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Electrical Engineering
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hjf

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Top tag

audio

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0 posts edited
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Summary Answers Questions Tags Badges Bookmarks Bounties Reputation All actions

36 Questions

Votes Activity Newest Views
 
0
votes
0
answers
433
views

How does this transmitter work/how to tune it?

rf radio 433mhz
Feb 27 '19 at 18:54 hjf 977
 
0
votes
0
answers
57
views

Harvesting energy from solar and “USB”

solar-cell solar-energy solar-charge-controller
Apr 18 '18 at 13:02 hjf 977
 
0
votes
1
answer
151
views

Powering a ESP8266 that needs to be mains-referenced?

power-supply mains esp8266
Feb 17 '18 at 15:30 bobflux 38.2k
 
0
votes
0
answers
148
views

Using HI7190 ADC, value does not match Vref?

arduino microcontroller adc
Jan 4 '18 at 14:53 Dave Tweed 156k
 
0
votes
1
answer
3k
views

Which design for a “mic booster” circuit?

operational-amplifier audio microphone
Jan 9 '17 at 15:34 Andy aka 323k
 
-1
votes
1
answer
310
views

Grounding considerations for 2018, and DVdd/Avdd connections [closed]

analog adc ground ground-plane
Jan 2 '18 at 14:37 Neil_UK 113k
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