Th3maz1ng/W800_Smart_Watch
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Anatole SCHRAMM 2023-01-10 13:09:06 +01:00
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README.md
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## Why this project :
I was interested in working on a bigger project with more challenges and which could be useful.
I am also quite unhappy with the smartwatches that are on the market (expensive, no access to the firmware, data collection and privacy issues), that's why I decided to try doing my own that I can fully customize. This is going to be a long adventure with a lot of discoveries along the way :).
I also wanted to test this W800 SOC more deeply and see what it could do and I think it perfectly fits the project.
I also wanted to test this W800 SOC more deeply and see what it could do and I think it is a perfect fit for the project.
So let's go !
## A Smart Watch project using the Chinese W800 SOC.
The W800 is a pretty interesting chip with impressive characteristics :
The W800 is a pretty interesting chip with impressive characteristics for its price (around 1$) :
### Core :
* 32bit XT804 CPU
* 240 Mhz frequency
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* A piezo buzzer.
## Power source :
* 1 cell lipo battery.
* A charge controller.
* 1 cell lipo 450 mAh battery.
* A charge/discharge controller.
## Screen + touch element :
* [Screen with touch](https://fr.aliexpress.com/item/1005004887834918.html?spm=a2g0o.order_list.order_list_main.22.340a5e5bX8WCb0&gatewayAdapt=glo2fra) : GC9A01 with touch panel. It uses the required 4 line Serial Interface.
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* [ ] Draw the schematic.
* [ ] Design the PCB.
## Current power consumption recap:
## Achieved power consumption recap:
(Need to work on sleep current :-( )
| Mode | Current draw | Estimated battery life (450 mAh lipo) |
|-------|--------------|---------------------------------------|
|Active |~52 mA | ~8 hour |
|Sleep |~4.5 mA | ~4 days and 4 hours |
|Standby|TODO |TODO|
| Mode | Current draw | Estimated battery life (450 mAh lipo) |
|--------------------------|--------------|---------------------------------------|
|Active (No BLE / No WiFi) |~52 mA | ~8 hour |
|Sleep |~4.5 mA | ~4 days and 4 hours |
|Standby |TODO |TODO |