this experiment did only yield limited success. photo of an eye seen trough the slit opening and the according spectroscopic view on the right side.…
see this instructables article for more info on how to revive an old Polaroid instant camera
monitor arm has multiple joints and can be moved to the optimal distance and orientation as well as swiveled around. overhead monitor for easier computer…
3x DS18B20 temperature sensors in different places. ESP controller board with a single WS2811 RGB led to indicate its status. galvanized connection to mains /…
This project utilized the Universal-Arduino-Telegram-Bot Library by witnessmenow
ESP8266, DHT22 (temperature & humidity), MAX4009 (luminance). Supply Voltage: approx 3.3V – 5.4V (eg, LI-PO, USB)
carbonfiber heating wire. there are 3x DS18B20 i2c temperature sensors. one for each heatingloop. driver board with 3 channels, IRF1404 and Rds(on) = 0.004 Ohm…
this project is based on the python-telegram-bot on github.
An idle HDD can be unmounted and put to sleep, but (eg.) debian still wakes the disk from time to time. to prevent that we…
this is a ESP8266 Nodemcu lolin v3. i plan on using a wemos d1 mini instead for future projects. when powering esp boards over usb,…