This page (revision-18) was last changed on 2019-12-23 11:17 by Murray Altheim

This page was created on 2019-12-23 04:14 by Murray Altheim

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Power Supplies...nobody

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At line 52 removed 2 lines
Some power supplies (what we might call "old school") use a [transformer|https://en.wikipedia.org/wiki/Transformer] to convert the wall voltage (110 volts in the Canada, the US and Japan, 200-240 volts in most of the rest of the world) down to the low voltage (5-12 volts) used for our robot. The more power we needed, the larger the transformer. The amount of power that could be delivered was almost a direct relation to the size the transformer. Transformers can get big and heavy.
At line 55 changed one line
My dad used to really like trying to guess what was in his Christmas gifts. I remember one Christmas where as a joke gave him an extremely heavy transformer from a [Bell UH-1 Iroquois helicopter|https://en.wikipedia.org/wiki/Bell_UH-1_Iroquois] that I'd bought at a local surplus store (I wanted the chassis it was in, or some such reason). I'd put his real gift under the transformer and there were some laughs, ha ha. He then picked up the transformer and dropped it into what he thought was an empty box full of wrapping paper, except it wasn't empty. It contained the Rotal Albert tea cup I'd just given my mom. Ugh.
My dad used to really like trying to guess what was in his Christmas gifts. I remember one Christmas where as a joke I gave him an extremely heavy transformer from a [Bell UH-1 Iroquois helicopter|https://en.wikipedia.org/wiki/Bell_UH-1_Iroquois] that I'd bought at a local surplus store (I wanted the chassis it was in, or some such reason). I'd put his real gift under the transformer and there were some laughs, ha ha. He then picked up the transformer and dropped it into what he thought was an empty box full of wrapping paper, except it wasn't empty. It contained the Rotal Albert tea cup I'd just given my mom. Ugh.
At line 56 added 2 lines
Some power supplies (what we might call "old school") use a [transformer|https://en.wikipedia.org/wiki/Transformer] to convert the wall voltage (110 volts in the Canada, the US and Japan, 200-240 volts in most of the rest of the world) down to the low voltage (5-12 volts) used for our robot. The more power we needed, the larger the transformer. The amount of power that could be delivered was almost a direct relation to the size the transformer. Transformers can get big and heavy.