In general, it works well with a 0.5m pin. Crashed it myself, did not spoil anything, and it looks like it should! Review and refinement here ? v=0oyzjlbIVwg Only for users with straight arms. With the finalization of the antenna, I launched it 45 km from the transmitter in the forest, and even in acomncrete room - it works great, better than analog receivers on all sorts of cxa1519, which only make noise. I inserted an additional battery from the samsung x300 under the speaker, the second day the flight was normal. 01/20/18: If you slightly finish the fastening of the passive radiator (its frame), shortening the racks and ears 2pcs, then under the radiator you can put a bp-6mt battery for 1AH, this will also extend the radio operation time. When installing the antenna, do not remove the capacitor at the antenna input in front of the transistor, otherwise the input transistor will be knocked out by static (in your pocket). From thecomllector of this transistor, the signal to the processor goes through the pseudo-FSS. He weakens the reception. We bridge it with a 2nF capacitor from thecomllector of the transistor to the output of the FSS capacitor, which goes to the microcircuit, and that's it, we rejoice! For reference, the smd transistor j8 at the antenna input is s9018. It is in the OE scheme, if you suddenly change it - look for the one with the highest hfe (h21e) for greater sensitivity. And therefore, if there is no access to smd, you can solder this one in the TO-92 case.
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