nothing special, I'm not a programmer, but it works for me:
https://github.com/reaper7?tab=repositories
You must remember that my drivers works with zarya i2c driver:
https://github.com/zarya/esp8266_i2c_driver
SDM Energy Meter: https://github.com/reaper7/SDM_Energy_Meter
MLEDScroll (TM1640 led matrix): https://github.com/reaper7/MLEDScroll
SDM Energy Meter: https://github.com/reaper7/SDM_Energy_Meter
MLEDScroll (TM1640 led matrix): https://github.com/reaper7/MLEDScroll