jmangas / esp32rowersensor

esp32 Rower sensor

Ratio: 100 cm is 4.805 clicks. 1 click is about 20.81 cm.

https://medium.com/@gomaketeam/connecting-the-esp32-devkitc-and-aws-iot-using-mongoose-os-part-ii-88c241fef03

https://lastminuteengineers.com/esp32-deep-sleep-wakeup-sources/

Pin Diagram

https://raw.githubusercontent.com/playelek/pinout-doit-32devkitv1/master/pinoutDOIT32devkitv1.png

sudo chmod a+rw /dev/ttyUSB0

RPC

curl http://192.168.1.130/rpc/Led -d '{"a":1, "b": 2}'

https://mongoose-os.com/docs/mongoose-os/userguide/rpc.md

SerLCD

https://docs.google.com/document/d/1Jg1R2eXgXl7fwOFfjCIDnrc-6mAETJV2R8NGf-ptP0Q/edit

Control Character Command Description 0xFE 0x01 Clear Display 0x14 Move Cursor Right 1 Space 0x10 Move Cursor Left 1 Space 0x1C Scroll Right 1 Space 0x18 Scroll Left 1 Space 0x0C Turn Display On / Hide Cursor 0x08 Turn Display Off 0x0E Underline Cursor On 0x0D Blinking Cursor On 0x80 + n Set Cursor Position 0x7C 0x03 20 Characters Wide 0x04 16 Characters Wide 0x05 4 Lines 0x06 2 Lines 0x0A Set Splash Screen 0x0B Set Baud Rate to 2400 0x0C Set Baud Rate to 4800 0x0D Set Baud Rate to 9600 0x0E Set Baud Rate to 14400 0x0F Set Baud Rate to 19200 0x10 Set Baud Rate to 38400 0x80 Backlight Off* 0x9D Backlight Fully On* 0x12 Reset to 9600 Baud - send during boot-up