This is the repository to my hardware of the motorized Air Raid Sirene model from Thingiverse by the user DarthBane.
The schematic is pretty simple. The ESP8266 is powered by the same power supply (power supply should be ratet with 12V/8A) as the ESC/BEC by using the LM7805 positive-voltage regulator. The ESC ist controlled by the WEMOS D1 mini via PWM with the Arduino servo Library.
There is no PCB desgin because i just used a small perfboard.
Please leave a good gap of minimum 100 mil or more between the 12V and GND traces! If the motor is at high speeds it can draw up to 7 Amps! Be careful and don't use small jumper Wires!!! You are using a large power supply!
To hide the PCB and also to hold the Air Raid at the ceiling, i designed a small holder. It replaces the original handle. To install the holder i replaced the motor M3 6mm screws with longer M3 20mm screws and also uses the original small pins from the handle for stabilisations.
After flashing the WEMOS D1 mini and after powering it up, the µC opens a AccessPoint.
IP: 192.168.4.1 SSID: AIR_RAID PW: BBK-Raid-v01
The webinterface is pretty simple and self explaining.
Twitter: @Gurkengewuerz