Light

mcauser / micropython-esp8266-nokia-5110-quad-7-segment Goto Github PK

View Code? Open in Web Editor NEW

4.0 3.0 1.0 832 KB

MicroPython library for emulating quad 7-segment LED displays on a Nokia 5110 with PCD8544 driver

License: MIT License

Python 100.00%

micropython wemos-d1-mini 7-segment esp8266 nokia-5110 pcd8544

micropython-esp8266-nokia-5110-quad-7-segment's Introduction

MicroPython ESP8266 Nokia 5110 Quad 7-segment

A MicroPython library for emulating a quad 7-segment LED display modules using a Nokia 5110 display with PCD8544 driver.

The 84x48 PCD8544 buffer:

They are called 7-segment displays as there are 7 LEDs for each digit (segment). One byte (7 lower bits) for each segment. The 8th bit (MSB) is for the decimal point.

      A
     ---
  F |   | B
     -G-
  E |   | C
     ---   * H
      D

  HGFEDCBA
0b01101101 = 0x6D = 109 = show "5"

Display	Bin	Hex	Dec
0	0b00111111	0x3F	63
1	0b00000110	0x06	6
2	0b01011011	0x5B	91
3	0b01001111	0x4F	79
4	0b01100110	0x66	102
5	0b01101101	0x6D	109
6	0b01111101	0x7D	125
7	0b00000111	0x07	7
8	0b01111111	0x7F	127
9	0b01101111	0x6F	111
A	0b01110111	0x77	119
b	0b01111100	0x7C	124
C	0b00111001	0x39	57
d	0b01011110	0x5E	94
E	0b01111001	0x79	121
F	0b01110001	0x71	113
G	0b00111101	0x3D	61
H	0b01110110	0x76	118
I	0b00000110	0x06	6
J	0b00011110	0x1E	30
K	0b01110110	0x76	118
L	0b00111000	0x38	56
M	0b01010101	0x55	85
n	0b01010100	0x54	84
O	0b00111111	0x3F	63
P	0b01110011	0x73	115
q	0b01100111	0x67	103
r	0b01010000	0x50	80
S	0b01101101	0x6D	109
t	0b01111000	0x78	120
U	0b00111110	0x3E	62
v	0b00011100	0x1C	28
W	0b00101010	0x2A	42
X	0b01110110	0x76	118
y	0b01101110	0x6E	110
Z	0b01011011	0x5B	91
blank	0b00000000	0x00	0
-	0b01000000	0x40	64
*	0b01100011	0x63	99

Parts

WeMos D1 Mini $4.00 USD
Nokia 5110 module $2.10 USD
Breadboard 400 point $1.02 USD
Jumper wire $1.72 USD

Connections

WeMos D1 Mini	Nokia 5110 PCD8544 LCD
D3 (GPIO0)	0 RST
D4 (GPIO2)	1 CE
D8 (GPIO15)	2 DC
D7 (GPIO13)	3 Din
D5 (GPIO14)	4 Clk
3V3	5 Vcc
D6 (GPIO12)	6 BL
G	7 Gnd

Links

License

Licensed under the MIT License.

micropython-esp8266-nokia-5110-quad-7-segment's People

Contributors

Stargazers

Watchers

Forkers

Recommend Projects

React

A declarative, efficient, and flexible JavaScript library for building user interfaces.
Vue.js

🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
Typescript

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
TensorFlow

An Open Source Machine Learning Framework for Everyone
Django

The Web framework for perfectionists with deadlines.
Laravel

A PHP framework for web artisans
D3

Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Recommend Topics

javascript

JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
web

Some thing interesting about web. New door for the world.
server

A server is a program made to process requests and deliver data to clients.
Machine learning

Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Visualization

Some thing interesting about visualization, use data art
Game

Some thing interesting about game, make everyone happy.

Recommend Org

Facebook

We are working to build community through open source technology. NB: members must have two-factor auth.
Microsoft

Open source projects and samples from Microsoft.
Google

Google ❤️ Open Source for everyone.
Alibaba

Alibaba Open Source for everyone
D3

Data-Driven Documents codes.
Tencent

China tencent open source team.