Search found 8 matches
- Sun Apr 18, 2021 12:01 pm
- Forum: Drivers for External Components
- Topic: ST7920 text mode driver
- Replies: 1
- Views: 4508
Re: ST7920 text mode driver
Changed my library for graphics mode. Now it use standart framebuffer. https://github.com/Lepeshka92/micropyt ... 266-st7920
- Sun Mar 14, 2021 12:49 pm
- Forum: Hardware Projects
- Topic: TelegaGraph
- Replies: 10
- Views: 55111
- Mon Mar 08, 2021 12:19 pm
- Forum: Hardware Projects
- Topic: TelegaGraph
- Replies: 10
- Views: 55111
Re: TelegaGraph
On esp8266 little memory, so I moved the project to use esp32. https://github.com/Lepeshka92/TelegaGraph
- Sat May 16, 2020 12:13 pm
- Forum: Drivers for External Components
- Topic: ST7920 text mode driver
- Replies: 1
- Views: 4508
ST7920 text mode driver
I wrote code for text mode st7920 display. Link: https://github.com/Lepeshka92/micropython-esp8266-st7920 But there is a problem. RAM optimized for 16x16 characters. So, if I want write letter 'A' (8x16) in first position, i need to write a space before it. It will delete letter in zero position. Ho...
- Sat Nov 30, 2019 7:00 pm
- Forum: Hardware Projects
- Topic: NeoPixelGram
- Replies: 0
- Views: 2729
NeoPixelGram
I made NeoPixel matrix controlled by Telegram bot. Video: https://www.youtube.com/watch?v=Lv6XG4p3-OY Github: https://github.com/Lepeshka92/NeoPixelGram Project: https://www.hackster.io/lepeshka/neopixelgram-82c920 or https://lepeshka.wordpress.com/2019/11/30/neopixelgram-esp8266-micropython-neopixe...
- Sun Oct 27, 2019 5:27 pm
- Forum: Hardware Projects
- Topic: TelegaGraph
- Replies: 10
- Views: 55111
Re: TelegaGraph
I build micropython firmware v1.11 for wemos d1 mini with increased buffer and upload to github. Burn firmware, upload files, upload urequests (i forget to add it to firmware).
- Mon Mar 26, 2018 8:24 am
- Forum: Hardware Projects
- Topic: TelegaGraph
- Replies: 10
- Views: 55111
Re: TelegaGraph
Printer can be put into energy-saving mode until arrival of a new messagepythoncoder wrote: ↑Mon Mar 26, 2018 6:13 amI like it I wonder if there's scope for saving power by switching off the DC supply to the printer until a message arrives?
- Sun Mar 25, 2018 3:11 pm
- Forum: Hardware Projects
- Topic: TelegaGraph
- Replies: 10
- Views: 55111
TelegaGraph
TelegaGraph prints messages from Telegram Bot on a thermal printer only with ESP8266. It is only the first version. The code is not the best, but I would like to have something to work. Used board Wemos D1 mini firmware Micropython v.1.9.3 I wrote a basic library for working with bot api Telegram. I...