My stories indexed

Index of Luc's Tech Blog

3D Designs

Bubble level - make your own bubble level
Candle Maker - A mold to make candles from milk cartons
Card display aid - A small printed object that adjusts my girlfriends card display

Charlieplexing 4 - Larson scanner  
Custom switches - Make a mold for your custom switches
Cutting up designs in Tinkercad - Cut up your designs to fit them on the printerbed
Embossing print in Bookbinding - an easy way to make an embossed book cover

ESP8266 Computer - Make your ESP8266 look as a retro computer or a small box
Fence caps
Frame for Paintings
Happy 2017 - A 3D printed holliday card
Hearts as holders for tealights 
Hook for shelves
Ledstripholder

Lightmouse - Just move your hand to move the mousepointer
Rain Sensor - Get an alert on a webpage when it rains  
Spacers also to be used as a piggybank

Wifi Thermometer - Oh no not another ESP8266 thermometer
Waterproofing your prints - Test if 3D prints are waterproof


Android

App Inventor
Arduino to Android - Use your phone as a display for your projects
Arduino to Android part II - Use your phone as a display for projects
IFTTT introduction - What is IFTTT and what can we do with it part 1
IFTTT part 4 - Send a notification to my phone
Ledstrip Controlling part 2 - How to control a ledstrip with your Android Phone and an Attiny85 over Bluetooth

Lightmouse - Just move your hand to move the mousepointer
Relay commander - Use your phone to control a relay over Bluetooth
The Great Dictator part 2 - Use your voice to dictate notes on your phone
Voice Command - Control a ledstrip or lamps etc by giving voice commands 

Wifi Relay - Control some leds or relay with a dedicated App
Winemaker App - An Android App for winemakers 
Working in the Cloud


App Inventor

App Inventor
App of the month - A bit of bragging
Arduino to Android - Use your phone as a display for your projects 
Arduino to Android part II - Use your phone as a display for projects
Ledstrip Controlling part 2 - How to control a ledstrip with your Android Phone and an Attiny85 over Bluetooth
Relay commander - Use your phone to control a relay over Bluetooth
Voice Command - Control a ledstrip or lamps etc by giving voice commands

Wifi Relay - Control some leds or relay with a dedicated App 
Winemaker App - An Android App for winemakers


Arduino

433 Mhz Transmitter and Receiver 

Analog pull-down resistor - Why you should use it
Arduino Cookbook
Arduino Nano driver
Arduino to Android - Use your phone as a display for your projects
Arduino to Android part II - Use your phone as a display for projects
Bluetooth module - first look at the HC06
Charlieplexing 1 - A method for attaching more leds you your outputs
Charlieplexing 2 - refining the software 

Charlieplexing 3 - an easy way for wiring the leds
Charlieplexing 4 - Larson scanner
Cutting up the ledstrip - How to cut a 5 meter ledstrip in smaller parts
Ledstrip Controlling part 1 - How to power and control a RGB ledstrip
Ledstrip Controlling part 2 - How to control a ledstrip with your Android Phone and an Attiny85 over Bluetooth

Lightmouse - Just move your hand to move the mousepointer
Neopixels intro
NUW - The clock that displays time in resistor color codes 

Powering your project - Using a double USB poweroutlet 
Relay commander - Use your phone to control a relay over Bluetooth
Voice Command - Control a ledstrip or lamps etc by giving voice commands


Attiny85

Analog pull-down resistor - Why you should use it
Arduino to Android - Use your phone as a display for your projects
Arduino to Android part II - Use your phone as a display for projects
Charlieplexing 1 - A method for attaching more leds you your outputs
Charlieplexing 2 - refining the software

Charlieplexing 3 - an easy way for wiring the leds
Charlieplexing 4 - Larson scanner
Compiler Bug - how to solve the bug in the Attiny85 compiler
Ledstrip Controlling part 2 - How to control a ledstrip with your Android Phone and an Attiny85 over Bluetooth
Neopixels intro
NUW - The clock that displays time in resistor color codes

Powering your project - Using a double USB poweroutlet 
Relay commander - Use your phone to control a relay over Bluetooth
Voice Command - Control a ledstrip or lamps etc by giving voice commands


Basic Language

Back to Basic - introduction to ESP-Basic
Cheapskate - test wether your fridge light is on or off
Google Home and the ESP8266 - Turn on your devices with your voice
IFTTT part 3 Alert over IFTTT - Tweet an alarm when your PIR has noticed motion

Wifi Thermometer - Oh no not another ESP8266 thermometer
Thingspeak - A cloud based IOT service. Send thermometer values to the cloud

Bluetooth

Arduino to Android - Use your phone as a display for your projects
Arduino to Android part II - Use your phone as a display for projects
Bluetooth module - first look at the HC06
Ledstrip Controlling part 2 - How to control a ledstrip with your Android Phone and an Attiny85 over Bluetooth
Relay commander - Use your phone to control a relay over Bluetooth
Voice Command - Control a ledstrip or lamps etc by giving voice commands


Dallas DS18B20 Temperature sensor

Back to Basic - introduction to ESP-Basic

Thingspeak - A cloud based IOT service. Send thermometer values to the cloud
Wifi Thermometer - Oh no not another ESP8266 thermometer

Electronics

9 Volts power plug - Make your own 9Volts power plug for an AC-adapter

Analog pull-down resistor - Why you should use it
Custom switches - Make a mold for your custom switches with Oogoo
Cutting up the ledstrip - How to cut a 5 meter ledstrip in smaller parts
DIY Breadboard cables - Make your own cables from paperclips
Infinity Mirror
Infinity Mirror Part 2 
Ledstrip Controlling part 1 - How to power and control a RGB ledstrip
LM 317 - How to make any voltage you need
Painting packaging - An alternative way for packaging
PIR Basics - Movement detection with a PIR 
Polarity tester - A simple circuit to test your power supply

