adnbr
/ max7219-basic.c
Last active
November 23, 2023 23:09
Simple AVR code for using a MAX7219 7-segment display driver
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| /* MAX7219 Interaction Code | |
| * --------------------------- | |
| * For more information see | |
| * http://www.adnbr.co.uk/articles/max7219-and-7-segment-displays | |
| * | |
| * 668 bytes - ATmega168 - 16MHz | |
| */ | |
| // 16MHz clock | |
| #define F_CPU 16000000UL |
adnbr
/ counting-millis.c
Created
April 21, 2012 19:01
Counting the passing of milliseconds using Timer1 on AVR.
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| /* Counting Milliseconds with Timer1 | |
| * --------------------------------- | |
| * For more information see | |
| * http://www.adnbr.co.uk/articles/counting-milliseconds | |
| * | |
| * 620 bytes - ATmega168 - 16MHz | |
| */ | |
| // 16MHz Clock | |
| #define F_CPU 16000000UL |
adnbr
/ simple-usart-commands.c
Last active
September 22, 2022 07:01
Parsing simple USART commands on an AVR
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| /* Parsing simple USART commands | |
| * ----------------------------- | |
| * For more information see | |
| * http://www.adnbr.co.uk/articles/parsing-simple-usart-commands | |
| * | |
| * 996 bytes - ATmega168 - 16MHz | |
| */ | |
| #define F_CPU 16000000UL | |
| #define BAUD 19200 |
adnbr
/ attiny13-adc-pwm.c
Last active
March 4, 2022 00:13
ADC input directly to PWM output, on an ATtiny13.
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| /* --------------------------------------------------------------------- | |
| * PWM LED Brightness control for ATtiny13. | |
| * Datasheet for ATtiny13: http://www.atmel.com/images/doc2535.pdf | |
| * | |
| * Pin configuration - | |
| * PB1/OC0B: LED output (Pin 6) | |
| * PB2/ADC1: Potentiometer input (Pin 7) | |
| * | |
| * ~100 bytes. | |
| * |
adnbr
/ expanded-environment-bot.json
Last active
January 29, 2017 13:22
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| { | |
| "response_type":"in_channel", | |
| "text":"The interior sensors are currently located in the Workshop.", | |
| "username":"Environmental Bot", | |
| "icon_emoji":":thermometer:", | |
| "attachments":[ | |
| { | |
| "color":newspace_colour, | |
| "mrkdwn_in":[ | |
| "text", |
adnbr
/ environment_bot.py
Last active
April 5, 2018 12:32
Trending temperature, time print on Slack is now the time of the last Thingspeak update
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| # -*- coding: utf-8 -*- | |
| # Consolidates several data feeds from Thingspeak and SpaceAPI for consumption | |
| # in Slack, where users can find out whether they should wear shorts by using | |
| # the '/temperature' command. | |
| # Outside weather data is from DarkSky. You'll need to get an API key. | |
| # This script is run on a cron job every 15 minutes writing out to a static file | |
| # available on a web server. | |