Measurement of flow and return temperatures of a heating system with a SONOFF device and Home Assistant. I used Sonoff because they are all in one with power supply and a box. But before we use them, we should know some important details about them. The device will not boot into its regular …
Monitoring flow & return temperature’s heat pump Read more »
ESP8266 Peripherals The pins highlighted in green are OK to use. The ones highlighted in yellow are OK to use, but you need to pay attention because they may have unexpected behavior mainly at boot. The pins highlighted in red are not recommended to use as inputs or outputs. Label GPIOx Input …
Home Assistant Configuration In the first part I described how I installed Home Assistant on the host Fujitsu S920. Well, here I will continue with the configuration of the home assistant. (Started on 12 Dec. 2022) Set Up Tuya Integration in Home Assistant Before HA configuring, you should go to the Tuya …
There is a small problem with this motion detector and that is that the detector is not sensitive to light. Usually modules are light sensitive and they can distinguish between day and night. Fortunately, pin 9 of BISS0001 is reserved for this case. It is designed so that when the input voltage Vc …
LED Ceiling Lamp with Microwave Radar Sensor Module AC 220V Product model: YX-3012 Work voltage: AC 180V-240V The sensor works very well, but unfortunately we cannot change the delay time of the light. Don’t worry, we can modify the sensor simply by adding an additional potentiometer to the board. You can adjust …
DFplayer module is quite small and looks good for little project. The module read only audios in MP3 and WAV formats and all audio files must be placed under /mp3 folder. It’s required that files are named like 0001.mp3, 0002.mp3…..0255.mp3 (4 letters not 2 or 3 letters). The file names can have …
The IR signal is a series of IR light pulses which are modulate with a high frequency known as the carrier frequency. The carrier frequency used by most transmitters is 38 kHz. The IR receiver has a bandpass and filtered 38 kHz than demodulates the IR light signal, pre-amplifier and converts it …