Powering your project - Using a double USB poweroutlet 
Scavenging leds from Christmas decorations - how to get leds for an ulktra low price 
Scavenging on the flea market - get your power supplies for next to nothing
Tactile switches - An easy way to connect tactile switches
USB Power meter - cheap meter that shows your power use 

Watch your cables - cables can give power problems
Wire tester - Use the polarity tester to check for short circuits


ESP8266 / NodeMCU

Analog pull-down resistor - Why you should use it
Back to Basic - introduction to ESP-Basic 
Cheapskate - test wether your fridge light is on or off

ESP8266 Computer - Make your ESP8266 look as a retro computer or a small box 
ESP Controlled ledstrip - Control a single color ledstrip from a webpage
ESP8266 Programming boardAn easy way to program the ESP01
Flashing the ESP8266 - get your board ready to program
Getting the right time - using LUA code
Google Home and the ESP8266 - Turn on your devices with your voice
IFTTT part 3 Alert over IFTTT - Tweet an alarm when your PIR has noticed motion
Neopixels intro
NodeMCU breadboard aid - a small stripboard to help breadboarding the NodeMCU
Powering your project - Using a double USB poweroutlet
Rain Sensor - Get an alert on a webpage when it rains
Relay Server  - Control your lights over the internet AND manual

Thingspeak - A cloud based IOT service. Send thermometer values to the cloud
Wifi Thermometer - Oh no not another ESP8266 thermometer
Wifi Relay - Control some leds or relay with a dedicated App 

Google Home Assistant

Google Home and the ESP8266 - Turn on your devices with your voice
Visible feedback for the Raspberry Home Assistant - Attach a led that shows activity


IFTTT (If this then that)

Back to Basic - introduction to ESP-Basic
Google Home and the ESP8266 - Turn on your devices with your voice
IFTTT introduction - What is IFTTT and what can we do with it part 1
IFTTT part 2 Maker Channel - Tutorial part 2
IFTTT part 3 Alert over IFTTT - Tweet an alarm when your PIR has noticed motion
IFTTT part 4 - Send a notification to my phone


IOT (Internet of Things)

Back to Basic - introduction to ESP-Basic
Burglars invited - Be carefull what you publisch on public sites
Cheapskate - test wether your fridge light is on or off
ESP Controlled ledstrip - Control a single color ledstrip from a webpage
Google Home and the ESP8266 - Turn on your devices with your voice
IFTTT part 3 Alert over IFTTT - Tweet an alarm when your PIR has noticed motion
IFTTT part 4 - Send a notification to my phone
Rain Sensor - Get an alert on a webpage when it rains
Relay Server  - Control your lights over the internet AND manual

Thingspeak - A cloud based IOT service. Send thermometer values to the cloud
Wifi Thermometer - Oh no not another ESP8266 thermometer
Wifi Relay - Control some leds or relay with a dedicated App 

Ledstrip 

Cutting up the ledstrip - How to cut a 5 meter ledstrip in smaller parts
ESP Controlled ledstrip - Control a single color ledstrip from a webpage
Ledstrip Controlling part 1 - How to power and control a RGB ledstrip
Ledstrip Controlling part 2 - How to control a ledstrip with your Android Phone and an Attiny85 over Bluetooth
Voice Command - Control a ledstrip or lamps etc by giving voice commands


Lua

ESP Controlled ledstrip - Control a single color ledstrip from a webpage
Getting the right time - Use Lua to get the right time for your ESP
Lua and Neopixels - an easy way to control Neopixels from the Lua language
Neopixels intro
Rain Sensor - Get an alert on a webpage when it rains
Relay Server  - Control your lights over the internet AND manual


Micro:bit

Micro:bit introduction - here comes the BBC MCU for education


Neopixels / WS2812

Back to Basic - introduction to ESP-Basic
Lua and Neopixels - an easy way to control Neopixels from the Lua language
Neopixels intro
NUW - The clock that displays time in resistor color codes


Power Supply

9 Volts power plug - Make your own 9Volts power plug for an AC-adapter
Check your 5 volt power supply  - Check! Check! Check! before your project fries
LM 317 - How to make any voltage you need
Powering your project - Using a double USB poweroutlet
Scavenging on the flea market - get your power supplies for next to nothing
Watch your cables - cables can give power problems

Python

Learn Python - Book revieuw: Sams Teach yourself Python in 24 hour
Visible feedback for the Raspberry Home Assistant - Attach a led that shows activity


Raspberry Pi

Learn Python - Book revieuw: Sams Teach yourself Python in 24 hour
Make your own IP cam with a Raspberry - look at your mancave from anywhere in the world
Visible feedback for the Raspberry Home Assistant - Attach a led that shows activity

Watch your cables - cables can give power problems

Thingspeak

Burglars invited - Be carefull what you publisch on public sites

Thingspeak - A cloud based IOT service. Send thermometer values to the cloud

Various

Beer and Pizza night - A great evening at Reprap World the 3D printer shop
Check your 5 volt power supply  - Check! Check! Check! before your project fries
Custom switches - Make a mold for your custom switches with Oogoo
Oogoo and Obleck - Non newtonian matter is fun to play with
The Great Dictator 1 - Use your voice to dictate stories in your browser
Urban farming and Technology - A lecture I gave in 2017