esp32 - rsbox24/agenda20210701 GitHub Wiki

Part I: pilot run (kick off)

---------
esp32+lora rf module

esp32: only for prototype
--with micropython
--with lua

pros:
--fast prototyping
--easy coding 

cons:
--battery consumption 
--stable (due mcus issue)

suggestion: 
--(1) use other pure mcu as a replacement
--(2) using lora module dev (w/o extra mcu)

Part II: production (keep moving in current way)

--------------------------------
(*preferred*) 
rak7431 lora class c with modbus 

key: 12v -24v voltage for modbus

modbus
cons: 
--industrial std 
--commodity available
--command driving
--std format of data
--support read and write

Part III: how it look like

https://www.rakwireless.com/en-us/wis-gate

https://www.rakwireless.com/en-us/wis-node

fig31:

fig32:


why rak

https://www.rakwireless.com/en-us/company/wisblock-series

https://www.rakwireless.com/en-us/wis-link

https://store.rakwireless.com/collections/accessories

first, follow rak h/w components:
(complete product line and standard size)

then, replace some parts one by one and step by step

fig33:

fig34: