⚠ Switch to EXCALIDRAW VIEW in the MORE OPTIONS menu of this document. ⚠ You can decompress Drawing data with the command palette: ‘Decompress current Excalidraw file’. For more info check in plugin settings under ‘Saving’
Excalidraw Data
Text Elements
Patient mobile phone
SpO2 + Heart rate sensor: MAX30102 1.8V - for board 3.3V - for LEDs
Caretaker mobile phone
Microcontroller: Adafruit Feather nRF52840 Sense
- microphone
- motion sensor
- low power bluetooth
- battery charging
rkjc
ICSF
RESET
D13
REF
A0
A1
A2
A3
A4
A5
A6
A7
RST
VIN
3V3
5V
GND
SDA
SCL
~D11
D12
~D10
~D9
D8
D7
~D6
~D5
D4
~D3
D2
RST
RX
TX
GND
0
1
mini usb
ARDUINO
NANO
Microcontroller: Adafruit Feather nRF52840 Sense
- microphone
- motion sensor
- low power bluetooth
- battery charging
rkjc
ICSF
RESET
D13
REF
A0
A1
A2
A3
A4
A5
A6
A7
RST
VIN
3V3
5V
GND
SDA
SCL
~D11
D12
~D10
~D9
D8
D7
~D6
~D5
D4
~D3
D2
RST
RX
TX
GND
0
1
mini usb
ARDUINO
NANO
Conductive rubber sheet 120Ω/cm 50-70% longer max
Potential divider
I2C Comm
BLE
AsthmaAlly App
Power supply: compact 350mAh LiPo Battery
android
Hand mounted system
Chest strapped system
Mobile devices
Element Links
uKye7aBf: MAX30102 - SpO2 & HeartRate
VbFlINi8: Adafruit Feather nRF52840 Sense
BIoBxPoC: Adafruit Feather nRF52840 Sense
2ei8uvgN: Adafruit Feather nRF52840 Sense
Kk9QzLYZ: Adafruit Conductive Rubber Sheet