This is an open book exam, use any resources available to you during classes but do NOT discuss you answers with your fellow students, this is an asessment of YOUR electronics knowledge.
What is the current flowing through the LED when the switch is closed ?
Question 2 has two parts.
Part one – what is the maximum current draw of a NeoPixel ?
Part two – If you have 120 NeoPixels in a string, what size current power supply will you need to ensure reliable operation of the NeoPixel strip ?
What value resistor would be quired for an LED connected to a 9V supply in the diagram ? Please use a prefered value 5% resistor.
What are three hazards to manage when soldering electronics components and what can be done to reduce or remove these hazards ?
What are two hazards to manage when using a drill press and what can be done to reduce or remove these hazards ?
Why is extra low voltage (Not exceeding 50V a.c. or 120V ripple-free d.c.) prefered for WAAPA set electrics ?
Is the Arduino Uno a Microcontroller or a Microcomputer ?
Page updated 10 September 2020