描述

8×8 20mmx20mm Dot Matrix 1.9mm Common Anode Red

Address 0x70  for 8×16

Address 0x71 for 8 x16

Address 70, 71 for 16×16

I2Cdetec status

一、 You can connect two 16×16 LED Matrix for 32 x16 LED  Matrix

三、Display Image

四、 Display Raspberry Pi RTC Time & Date

五、 Display Raspberry Pi RTC Time & Date ( 3×5 small font)

六、 70, 71 for two LED driver   HT16K33    DataSheet

The HT16K33 is a memory mapping and multi-function LED controller driver. The max. Display
segment numbers in the device is 128 patterns (16 segments and 8 commons) with a 13*3 (MAX.)
matrix key scan circuit. The software configuration features of the HT16K33 makes it suitable
for multiple LED applications including LED modules and display subsystems. The HT16K33 is
compatible with most microcontrollers and communicates via a two-line bidirectional I2C-bus.

七、產品特色
1. Operating voltage: 4.5V~5.5V
2. Integrated RC oscillator
3. I2C-bus interface
4. 16*8 bits RAM for display data storage
5. Max. 16 x 8 patterns, 16 segments and 8 commons
6. R/W address auto increment
7. Max. 13 x 3 matrix key scanning
8. 16-step dimming circuit
9. Selection of 20/24/28-pin SOP package types

八、範例程式下載 (include 16×16 & 24×16)

1.led8x16_j.py          24×16 moving image
2.led16x16-7172.py   16×16 test in address 71,72
3.led_time.py            2 line Date & Time information
4.led16x16.py            16×16 test in address 70,71
5.led_16x16_v2.py    16×16 display time & date
6.led_image.py          16×16 show image then Time & date
7.led24x16.py            24×16 line test
8.time_check.py         sync RTC tiem & System Time
9.led8x16-70.py        8×16 test in address 70
10.led8x16-71.py        8×16 test in address 71
11.led_single_img.py   24×16 display image first then Time & date
12.led_single.py 24×16 display Time & date
13.led_16x16_small.py          16×16 3×5 small font clock
14.led_jd.py                24×16 input message test
(1) input “TEST” for display all characters
(2) input “Time” display Time & Date
(3) input  “Smile”   display 6 Smile face
(4) input  “Cont” display 6 Block

九、Scratch驅動應用範例  Detail

(1) command  SLED+ “time”   display Time & Date (3×5 font)

(2) command SLED+ “img”   display 16X16 image

(3) command SLED + “message”   display message

SLED this is led matrix demo     –> display “this is led matrix demo”

(4) command “SLEDCLS” clean 16×16 screen

(5) command SPRINT + “message”

Maximum display message 5X7 4 character in 16×16 Matrix

十、範例程式下載

24×16 Matrix Test Program

Matrix-v2  for  Rs-pi V2 board

十一、產品內容

1x Rs-Pi I2C LED Matrix 16×16 board

1x User Manual