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Datei
Raumklima_SCD41_V3.py
)) ds_sensors = ds.scan() print('DS18B20 sensors:', ds_sensors) gc.collect() # SCD41 I2C i2c = machine.I2C(1, scl=machine.Pin(22), sda=machine.Pin(21), freq=100000) scd = scd4x.SCD4X(i2c) print('SCD41 init...') scd.start_periodic_measurement() await asyncio.sleep(5) print('SCD41 ready
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PDF
CD_DS_SCD4x_Datasheet_D1.pdf
SMD component as reel, I2C 60 sensors per 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
in „Review: USB→LT1763-3.3 V + SCD41-D-R2 (I²C), Funduino (ATMEGA2560)“ · Mikrocontroller und Digitale Elektronik ·
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Datei
RaumklimaServer.py
(onewire.OneWire(dat)) ds_sensors = ds.scan() print('DS18B20 sensors:', ds_sensors) gc.collect() # SCD41 I2C i2c = machine.I2C(1, scl=machine.Pin(22), sda=machine.Pin(21), freq=100000) scd = scd4x.SCD4X(i2c) print('SCD41 init...') scd.start_periodic_measurement() await asyncio.sleep(5) print('SCD41 ready
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Datei
WetterstationServer.py
(onewire.OneWire(dat)) ds_sensors = ds.scan() print('DS18B20 sensors:', ds_sensors) gc.collect() # SCD41 I2C i2c = machine.I2C(1, scl=machine.Pin(22), sda=machine.Pin(21), freq=100000) scd = scd4x.SCD4X(i2c) print('SCD41 init...') scd.start_periodic_measurement() await asyncio.sleep(5) print('SCD41 ready
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Datei
WetterstationServer.py
(onewire.OneWire(dat)) ds_sensors = ds.scan() print('DS18B20 sensors:', ds_sensors) gc.collect() # SCD41 I2C i2c = machine.I2C(1, scl=machine.Pin(22), sda=machine.Pin(21), freq=100000) scd = scd4x.SCD4X(i2c) print('SCD41 init...') scd.start_periodic_measurement() await asyncio.sleep(5) print('SCD41 ready
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Datenblatt-Ausschnitt zur Traceability und Identifikation von SCD4x Sensoren
, calibration, and testing. All SCD4x sensors include a laser 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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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>
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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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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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Schaltplan eines CO2-Sensors mit LDO-Regler
copper, 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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PDF
technical.pdf
33− S43 + S34 − S44 (4.58) 2 Scd11= 1·(S 11+ S21 − S12 − S22 (4.59) 2 1 Scd12= ·(S 13+ S23 − S14 − S24 (4.60) 2 1 Scd21= 2·(S 31+ S41 − S32 − S42 (4.61) Scd22= 1·(S 33+ S43 − S34 − S44 (4.62) 2 1 Scc11= 2·(S11 + S21 + S12 + S22 (4.63