This esp32 OLED screen uses i2C to display , if you want to use another I2C sensor with OLED display you must find sensors address and OLED’s adress for I2C, this code will help you, it’s working code, to find i2c sensors adress use google, for exenple, to find BMP180 search bmp180 i2c adress keywords, for ESP32-C3 Mini OLED’s i2C adress esp32-c3 oled display i2c adress keyword 
most important lines are, address: 0x77 and address: 0x3C others are standart settings, and you must be connect BMP180’s SDA to GPIO5, SCL to GPIO6, oled display olso connected on board with the same pins
time:
- platform: sntp
id: sntp_time
timezone: "<+03>-3"
i2c:
- id: bus_i2c
sda: GPIO5
scl: GPIO6
scan: true
frequency: 800kHz
sensor:
- platform: bmp085
id: bmp_sens
i2c_id: bus_i2c
address: 0x77
temperature:
name: "Temperature"
device_class: temperature
accuracy_decimals: 0
id: bmp_temp
icon: mdi:home-thermometer-outline
pressure:
name: "Pressure"
icon: mdi:gauge
device_class: atmospheric_pressure
accuracy_decimals: 0
id: atm_press
- platform: template
name: "Altitude"
lambda: |-
return ( 44330 * (1.0 - pow(id(atm_press).state / 1016.0, 0.1903) ) );
unit_of_measurement: "m"
accuracy_decimals: 0
id: sea_levell_alt
icon: mdi:altimeter
device_class: distance
- platform: wifi_signal
name: "WiFi strength"
filters:
- lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
- sliding_window_moving_average:
window_size: 15
send_every: 1
unit_of_measurement: " %"
entity_category: diagnostic
device_class: signal_strength
icon: mdi:wifi
update_interval: 1s
id: wifi_strength
display:
- platform: ssd1306_i2c
i2c_id: bus_i2c
address: 0x3C
id: ssd1306_display
model: "SSD1306 72x40"
rotation: 0
contrast: 90%
update_interval: 1s
lambda: |-
if (id(wifi_strength).state >0){
if (id(sntp_time).now().second % 5 == 0) {
it.print(15, 0, id(font2), "TIME");
it.strftime(4, 8, id(font1), "%H.%M", id(sntp_time).now());
it.strftime(10, 27, id(font2), "%d/%m/%y",id(sntp_time).now());
}
else
{
char array[5];
sprintf(array, "%.0f", id(bmp_temp).state);
it.print(22, 0, id(font2), "WiFi");
it.print(20, 8, id(font1), array);
}
}
font:
- file: "gfonts://Silkscreen"
id: font1
size: 20
- file: "gfonts://Roboto"
id: font2
size: 13