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electricity_electronics [2022/09/11 04:44] – renick | electricity_electronics [2023/04/24 23:38] (current) – renick | ||
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* https:// | * https:// | ||
* https:// | * https:// | ||
+ | * batteries, capacity, maximum current explainer: https:// | ||
==== rechargeable batteries ==== | ==== rechargeable batteries ==== | ||
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===== resistors and potentiometers ===== | ===== resistors and potentiometers ===== | ||
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+ | {{: | ||
* https:// | * https:// | ||
* https:// | * https:// | ||
+ | * https:// | ||
+ | * https:// | ||
Measuring resistance: | Measuring resistance: | ||
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==== about potentiometers ==== | ==== about potentiometers ==== | ||
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+ | {{: | ||
https:// | https:// | ||
Measure your resistors and potentiometers. | Measure your resistors and potentiometers. | ||
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+ | ===== schematics tutorials ===== | ||
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+ | https:// | ||
+ | https:// | ||
===== some textbooks on electricity and circuits ===== | ===== some textbooks on electricity and circuits ===== | ||
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https:// | https:// | ||
- | ===== How do we build electronics? ===== | + | ===== breadboards ===== |
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+ | Especially see halfway down the page the section on " | ||
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+ | https:// | ||
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+ | ===== how a switch works ===== | ||
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+ | https:// | ||
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+ | ===== relays ===== | ||
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+ | * https:// | ||
+ | * https:// | ||
+ | |||
+ | ===== first oscillator: astable multivibrator ===== | ||
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+ | First one is a good tutorial on building the circuit; I followed this spec. The second one is a good explanation of why it works. | ||
+ | |||
+ | * https:// | ||
+ | * https:// | ||
+ | |||
+ | This is a good technical description of the astable multivibrator: | ||
+ | * https:// | ||
+ | |||
+ | Here's an [[led-oscillator|astable multivibrator with potentiometer to control oscillation speed]]. | ||
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+ | Use an astable vibrator to produce audio: | ||
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+ | ===== Force Sensitive Resistor ===== | ||
+ | |||
+ | A good tutorial on force-sensitive resistors: https:// | ||
+ | |||
+ | Here's [[electronics-fsr-01|a circuit which uses an FSR to control an LED.]] | ||
+ | |||
+ | ===== exercises ===== | ||
+ | |||
+ | * [[electronics-series-parallel|compare the difference between three LEDs in series and parallel]] | ||
+ | * [[electronics-switch-green-red|a circuit with a switch to alternate between green and red LEDs]] | ||
+ | |||
+ | ===== chaotic circuits ===== | ||
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+ | https:// | ||
+ | |||
+ | ===== using speakers ===== | ||
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+ | breadboard speakers: | ||
+ | |||
+ | * https:// | ||
+ | * https:// | ||
+ | |||
+ | ===== speaker design ===== | ||
+ | |||
+ | * https:// | ||
+ | |||
+ | ===== DIY synths ===== | ||
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+ | https:// | ||
+ | |||
+ | ===== universal PCBs ===== | ||
+ | |||
+ | * https:// | ||
+ | * https:// | ||
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+ | ===== first circuit to circuit board: LED with switch and 9V battery ===== | ||
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+ | [[electronics-first-circuitboard-led|Here' | ||
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+ | Once you have done that, try making [[electronics-oscillator-in-a-box|this oscillator on a circuit board and then installed in a plastic container]]. | ||
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+ | ===== designing custom arduino shields ===== | ||
+ | |||
+ | https:// | ||
+ | |||
+ | ===== using johnny five to control an arduino-based UV sensor ===== | ||
+ | |||
+ | [[electronics-uv-sensor-arduino|This code]] will allow you to display the data from a UV sensor attached to your Arduino. |