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Simple temperature monitoring system. The sensor used was an NTC thermistor. The controlled temperature level is set smoothly by means of a built-in rotary potentiometer. The device is fully separated from the 230 V mains. The built-in relay can directly control devices supplied with a safe voltage (24 V). Control of mains powered circuits is possible after connecting an additional relay with a load capacity of 230 V contacts.
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This sensor shield utilizes the BME280 pressure/humidity/temperature sensor, the CCS811 air quality sensor and the APDS-9301 ambient light sensor - using each corresponding Arduino library. The shield has been equipped with two RJ11 connectors for wind and rain detection and measurement, as well as optional pins for external temperature readings and soil moisture sensor. DEV-14153
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Micro SD 16GB class 10 card with Linux Raspberry Pi OS for RPi (old Raspbian)
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Assembled clock with a very simple construction with LED display in red. AVT3132 C
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Thermostat - a set for self-assembly