* Fix modbus CRC calculation Fixes https://github.com/esphome/feature-requests/issues/49#issuecomment-545045776 * Fix
* Add PZEM004T Support * Don't flush as much * Update pzem004t.cpp * Add generalized modbus * Add PZEMAC * Add PZEMDC * Fix file modes * Lint * Fix * Fix * Add check_uart_settings