Lukelectro
Lukelectro
/ main.c
Created
March 1, 2023 13:29
neon indicator binary counter: 4 bits on 2 lamps (using both electrodes)
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| #include <avr/io.h> | |
| #include <avr/interrupt.h> | |
| #define F_CPU 8e6 | |
| #include <util/delay.h> | |
| /* | |
| FUSES = { | |
| .low = 0xE2, //INTRC 8 MHZ, no CKDIV8 | |
| .high = 0xD9, // geen bootloader | |
| .extended = 0xFF, // geen BOD |
Lukelectro
/ sinetable.py
Created
February 19, 2023 20:05
Sine table for MCU use (Not below zero / offset, though ofc this can be changed)
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| import math | |
| import matplotlib.pyplot as plt | |
| sintable = " " | |
| sinplottable =[] | |
| sinplotfull = [] | |
| # for conversion from volts to adc ticks | |
| vfull=3.3 | |
| fullscale = 4096 |
Lukelectro
/ main.c
Created
February 18, 2023 16:26
Atmega328p-based DC-AC converter to ring a T65 phone, simpler hardware, but horrible waveshape
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| #include <avr/io.h> | |
| #include <avr/interrupt.h> | |
| #define F_CPU 8e6 | |
| #include <util/delay.h> | |
| /* | |
| FUSES = { | |
| .low = 0xE2, //INTRC 8 MHZ, no CKDIV8 | |
| .high = 0xD9, // geen bootloader | |
| .extended = 0xFF, // geen BOD |
Lukelectro
/ main.c
Last active
March 1, 2023 13:33
Atmega328p-based DC-AC converter to ring a T65 phone
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| /* | |
| * Atmega328p-based DC-AC converter to ring a T65 phone. | |
| * http://www.eluke.nl for schematic | |
| */ | |
| #include <avr/io.h> | |
| #include <avr/interrupt.h> | |
| #define F_CPU 8e6 | |
| #include <util/delay.h> |
Lukelectro
/ runradio.service
Created
October 30, 2022 19:12
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| [Unit] | |
| Description="run web radio receiver" | |
| After=multi-user.target | |
| [Service] | |
| Type=simple | |
| User=USERNAME_HIER_INVULLEN | |
| Group=USERGROUP_HIER_INVULLEN | |
| ExecStart=/usr/bin/python3 /home/USERNAME/runradio.py |
Lukelectro
/ optical_distance_sensor.ino
Created
June 30, 2022 13:32
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| /* | |
| simple example for optical distance sensor with IR LED and BPW40 | |
| LED has 470R series resistor and is connected to pin given as IRLED (Pin 8 / PB0) | |
| BPW40 is wired with collector to +5V, emitor to 1k8 to ground. | |
| Emitor of BPW40 is capacitively coupled with 100 nF to pin given as BPW40 (pin A1, PC1) | |
| That pin also has a 100k resistor to ground | |
| (D8) + 5V | |
| | | | |
| 470R | |
Lukelectro
/ runradio.py
Created
June 27, 2022 14:23
radio stream receiver for raspi, bodged together from url mentioned in comments and a few other sources: A website with streaming urls (https://hendrikjansen.nl/henk/streaming.html) and a few adafruit / sparkfun tutorials on audio-to-usb-soundcard and readonly OS. (strangely, after routing audio to card 1 which is the usb card and setting the FS…
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| #!/usr/bin/env python3 | |
| # requires `mplayer` to be installed | |
| # v1.0 | |
| # https://raspberrytips.nl/internet-radio-luisteren-raspberry-pi/ | |
| #modified to use vlc and a simple hd44780lcd + 3 buttons | |
| import time | |
| import os | |
| import sys |
Lukelectro
/ slicer_vinylcut_config.ini
Created
January 30, 2022 13:09
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| # generated by Slic3r 1.3.0 on 2022-01-30 13:05:52 | |
| adaptive_slicing = 0 | |
| adaptive_slicing_quality = 75% | |
| avoid_crossing_perimeters = 0 | |
| bed_shape = 0x0,190x0,190x190,0x190 | |
| bed_temperature = 0 | |
| before_layer_gcode = | |
| between_objects_gcode = | |
| bottom_infill_pattern = rectilinear | |
| bottom_solid_layers = 0 |
Lukelectro
/ DemoReel100_modified.ino
Created
January 7, 2022 20:51
Showreel for 241 pixel nested LED-rings, based on FastLED's showreel100, includes a modified Fire2012
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| #include <FastLED.h> | |
| FASTLED_USING_NAMESPACE | |
| // FastLED "100-lines-of-code" demo reel, showing just a few | |
| // of the kinds of animation patterns you can quickly and easily | |
| // compose using FastLED. | |
| // | |
| // This example also shows one easy way to define multiple | |
| // animations patterns and have them automatically rotate. |
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| #include <msp430.h> | |
| #include <stdbool.h> | |
| /** | |
| * slim solarlampje. | |
| * Doel: | |
| * aan net voor zonsopgang tot zonsopgang, | |
| * aan na zonsondergang, maar beperkte tijd (niet hele nacht) | |
| * dus de "vorige" zonsondergang/opgang onthouden. | |
| * |
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