ESPHome-Devices

Zemismart Switch TB21 TB22 TB23

Zemismart Switch TB21 TB22 TB23

Device Type: switch
Electrical Standard: global

Product image

This switch comes in three variants with 1 to 3 gangs (TB21, TB22, TB23). They all use the same config, you just drop the extra relays/inputs

Manufacturer: Zemismart

How to flash

Open

Remove the button front, no screws, just use a small pointed tool to loose the holds on the sides.

Product image

There is no need to remove the circuit from the case, but it be easily lifted up from the sides. It is just held by the pin headers connecting to the relays board below

Pins

There are pads for RX, TX, 3.3v, GND and I00 nicely marked on the back of the board. You can just insert pins without soldering. Use this image to map the right connectors.

Product image

Basic Config

The green leds are used as status light and also as backlight, when the gang is off. It can be controlled to be always off.

substitutions:
node_id: switch-living
verbose_name: "Switch Living"
switch_restore_mode: ALWAYS_OFF
switch1_name: Lamp 1
switch2_name: Lamp 2
switch3_name: Lamp 3
#####
esphome:
platform: ESP8266
board: esp01_1m
binary_sensor:
- platform: gpio
id: button1
pin:
number: GPIO16
inverted: true
on_click:
- switch.toggle: relay1
- platform: gpio
id: button2
pin:
number: GPIO5
inverted: true
mode: INPUT_PULLUP
on_click:
- switch.toggle: relay2
- platform: gpio
id: button3
pin:
number: GPIO4
inverted: true
mode: INPUT_PULLUP
on_click:
- switch.toggle: relay3
switch:
- platform: gpio
name: ${switch1_name}
pin: GPIO13
id: relay1
restore_mode: ${switch_restore_mode}
- platform: gpio
name: ${switch2_name}
pin: GPIO12
id: relay2
restore_mode: ${switch_restore_mode}
- platform: gpio
name: ${switch3_name}
pin: GPIO14
id: relay3
restore_mode: ${switch_restore_mode}
light:
- platform: status_led
id: led_green
name: ${verbose_name} Backlight
restore_mode: ALWAYS_ON
entity_category: config
pin:
number: GPIO0
inverted: true
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