Packing list:

Dot Matrix Clock*1

(power not included)

 

 

 

 

 

 

 

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