From 2e38bb8d1001cfcb43db9dbd057617ca79b144e1 Mon Sep 17 00:00:00 2001 From: Sayanee Date: Thu, 11 Apr 2024 15:19:11 +0800 Subject: [PATCH] docs (power): remove HTML and convert content to only markdown --- _includes | 2 +- _layouts | 2 +- power.md | 145 ++++++++++++++++-------------------------------------- 3 files changed, 45 insertions(+), 104 deletions(-) diff --git a/_includes b/_includes index 782265b..b264fcc 160000 --- a/_includes +++ b/_includes @@ -1 +1 @@ -Subproject commit 782265be6959bc31be4e03b37e4e4ec5cdd46a41 +Subproject commit b264fccb9b2c9a6f6a106062b07c654409129ce1 diff --git a/_layouts b/_layouts index 871e0da..13b758a 160000 --- a/_layouts +++ b/_layouts @@ -1 +1 @@ -Subproject commit 871e0da74a313777b7e1cc14ad167a19c84250d0 +Subproject commit 13b758a0dc710e05cb0604582ac506a06a68bc61 diff --git a/power.md b/power.md index e3fc0fb..1e0b92a 100644 --- a/power.md +++ b/power.md @@ -15,107 +15,48 @@ power: charging_instruction: Plug in the USB cable to charge. Yellow LED will be on while it is charging. --- -
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Power consumption of main components

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Chip #ChipOperating VoltageAdvertising mode (152.5ms)Transmission mode
nRF52832BLE + MCU1.7v to 3.3v60 µA216 µA
VEML6075UV Sensor1.7V to 3.6V480uA at 1.8V
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+# Power consumption of main components -
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Power calculation

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Advertising Mode

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From online power profiler

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  • Chip nRF52832
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  • Voltage 3.3V
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  • Radio TX Power 0dBm
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  • Role: Advertising (Connectable)
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  • TX payload (Byte)0 byte
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  • Advertising interval (ms): 152.5 ms as recommended in Apple developer guide
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  • 120mAh battery capacity
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Transmission Mode

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From online power profiler

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  • Voltage 3.3V
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  • Role: Connection (peripheral)
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  • 3 byte TX payload
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  • Connection interval (ms): 1000 ms
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Summary

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  • If transmitting 100% of the time: ~781 days
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  • If advertising 100% of the time: ~83 days
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  • if CPU running 100% of the time: ~12.5 hours
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+| Chip # | Chip | Operating Voltage | Advertising mode (`152.5ms`) | Transmission mode | +|--------|------|------------------|-----------------------------|-------------------| +| [nRF52832](https://www.adafruit.com/product/3406) | BLE + MCU | `1.7v` to `3.3v` | `60 µA` | `216 µA` | +| [VEML6075](https://www.vishay.com/docs/84304/veml6075.pdf) | UV Sensor | `1.7V` to `3.6V` | | `480uA` at `1.8V` | -
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Other potential batteries

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NameCapacityVoltageDimensionBuy from
CR2450120mAh3.6V4cm x 2cmx 2cmAliExpress
LiPo380mAh3.7V37mm x 19mm x 8mmAliExpress
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+# Power calculation + +## Advertising Mode + +From [online power profiler](https://devzone.nordicsemi.com/nordic/power) + +- Chip `nRF52832` +- Voltage `3.3V` +- Radio TX Power `0dBm` +- Role: Advertising (Connectable) +- TX payload (Byte) `0 byte` +- Advertising interval (ms): `152.5 ms` as recommended in [Apple developer guide](https://developer.apple.com/library/archive/qa/qa1931/_index.html) +- `120mAh` battery capacity + +![Online profiler]({{site.url}}/images/online-profiler-advertising.png) + +## Transmission Mode +From [online power profiler](https://devzone.nordicsemi.com/nordic/power) + +- Voltage `3.3V` +- Role: Connection (peripheral) +- `3 byte` TX payload +- Connection interval (ms): `1000 ms` + +![Online profiler]({{site.url}}/images/online-profiler-peripheral.png) + +## Summary + +- If transmitting 100% of the time: `~781 days` +- If advertising 100% of the time: `~83 days` +- If CPU running 100% of the time: `~12.5 hours` + +## Other potential batteries + +| Name | Capacity | Voltage | Dimension | Buy from | +|------|----------|---------|-----------|----------| +| CR2450 | `120mAh` | `3.6V` | `4cm` x `2cm` x `2cm` | [AliExpress](https://www.aliexpress.com/item/Rainpro-2PCS-LOT-LIR2450-horizontal-welding-foot-battery-3-6V-rechargeable-coin-cell-battery-charging-2450/32853897751.html?spm=2114.search0104.3.8.189ed9beMuzTzf&ws_ab_test=searchweb0_0,searchweb201602_6_10065_10068_319_10059_10884_317_10887_10696_321_322_10084_453_10083_454_10103_10618_10307_537_536,searchweb201603_52,ppcSwitch_0&algo_expid=48ce131f-0f3b-433f-9bb9-f5874e08c121-1&algo_pvid=48ce131f-0f3b-433f-9bb9-f5874e08c121&transAbTest=ae803_4) | +| LiPo | `380mAh` | `3.7V` | `37mm` x `19mm` x `8mm` | [AliExpress](https://www.aliexpress.com/item/Limskey-3-7V-380mAh-25C-Lipo-Battery-for-For-Hubsan-X4-H107-H107L-H107D-JD385-JD388/32846516934.html?spm=2114.search0103.3.69.12983204ovX5ra&ws_ab_test=searchweb0_0,searchweb201602_6_10065_10068_319_10059_10884_317_10887_10696_321_322_10084_453_10083_454_10103_10618_10307_537_536,searchweb201603_52,ppcSwitch_0&algo_expid=067ab389-d2ff-4f23-98e8-7aef2b13aeef-9&algo_pvid=067ab389-d2ff-4f23-98e8-7aef2b13aeef&transAbTest=ae803_4) |