raspberrypisig

colorimeter

as7262 as7341

https://www.youtube.com/watch?v=CTWAyia3YDw

https://www.amazon.com.au/Color-Muse-color-matching-paint/dp/B01KKEMIF0/ref=asc_df_B01KKEMIF0/

spectrum to rgb

raspberrypisig

light intensity on mobile phone

samsung hidden menu #0#

under Sensors, light intensity. Unfortunately, my el cheapo doesn't have it

iphone app called photone

raspberrypisig

#include <util/atomic.h> // For the ATOMIC_BLOCK macro

#define ENCA 2 // YELLOW
#define ENCB 3 // WHITE
#define PWM 10
#define IN2 7
#define IN1 8

volatile int posi = 0; // specify posi as volatile: https://www.arduino.cc/reference/en/language/variables/variable-scope-qualifiers/volatile/
long prevT = 0;

raspberrypisig

Inter

https://github.com/rsms/inter

raspberrypisig

#!/usr/bin/env python

# For raspberry pi. LIBGL_ALWAYS_SOFTWARE=1 python pyglettest.py


import pyglet
from dataclasses import dataclass
from colormath.color_objects import XYZColor, sRGBColor
from colormath.color_conversions import convert_color

raspberrypisig

import requests

resp = requests.get("http://example.com")
print(resp.text)

raspberrypisig

https://community.home-assistant.io/t/templates-how-to-deal-with-unavailable-inputs/554306/3

- name: "Solarertrag heute"
      unique_id: solar_daily_yield
      unit_of_measurement: 'kWh'
      icon: mdi:solar-panel
      state: >
        {% if states('sensor.battery_day_charge_1')|is_number and
              states('sensor.battery_day_discharge_1')|is_number and
 states('sensor.daily_yield_1')|is_number and

raspberrypisig

https://www.esphome.io/components/sensor/vl53l0x.html

https://robotics.stackexchange.com/questions/21569/pid-controller-that-targets-a-set-rotation-and-a-set-velocity-at-that-rotation/21571#21571

https://www.eevblog.com/forum/projects/limiting-the-speed-of-a-motor-driven-by-a-position-based-pid/

https://www.reddit.com/r/Motors/comments/mu08zi/position_control_of_a_dc_motor_whats_the_best/

dc motor to stepper

raspberrypisig

#define CLK 2
#define DT 3
#define SW 4

int counter = 0;
int currentStateCLK;
int lastStateCLK;
String currentDir ="";
unsigned long lastButtonPress = 0;

raspberrypisig

https://wokwi.com/projects/390588335156205569