Things you need: Arduino Uno LM35 temperature sensor 16×2 LCD display 330Ω resistor 10kΩ trimmer jumper wires Characteristic of LM35DZ sensor: Units in ̊ Celsius
Author: AnthonyC
Using HC-SR505 PIR motion SEnsor and 2n3904 npn transistor to make motion detection night light
Circuit diagram and things you need: The HC-SR505 PIR sensor is affordable and small in size but it is very sensitive. I place it near
Android Java project — Receipt Generator using Android phone and Bluetooth thermal printer — Part 2 of 7 , Building the MainActivity
All applications(apps) consist of an Activity and a Layout. The different views or pages of an app is call Activity in Android development jargon. The
Using Arduino to interface with 16×2 LCD
Components used: Arduino Uno 16 x 2 LCD 10K potentiometer 330Ω resistor jumper wires breadboard type A / type B USB cable connected to PC
Communication Protocol — Serial Communication
Networking and electronic devices such as printer, mouse, surveillance camera, monitor or any electronics circuits need to have some kind of communication protocol to transfer
Android Java project — Receipt Generator using Android phone and Bluetooth thermal printer — Part 1 of 7 , Introduction to project
This project is using Android Java to build a bluetooth thermal printer receipt generator. Below are pics of the project. This project will be broken
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