I'm trying to have a kind of daily report about testing SPF5189Z wideband amplifier for LoRa and Helium miner gateways 868MHz..This is day 2
Do you have a multimeter? Check here for discounts https://kaiweets.com?sca_ref=1585756.RPFARYWfnv
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https://www.youtube.com/watch?v=K6vQyOUaxDE
An interesting way to reuse an old ATX metallic case for accommodate a Hiland 30V 3A based linear power supply.
Tools: VIVO Ltd NW10 7RG Mini Grinder
PARKSIDE PDZ 276 A2 Rotary Tool Accessory Set
TS100 soldering pen
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https://www.youtube.com/watch?v=qYCLbuhDbaA
Part1 soldering hot air station Kraft & Dele KD852, same generic station like Yihua, WEP, Atten, or simply 858D+ rework hot air station ,with R208A fan and handle, power and temperature test,
more too go in Part2..
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https://www.youtube.com/watch?v=guCXYrVoKOY
Nooelec LaNA - Wideband Ultra Low-Noise Amplifier (LNA)20MHz-4GHz is not working anymore! What's wrong...?
It's been in use for months like a Helium miner LoRa amplifier.
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https://www.youtube.com/watch?v=d_Xp62NdBLU
I just used parts I already have around the house for improvising a solar panel stand..it's ugly but is doing the job..for a while!
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https://www.youtube.com/watch?v=OmGknuWtvIc
ASUS motherboard connected to Yamaha HS studio monitors is very noisy!
Even moving the mouse makes cracks...A simple way to get rid off most of the static, noise, cracks ..all the artifacts in your audio chain.Now sounds like professional studio gears.
00:00 intro..listen the noise
00:51 introduce The Noise!!!
03:02 Evrika !
03:30 let's find an explanation
05:47 last check before fixing
06:00 magic tape solved
08:00 testing the new sound environment
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https://www.youtube.com/watch?v=MCTzoFA2D50
External Portabele li-ion/Li-po second test, amazing resuslts! You should see this before buying any battery!
Under test HAMA Supreme 20000mAh external power battery
Check this page for info:
https://powerbank20.com/en/actual-output-capacity/
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https://www.youtube.com/watch?v=R_mHKVX18fI