Circuit Project Electronic www.eleccircuit.com

---

Small RF universal remote controls Posted: 05 Feb 2013 02:58 AM PST This small Radio Control (RC) circuit is easliy. It can install with a toy train or automobile that used a voltage supply from 6-12 volts. Which the radio receivers sectors is installed in the car will turn on – off the DC motor runs by forcing the rhythm on – off of the transmitter radioInstead of using a switch turns on-off in the car. The principle of circuit on the radio receiver section. The circuit in Figure 1. is simply a receiver and controller. By the high frequency receiver that is in a Q1(2SC828 or 2SC458) act received the radio frequencies. In rang 270-300 MHz. There is a trimmer -VC1 is determiner a value of frequency receiver in conjunction with, L1 Is high-frequency coil. Figure 1. So if adjusted Trimmer will make receive frequency changes according to the value as above. Radio frequencies that incoming is converted into a low [...]

You are subscribed to email updates from Electronic projects circuits To stop receiving these emails, you may unsubscribe now.	Email delivery powered by Google
Google Inc., 20 West Kinzie, Chicago IL USA 60610