Add-on Switch Unit for R/C Mo-dels
Provides two switches at 30 A
Published in issue 319, March 2003
This switch unit is designed to drive two extra functions in a model via a switch-channel on the transmitter. A soft start function is provided on one of the channels for turning on electrical motors smoothly. The correct control signal and the supply are derived from the receiver in the model.Radio controlled boats become a lot more interesting when, apart from the standard control functions, a few other functions can be controlled remotely. Most of you will be able to think of a few examples that would be useful. The simplest implementation is with a couple of micro switches that are actuated by a servo.
R2 = 8kΩ2
R3,R4 = 1kΩ
IC1=PIC16C712-041/SO, programmed, order code 020126-41
T1-T4= IRLR3101 (e.g., Farnell # 738-372)
PCB, order code 020126-1
Disk, hex and source code files, order code 020126-11 or Free Download
Click below to download a PDF copy of this article from Elektor magazine.
Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.