KiCAD project of Arduinoish board with relay and ESP-01 on it.
Disclaimer - I hereby reject any responsibility for usage of this device. Seriously, guys, don't plug any random schematic form Internet to the grid without being trained electrician.
On board: ESP-01 4 relays 6 channel ADC 2 PWM channels LEDS and microswitches
Not on a board: 5V 1A power supply (I will use obsolete phone charger, that comes dime a dozen)