Lasse Efrayim Jespersen

November 15, 2019
Arduino Electricity Meter

Diving into IoT: Geekcraft your own Wi-Fi Switch!

Table of contents Introduction A fuzzy spec ESP32 hardware overview Loading the firmware to ESP32 Runtime! Choose your hub: home is where Heart.local is Building the […]
November 14, 2019

How to Build a Raspberry Pi-powered NAS Server – BONUS: HURRiCANE cooling system!

Table of contents 1 Introduction 1.1 Practical network-attached storage 1.2 Getting your own NAS up and running 1.2.1 Disk setup 1.2.2 Services for NAS 1.2.3 Disk […]
October 7, 2019

Arduino and Booleans: The truth is greater than zero!

Table of contents 1 Boolean logic with Arduino 1.1 Transistor logic & binary 2 Examples 2.1 Logical operators 2.2 Dual relay state machine 1 Boolean logic […]
October 4, 2019

Practical Photoresistance – A hands-on guide on How to Build an LDR Photoresistor Circuit

Table of contents 1 Practical Photoresistance 1.1 What is a LDR / photoresistor? 1.2 You will learn how to … 2 Example circuits 2.1 Analog darkness […]
September 19, 2019

How to Make a VNC Server on Raspberry Pi

VNC for work OTG, a reactive cooling system, a LED heartbeat … and a BIG capacitor What Is VNC? VNC (Virtual Network Computing) is an easy-to-use […]