From Tobe's skunkworkshop

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Mike_K
Posts: 577
Joined: 16 Feb 2018, 06:35
Location: Hertfordshire

Re: From Tobe's skunkworkshop

Post by Mike_K »

Outstanding work!

It's not trivial designing PCB for 2.4GHz, but you've done it. And I love how you're testing it with your own DIY servos :D that's "icing on the cake"
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Shaun
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Joined: 15 Feb 2018, 21:49
Location: West Yorkshire

Re: From Tobe's skunkworkshop

Post by Shaun »

Brilliant pal.
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Wayne_H
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Joined: 17 Feb 2018, 05:26
Location: Temora, NSW. Australia
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Re: From Tobe's skunkworkshop

Post by Wayne_H »

Thats a wow from me too 8-)

More brilliant creativity Tobe👏👏
Cheers,

Wayne
Once a Retrobate, always a Retrobate............ ;)
Tobe
Posts: 517
Joined: 16 Feb 2018, 06:19
Location: Varberg or Stockholm, Sweden

Re: From Tobe's skunkworkshop

Post by Tobe »

....and here it gets its casing, you can see the difference despite the increased size in length and width of 1 mm it's thinner.
However it has gone from a 4ch. to 6ch. Rx
20220723_121237.jpg
20220723_121033.jpg
Tobe
Posts: 517
Joined: 16 Feb 2018, 06:19
Location: Varberg or Stockholm, Sweden

Re: From Tobe's skunkworkshop

Post by Tobe »

....got today the opportunity to make a better ground range check on this 3 which followed that each got a flight....
I have compared my nRF24L01 Rx with the one with the commercial nRF24L01 board and the range are very similar with maybe the one with the wisker antenna slightly better. The ground check with the Tx at 1 mtr. (3 feet) above ground on a table I was able to walk at least 450 mtr. (1300 feet) keeping the Rx in my hand at eye level to see the blinking LED
What you see in the picture are the 3 versions of Rx, all based on an ATmega88PA and Nordic nRF24L01+ , the sketch utilize 6016 bytes of 8192 available
Here are a few numbers I found on the web...
https://www.bigsquidrc.com/2-4-ghz-radi ... dio-range/

Radio Name Distance in Feet/ground check
Futaba 4PKS 1233 feet
Futaba 3PL 1058 feet
Traxxas TQ 2.4 with Link 840 feet
Tactic TTX-240 808 feet
Spektrum DX3S 620 feet
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20220804_135313.jpg
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