Here is some advice that may save some frustrating moments. When wiring R21 and R22 stand the resistors on end with the resistor body in the R21, R22 resistor holes closest to the centre of the board. Bend the long top lead so that it may be soldered into the correct hole near C9. If at a later date you need to change polarity it is easy to snip the long resistor tail and bend it out of the way. A new wire can then be soldered into the alternate hole and soldered to the remaining tail of the resistor. Alternatively resistors R21 and R22 could be left off the board entirely and wired externally. Board photos on this site do not show these suggestions.
NHRC has been delivering state-of-the-art, powerful, yet inexpensive repeater controller solutions since We design and build for the amateur radio and land mobile radio sectors. Our products are professionally engineered from the ground up for simplicity and reliability. We offer a complete line of repeater controllers and related accessories. Our controllers range from the NHRC
Friday, June 10th, a newly packaged Raspberry Pi based repeater controller was installed on the This new package makes listening to the repeater a bit more pleasant. Strong signals will have little or no noise burst after they unkey, but the squelch will automatically slow down and loosen for weaker signals to prevent chopping their audio. Along with the new squelch circuit, the new controller package also has the ability to monitor voltages and temperatures at the repeater site and report those up to a computer that tracks the values over time. Various circuits are connected together inside the controller cabinet, including click the links for more information on the components :.
Read our Getting Started Guide to learn what you'll need and the basics to get your OpenRepeater controller up and running and on the air. Part of what we feel is going to make the OpenRepeater Project great is community. Join the discussion in the forums and lend a helping hand.