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Datei
Raumklima_SCD41_V3.py
to show sensor data Hardware: ESP32 (sensor chip temperature) DS18B20 temperature sensor Sensirion SCD41 CO2 sensor MicroPython v1.26.1 on 2025-09-11; Generic ESP32 module with ESP32 External libraries: https://microdot.readthedocs.io/en/latest/intro.html https://github.com/peter-l5/MicroPython_SCD4X
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PDF
CD_DS_SCD4x_Datasheet_D1.pdf
reel 3.000.496 SCD40-D-R2 SCD40 CO2 sensor SMD component as reel, I2C 600 sensors per reel 3.000.521 SCD41-D-R1 SCD41 CO2 sensor SMD component as reel, I2C 60 sensors per reel 3.000.960 SCD41-D-R2 SCD41 CO2 sensor SMD component as reel, I2C 600 sensors per reel 3.000.961 SCD43-D-R2 SCD43 CO2 sensor SMD component as reel, I2C 600 sensors per reel 3.001.241 SEK-SCD41-Sensor SEK-SCD41-Sensor set; SCD41 on development 1 3.000.455 board with cables SEK-SCD43-Sensor SEK-SCD43-Sensor set; SCD43 on development 1 3.001.244 board with cables SEK-SensorBridge Sensor Bridge
in „Review: USB→LT1763-3.3 V + SCD41-D-R2 (I²C), Funduino (ATMEGA2560)“ · Mikrocontroller und Digitale Elektronik ·
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Datei
RaumklimaServer.py
to show sensor data Hardware: ESP32 (sensor chip temperature) DS18B20 temperature sensor Sensirion SCD41 CO2 sensor MicroPython v1.26.1 on 2025-09-11; Generic ESP32 module with ESP32 External libraries: https://microdot.readthedocs.io/en/latest/intro.html https://github.com/peter-l5/MicroPython_SCD4X
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Datei
WetterstationServer.py
to show sensor data Hardware: ESP32 (sensor chip temperature) DS18B20 temperature sensor Sensirion SCD41 CO2 sensor Bosch BME280 MicroPython v1.26.1 on 2025-09-11; Generic ESP32 module with ESP32 External libraries: https://microdot.readthedocs.io/en/latest/intro.html https://github.com/peter-l5/MicroPython_SCD4X
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Datei
WetterstationServer.py
to show sensor data Hardware: ESP32 (sensor chip temperature) DS18B20 temperature sensor Sensirion SCD41 CO2 sensor Bosch BME280 MicroPython v1.26.1 on 2025-09-11; Generic ESP32 module with ESP32 External libraries: https://microdot.readthedocs.io/en/latest/intro.html https://github.com/peter-l5/MicroPython_SCD4X
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Datenblatt-Ausschnitt zur Traceability und Identifikation von SCD4x Sensoren
marking on the sidewall of the sensor cap. The laser marking contains the product variant (i.e., SCD40, SCD41 or SCD43) and the product serial number within a data matrix (Figure 6). SCD41 Figure 6: Illustration of a laser marking with product type and data matrix on the sidewall of the sensor cap.
in „Fake SCD40/SCD4x?“ · Mikrocontroller und Digitale Elektronik · · Screenshots
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Datei
index.html
ESP32: <span id="esp32">--</span> <span class="temp1">°C</span></div> <div class="reading temp3">SCD41 T: <span id="scd_t">--</span> <span class="temp3">°C</span></div> <div class="reading temp2">DS18B20: <span id="ds18">--</span> <span class="temp2">°C</span></div> <div class="reading temp4
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Webseiten-Screenshot einer Raumklimamessung
Raumklima ESP32: 37.2 C DS18B20: 0.4 C SCD41 T: 2 C CO2: 474 ppm RH: 78.2 %
in „Micropython Wetterstation“ · Projekte & Code · · Screenshots
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Webseiten-Screenshot einer Raumklimamessung
Raumklima ESP32: 41.1 C DS18B20: 20.4 C SCD41 T: 21 C CO2: 883 ppm RH: 45.3 % Time: 08:05:25
in „Micropython Wetterstation“ · Projekte & Code · · Screenshots
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Webseite mit Raumklima-Messwerten
Raumklima ESP32: 41.1 C DS18B20: 20.4 C SCD41 T: 21 C CO2: 883 ppm RH: 45.3 % Time: 08:05:25
in „Micropython Wetterstation“ · Projekte & Code · · Screenshots
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Webseiten-Screenshot mit Sensordaten zur Raumklima-Überwachung
Raumklima ESP32: 41.7 °C DS18B20: 20.9 °C SCD41 T: 22.6 °C BME P: 21.81C BME_T: 975.84hPa BME_RH: 0.00% CO2: 1129 RH: 38.6 % Time: 17:48:20
in „Micropython Wetterstation“ · Projekte & Code · · Screenshots
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Anzeige von Raumklima-Messwerten und Temperaturverlauf
Raumklima BME P: 974.62hPa BME_RH: 0.00% CO2: 1077 ppm RH: 40.5 % Time: 09:25:34 ESP32: 41.7 °C SCD41 T: 21.1 °C DS18B20: 20.5 °C BME_T: 21.67C Temperature ( C) 50 C 46 C 42 C 38 C 34 C 30 C 26 C 22 C 18 C 14 C 10 C 09:21 09:21 09:22 09:23 09:24 09:25 Time
in „Micropython Wetterstation“ · Projekte & Code · · Screenshots
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Schaltplan eines CO2-Sensors mit LDO-Regler
, VCC, D-, GND, VCCExt, Pins (Arduino), P1, W250B-3.60-8P, VCCInt, SCL, SDA, GND, CO2 Sensor, U1, SCD41-D-R2, VCCInt, R1, 10k, R2, 10k, VDD, SCL, SDA, DNC, DNC, DNC, GND, GND, TITLE: CO2 Sensor, REV: 1.0, Company: Your Company, EasyEDA, Date: 2025-09-13, Drawn By:
in „Review: USB→LT1763-3.3 V + SCD41-D-R2 (I²C), Funduino (ATMEGA2560)“ · Mikrocontroller und Digitale Elektronik · · Schaltpläne
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Datei
index.html
DS18B20: <span id="ds18">--</span> <span class="temp">°C</span></div> <div class="reading temp">SCD41 T: <span id="scd_t">--</span> <span class="temp">°C</span></div> <div class="co2">CO2: <span id="co2">-- ppm</span></div> <div class="reading">RH: <span id="rh">-- %</span></div> <div class="time-format
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Datei
index.html
DS18B20: <span id="ds18">--</span> <span class="temp">°C</span></div> <div class="reading temp">SCD41 T: <span id="scd_t">--</span> <span class="temp">°C</span></div> <div class="reading temp">BME P: <span id="bme_p">--</span> </div> <div class="reading temp">BME_T: <span id="bme_t">--</span> <