Main Chip: ESP32-C3.

Power Energy Meter Chip: ADE7953 I2C:

Datasheet:

• ADE7953.pdf

Official Product Link

• ADE7953:
  • I2C:
    • Speed: 400KHz
    • SCL Pin: GPIO 6
    • SDA Pin: GPIO 7
  • IRQ Pin: Unknown
• Relay:
  • I-O: GPIO 0
• Input:
  • Built-in Button: GPIO 1
• Status LED: GPIO 9
• Temperature: GPIO 3 (ADC)

OTA and wired flash.

• Built-in Button: Setup Mode holding it for 8 seconds.
• Power Metering.
• Internal temperature.

{"c":{"io":[[[0,9],2],[[1],6,1],[[3],10,0,3]],
"l":9,"b":[[1,5]],"ic":[[6,7,400]]},
"a":[{"0":{"r":[[0]]},"1":{"r":[[0,1]]},"b":[[1]],"es":[
{"t":75,"cd":2,"n":2,"dt":[0,56],"vf":0.0000303,"cf":0.0000117,"pf":0.006},
{"t":75,"n":3,"dt":[0,56],"vf":0.0000303,"cf":0.0000117,"pf":0.006},
{"t":22,"h":2,"n":5,"g":3,"j":10,"y0":[{"v":75,"r":1,"0":{"m":[[1]]}}]}]}]}

• flash_id

Detecting chip type... ESP32-C3
Chip is ESP32-C3 (QFN32) (revision v0.4)
Features: WiFi, BLE, Embedded Flash 8MB (GD)
Crystal is 40MHz
MAC: e4:b3:23:35:d6:f0
Uploading stub...
Running stub...
Stub running...
Manufacturer: c8
Device: 4017
Detected flash size: 8MB