Questions tagged [humidity]
The humidity tag has no summary.
122 questions
5 votes
2 answers
763 views
Baking a Raspberry Pi Pico W before reflow soldering?
JLCPCB is trying to tell me that the RPi Pico W needs to be baked to reduce moisture before putting it through reflow soldering. They're saying that "It is moisture-sensitive according to the ...
- 103
4 votes
4 answers
1k views
What components of a computer motherboard are humidity-sensitive?
I have this computer motherboard that either fails to start or restart when the humidity is high (I have a humidity detector too). I even unplug all the monitor, keyboard and mouse, and even swap ...
- 1,093
1 vote
1 answer
88 views
Probeless Parallel Plate Capacitor for Soil Moisture Sensing
I'm doing a DIY smart planter with a moisture sensor. However, I would like to incorporate a capacitive sensor in the pot itself and would like to avoid having a PCB sticking up from the bottom of the ...
0 votes
1 answer
214 views
Very loud sound without smell: electric arc?
Short version: Extremely loud sound a few seconds after power on (400 V AC, 3 phase) in high humidity, no smell: is it arcing? Is it possible that a component exploded without smell? Long version: ...
- 9,616
6 votes
1 answer
192 views
Humidity specification - is there a typical reason for a non-zero minimum?
I'm curious about reasoning in specifying the lower limit for humidity. Looking at a common and thoroughly documented device we interact with, the Siemens S7-1500 PLC, it specifies RH = 5%-95% Is ...
- 1,859
3 votes
1 answer
1k views
Impact of rain fade on 60 GHz radio links
I'm a junior network admin at an ISP and need your help regarding point-to-point links with devices using the 60 GHz band. PROBLEM Most of them, except the ones that are at very close proximity (e.g., ...
0 votes
0 answers
73 views
PCBA corrosion voltage dependence
Let’s say a PCBA is located in a humid environment where condensation can occur in a worst-case scenario. Parts of the PCBA are low voltage circuitry and parts are high voltage, let’s say we have 3.3V ...
1 vote
1 answer
205 views
How to change temperature and humidity sensor of XH-M452 thermostat?
there is a thermostat for incubator for poultry. People generally using this model XH-M452. But this thermostat has a problem, in high humidity environment temperature and humidity sensor of XH m452 ...
- 1,255