Hi,
I'm using this keyfob transmitter....
https://www.adafruit.com/product/1095And this receiver.....
https://www.adafruit.com/products/1096And an arduino pro mini to control some DC motors.
Everything works fine except for one teensy problem - range. The manual says the range is "up to 25 ft" (about 7m) - I need a range of about 6 meter (so this ought to be fine) but in practice at 6 meters operations is intermittent and inconsistent.
What can I do do boost range - even by a little bit?
Despite what the manual says, the transmitter seems to use a PT2260 chip. the datasheet
http://www.sc-tech.cn/PT2260.pdf say this operates between 1.8 and 10volts, and the keyfob contains two 3 volt CR2016 (6 volts in total) so was wondering if boosting this to the max of 10volts might make a difference?
Perhaps I should add some sort of short antenna? Would this help? if so where should it be connected?
Or is there a simple way of boosting the performance of the receiver?
To pre-empt any questions about why distance is so critical.... I'm using one keyfob to control two motors, and they
have to be 12 meters apart, so I need to stand mid-way in-between the pair to control them both. Currently I need to walk a couple of meters to the left to control the left-hand motor, and then a couple of meters to the right to control the right hand motor. Ideally I'd like to be able to control them both without the need to move!
Thanks