ESP8266-PowerMonitor

ESP8266-based power monitor (pulse counter) with ESPEasy/HomeAssistant compatiblity

No parts to buy have been specified in this project's BOM yet.

References	Qty	Description
C1	1	C 0.1uF Unpolarized capacitor 1206 3216Metric Pad1.42x1.75mm HandSolder
C2	1	CP 10uF Polarized capacitor Elec 4x5.3
C3	1	C 100nF Unpolarized capacitor 1206 3216Metric Pad1.42x1.75mm HandSolder
F1	1	Polyfuse 100mA Resettable fuse, polymeric positive temperature coefficient Fuse 1206 3216Metric Pad1.42x1.75mm HandSolder
J1	1	Conn 01x02 Male CONN PULSE Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) PinHeader 1x02 P2.54mm Vertical
J2	1	Conn 01x05 Male CONN PROG Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) PinHeader 1x05 P2.54mm Vertical
J3	1	Conn 01x02 Male CONN AC Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) TerminalBlock bornier-2 P5.08mm

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ESP8266-PowerMonitor

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Programming

Install esptool.py. Hook up a USB-to-serial adapter to the board.

Short _PROG & GND and press RESET.

Find the right firmware file (normal_ESP8266_4M1M) and run:

$ esptool.py --port /dev/cu.usbserial-14120 --baud 115200 write_flash 0 ESP_Easy_mega_20200516_normal_ESP8266_4M1M.bin