diff --git a/README.md b/README.md index f62a20b..a49b442 100644 --- a/README.md +++ b/README.md @@ -2,11 +2,11 @@ ## 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 @@ -40,8 +40,8 @@ Possible choices : * 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. @@ -122,10 +122,10 @@ Possible choices : * [ ] 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 |