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I found a cure for the μBITX T/R click that *WORKS* ! The scheme by VA7AT reduces it down to near nuthin'. I documented it on ND6T.com. ( http://www.nd6t.com/uBITX/TR%20Click%20Fix.htm ) Thanks

If your very sure which pins are what on the regulator, which should be fairly easy to determine, then cut the output. Now, the output should have a capacitor across it to be stable, but, for a quick

I ordered Jan 4, just got my ship notification today! wrote:

It would appear you are looking at the operating winding on a relay. It would look like a coil of wire around a piece of iron that would pull the relay springs to move through magnetism. The diode

There's a photo at the end of that webpage where I can just barely read a "CX" logo on their problematic TDA2822. So WX and CX are perhaps best avoided? I have no idea who "CX" is, though possible

Dave, It depends on how the radio is designed. If the radio uses a well-designed mono jack, one with a switched tip lead, it probably won't hurt anything. When I say switched, with no plug inserted

Vince, You missed the point. If you wire the tda2822 to both the tip and the ring and then plug in a mono headphone you *will*, in almost every case, short the output of the tda2822 to ground via the

You can buy cheap adapters that do the same thing. Connect both headset leads to the tip. Here's a gold plated

Also check that your ground connection to the Raduino is correct. If your GND to the Raduino is OK, but you're still getting only 0.04V out of the regulator, then - either the regulator output is

Input is 12.58 volts output is 0.04 volts. Checked multiple times. It seems it might have gone out? 73, Jamie - KW4XR

So two reports of "WX" TDA2822M's going up in smoke. I'm very very curious if all blown chips turn out to be WX branded, and none are FCI. ? There is a website for?

Could you measure each of the pins on the regulator ? Carefully. wrote: -- Michael Shreeve N6GRG 15901 Cloverdale Road Anderson, CA 96007 530-410-8678 "Don't worry about a thing, 'Cause every

On 20v range I'm getting 0.04 volts

I printed knobs for my bitx40. The long shafts make the knobs thick. Thought about cutting the shafts down but didn't want to chance damaging the pots. ng the shafts down but don't want to

I took your tip and bought several of these boxes by mail. There are different models. One has four nice BNC connectors. The other type has some four pin devices with a dot near one of the pins near

Mine failed immediately after apply power to the board after wiring up the power connector. Nothing else was connected. There was a loud crack, and a puff of magic smoke, then silence. Photos? of

When you connect the Raduino to your PC, it will get +5V power supply via the USB cable. This voltage goes to the input of the 7805 voltage regulator. What voltage do you see on the regulator output?

Yes it lights up but no text. Also the power and light under the display comes on. But not when attached to the bitx. Jamie - KW4XR

Thanks John I will be there KE0PVO Dave

Does LCD work when on USB power? Mike