Smart Switch Momentary

DIY Smart Switch momentary 2 Gang and 2 Channel Relay SPDT

List Item

• Esp8266 (Wemos D1 Mini) / Chip SoC Esp8266
• Relay 5VDC SPDT Songle (Max Current 10A)
• Power Module Hi-Link 220VAC to 5VDC
• Resistor 1k, 10K (SMD 0805)
• Diode 1N4007 SMD
• Transistor 2n2222a
• Terminal Screw 6 Pin Hole
• Push Button (schneider momentary switch) Datasheet: https://download.schneider-electric.com/files?p_enDocType=Instruction+sheet&p_File_Name=MS18524.pdf&p_Doc_Ref=MS18524

Schematic

Layout

Top View

Bottom View

Home Assistant

Under covers in HA, use this config

mqtt:
  broker: "Your IP Broker/server"
  port: Your port MQTT
  username: "Your username"
  password: Your password

switch:
  - platform: mqtt
    name: "General Lamp"
    state_topic: "switch/bedroom1/1/state"
    command_topic: "switch/1/command"
    payload_on: "1"
    payload_off: "0"

 switch:
  - platform: mqtt
    name: "Cove Lighting"
    state_topic: "switch/bedroom1/2/state"
    command_topic: "switch/2/command"
    payload_on: "1"
    payload_off: "0"

Reference

• WiFi Manager (https://github.com/tzapu/WiFiManager)
• MQTT (https://github.com/knolleary/pubsubclient)

Update

• DIY_switch_3_gang_Ver_1_0 (Test Board Circuit)
• DIY_switch_3_gang_Ver_1_0_WM (Update Feature WifI Manager)
• DIY_switch_3_gang_Ver_1_1_WM (Update Last State Condition Dashboard Home Assistant)
• DIY_switch_3_gang_Ver_1_2_WM (Update Feature WiFi and Mqtt Config Manager)

Dimension

• L = 69,84 mm
• W = 70,87 mm