RF Remote Control Blog

Question from customer: “I received the item— 2 channel motor controller( S2PF-DC12+1CV-6-2) and installed it yesterday on my remote control lawn mower that I have made. Per the instructions for momentary control, I can get 1 motor to work at a time, either motor but only one and only in forward. I then changed, per your instructions for latch and each motor will go forward if started with remote, #1 and then #2 both will run forward only, but they cannot be controlled to go in the direction that I choose. Neither motor will reverse in any mode. I have to be able to control each motor independent of each other so I can drive the mower right and left to go the direction I want. Please advise!” Answer: You chose the 2 channel motor controller. Although the controller has two relays for two motor, two relays will work in the same mode. That is to say, your two motors only work in momentary mode or latched mode for one time. We recommend two sets of 1 channel dc motor controllers (S1

Roller shutters or rolling doors have many applications, including applications for vans, garages, kitchens, schools and warehouse. The door is raised to open it and lowered to close it. Both roller shutter and rolling doors provide protection against wind and rain. Now we recommend this kind of rf wireless magnetic sensor (W-13) to install to roller shutters or rolling doors to protect windows or gates from vandalism and burglary attempts. It will send signal to alarm main unit to alert people once it is triggered. This kit contains a sensor, a magnetic bar, a transmitter and 4 screws. It works with 100m in the open field. Alarm time of this kit is 5 seconds. With indication of low battery, you can change battery in time.   Installation : Stick part A (magnetic bar) on the edge of the roller shutter/rolling door, and stick part B on the fixed frame of roller shutter/rolling door Note: The distance of these two parts shall be less than 3-5 cm when the roller shutter/rolling d

One of our customers wants a simple wireless remote operate 4 led lamps from several room at his house. He needs 4 transmitters and a receiver which can be mounted in a designated place. The remote must work from receiver about 50m away and not line of sight through doors and walls. We suggest him choose dc 4 channel remote control system  (S4C-DC12& 4C-1). Maximum working current is 5amp each relay. Working distance of remote and receiver set is about 100m (300ft) in open field. This 4CH 6V9V/12V/24V wireless remote switch operates in toggle, momentary, latched, toggle + momentary control mode (set the mode as you like freely). Easy to install and operate. Just press slightly the button on the remote, you can control universal DC/AC electrical devices. The RF signal can pass through walls, doors and other barriers. As he said, we will set 4 transmitters and this receiver with same 8-bits code in advance so that they can work together. Operation modes: 1) Setting control mode