- zh_network ESP-NOW based mesh network.
- zh_espnow ESP-NOW interface.
- zh_syslog Syslog server UDP client.
- zh_ota_server Simple OTA server.
- zh_encoder Rotary encoder.
- zh_pcf8574 PCF8574(A) I2C 8-bit I/O expander.
- zh_pcf8575 PCF8575 16-bit I/O expander.
- zh_pca9548a PCA9548A 8-channel I2C switch.
- zh_cd74hc4067 CD74HC4067 16-channel analog multiplexer/demultiplexer.
- zh_ac_dimmer AC dimmer 115V/400Hz.
- zh_inclinometer Inclinometer (via optical rotary encoder).
- zh_tachometer Tachometer (via rotary optical encoder).
- zh_mpr121 MPR121 touch sensor.
- zh_ttp229 TTP229 touch pad (via RMT driver).
- zh_tm1637 TM1637 led drive (via RMT driver).
- zh_aht AHT family humidity & temperature sensor.
- zh_dht DHT11/DHT22/AM2302/AM2320 humidity & temperature sensor.
- zh_bh1750 BH1750 ambient light sensor.
- zh_onewire 1-Wire interface.
- zh_ds18b20 DS18B20 temperature sensor.
- zh_1602a LCD module 1602A.
- zh_160x_i2c LCD module 1602(4)A via I2C connection (PCF8574).