How full is the rain barrel?
I made a setup with an AJ-SR04M Waterproof Ultrasonic Sensor to measure how full the rain barrel is. The measurement data are distributed via mqtt […]
I made a setup with an AJ-SR04M Waterproof Ultrasonic Sensor to measure how full the rain barrel is. The measurement data are distributed via mqtt […]
Example to write multiple points to InfluxDB using Node-red
Relays are the general term for devices you turn ON and OFF like you do with ordinary lights and power relays. My home automation environment […]
This is an instruction to install Raspberry Pi OS for use with Docker. Keep in mind that things will change and steps in the instruction […]
The wired connection between an ili9341 LCD and a d1 mini MCU needed a more permanent solution. With KiCAD I designed a simple printed circuit […]
The ATtiny13a is a 8-bit AVR MCU featuring 1 KB of ISP Flash, 64B EEPROM and 64B SRAM. To program the ATtiny13a you need to […]
The TEMT6000 (datasheet) can be connected to both 3.3V or 5.0V. The signal output is pulled down with the 10K resistor connected to ground, thus […]