maggiben

export function getNodeVersion(): { major: number; minor: number; patch: number } {
  const version = process.version.match(/(\d+)\.(\d+)\.(\d+)/);
  const [major, minor, patch] = ensureArray(version)
    .slice(1)
    .map((match) => parseInt(match as string, 10));
  return {
    major,
    minor,
    patch,
  };

maggiben

// Ardiono Date https://adafruit.github.io/RTClib/html/class_date_time.html#a50502a3a29409c6c2507638779df1a9d
let now = new Date();
// correct time zone offset for generating iso string
now.setMinutes(now.getMinutes() - now.getTimezoneOffset())
console.log(now.toISOString());

maggiben

Dark image remover daemon

Intended to be used to clean timelapse pictures

Requirements

1. Python 3
2. OpenCV library (cv2)
3. NumPy library (numpy)

Install python virtual env sudo apt install python3-venv

maggiben

#!/bin/bash

# Get the size of /snapshots
SNAPSHOT_SIZE=$(du -hs /snapshots 2>/dev/null | awk '{print $1}')
SNAPSHOT_TOTAL=$(ls | grep *.jpg | wc -l 2>/dev/null)
echo "[snapshots]"
echo "size: $SNAPSHOT_SIZE"
echo "total: $SNAPSHOT_TOTAL"

# Get the available space on the root partition

maggiben

Remote Watering System Setup

Requisites

1. Raspberry PI Zero 2W (any PI should work ok)
2. nodemcu-32s
3. USB OTG Cable, Power Supply, etc...

Preparation

1. Flash the OS into the SD card (32gb is plenty) (Config: Username, Wifi and SSH)
2. Connect the i2c RTC module to the rpi