From 242fbc3df964d9c52be7c488ef6849ef20154ab2 Mon Sep 17 00:00:00 2001 From: anschrammh Date: Tue, 21 Mar 2023 19:36:01 +0100 Subject: [PATCH] Updated readme by adding pictures of the PCBs, added the next steps section + mail address --- README.md | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/README.md b/README.md index ad8c6d7..9e98dd5 100644 --- a/README.md +++ b/README.md @@ -195,6 +195,7 @@ to save power * Drivers: * [ ] Write/port the MAX30102 Heart Rate Monitor driver to the project. * [ ] Add a wake up alarm app (using the vibration motor). +* [ ] Add BLE functionality. ## Achieved power consumption recap: @@ -215,3 +216,32 @@ to save power ### The back : ![](http://82.64.196.164/images/git/rendering_back.png) + +## Update 21/03/2023 : PCBs were received from JLCPCB and this what they look like : +![](http://82.64.196.164/images/git/W800_pcb_1.png) +![](http://82.64.196.164/images/git/W800_pcb_2.png) +### **Almost everything works :** +* BMA456 ✓ +* BMP280 ✓ +* QMC5883L ✓ +* Screen + touch panel ✓ +* CH340E for chip programming ✓ +* Vibration motor ✓ +* Charge IC ✓ + +### **To sort out :** +* DW01A chip not driving the double N mosfet as expected :-( +* Round lipo battery not having the capcity advertised, will have to change it :-( + +## and once soldered : +![](http://82.64.196.164/images/git/W800_pcb_1_soldered.png) +![](http://82.64.196.164/images/git/W800_pcb_2_soldered.png) + +## Next steps : +* Finish to design and print the casing. +* Find an other battery 450 mAh or bigger would be great. +* Add BLE. +* Write and release a usable firmware for every day use. + + +## If you are interested by the project or if you just want to say hi, you can contact me at the email address : bugreport[at]laposte.net .