Wednesday, March 28, 2018
RS232 protocol
The RS232 protocol has been around for many years now. There are various versions and we have to be aware that non-standard applications are used often. The main aspects are the sockets and plugs and the packet sending rules.
Wednesday, March 21, 2018
Analog inputs
Most sensors are detected via a changing voltage that's fed into the analog inputs using voltage division.
There are some good introductions to analog voltage on the Arduino including this one.
And here's the Arduino tutorial about the analog pins.
And here's the Arduino tutorial about the analog pins.
Monday, March 19, 2018
Wednesday, March 14, 2018
LDR
Some good code and information here.
Light dependent resistor circuit. See http://www.ladyada.net/learn/sensors/cds.html
Light dependent resistor circuit. See http://www.ladyada.net/learn/sensors/cds.html
Monday, March 12, 2018
The maker movement
Massimo Banzi, inventor of Arduino, talks about maker revolution in TED talk.
The kits are designed for inventing
https://nicegear.co.nz/electronics-gear/sparkfun-inventors-kit-v32/
Adafruit are leaders in the Maker Movement
https://www.adafruit.com/category/17
Link to Wikipedia article on open source hardware
The maker culture explained
Dunedin's makerspace
Hackaday uses existing stuff to repurpose into something new.
Atmel, big US microprocessor company, embraces Maker Movement
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A outline of what's in the test. The test will be in our normal classroom on Tuesday 19 June at 8:00 There will be a picture of...
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All AVR devices, like our Mega328, have ports. Usually they are a group of 8 pins that send or receive binary to or from the outside world. ... -
When you compile an Arduino C file a hex file is created but is often hard to find and also usually deleted . This site explains how to fi...
