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Hi, I've been running numerous transient simulations of diode and bjt circuits using gnucsator, qucsator and sometimes ngspice. The gnucsator option has been very helpful. In most cases, gnucsator s…
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### CircuitPython version
```python
Adafruit CircuitPython 7.0.0 on 2021-09-20; Raspberry Pi Pico with rp2040
Board ID:raspberry_pi_pico
boot.py output:
Write to Flash : False
Write to SD Card…
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I'm using TK as an RF gateway to UHF CB (477MHz FM) in Australia. The busy LED (COR/COS/Carrier Detection) is used to drive the RF transmitter on.
Version: 1.52.02
Issue: When a mumble user/cli…
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i use a esp8266 nodemcu board with a 2N3904 NPN connected to a small speaker 7Ohm 1Watt, it works but i have problems with overheating.
I did the wiring according to your instructions.
What could …
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Hi, this issue is reproducible and happens consistently. It is using the NoDAC output, as I have no DAC to test it out on that Output option.
My setup is:
ESP-12-E
v1.4 Open Source
160MHz
T…
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hi
Schematic for put more led iR thanks
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This is a "rare" case that i detect on my system.
On this case im using a **DSC PC1832** alarm panel and **DSC UA521** RF receptor.
My system got 30 wireless zones, 27 RF reed switch, 3 wireless i…
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Hi,
I saw the option to enter deep sleep for a predefined amount of time ( ESP.deepSleep)
Is it possible to wake up during that time with an external interrupt?
If so, how?
Thanks,
Shay
##
Want …
shayo updated
4 years ago
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Sonar Echo pins need to be shifted to 3.3V logic with AO3400
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Emiter and collector would be changed in assembly schema. Close to IRF 9014.