ESP8266 GM counter schematic + firmware
2 years 4 months ago - 2 years 4 months ago #6566
by pablox
ESP8266 GM counter schematic + firmware was created by pablox
Hello, last week i rebuild my GM counter with Arduino NANO and W5100 ethernet module.
Now I used ESP8266 and circuit is a bit simplified.
Used tube Si22g
Schematic: schema.png (1302×1450) (pablox.net)
Link to my webpage with article GM čítač s ESP8266 a Si22g (pablox.net)
Hour logs: radmon.pablox.net
Radmon logs: Radiation monitor (radmon.org)
Now I used ESP8266 and circuit is a bit simplified.
Used tube Si22g
Schematic: schema.png (1302×1450) (pablox.net)
Link to my webpage with article GM čítač s ESP8266 a Si22g (pablox.net)
Hour logs: radmon.pablox.net
Radmon logs: Radiation monitor (radmon.org)
Last edit: 2 years 4 months ago by pablox.
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2 years 4 months ago - 2 years 4 months ago #6568
by Simomax
Personal Use License:
You may download and save my content from this website for your personal use and enjoyment only. You may not share, redistribute, or transmit it to others, or use it commercially. All rights remain my own.
https://www.blinkyslab.co.uk/content-usage-notice
Replied by Simomax on topic ESP8266 GM counter schematic + firmware
That looks great pablox! I love the case and front panel - looks very industrial. Nice work, and thanks for sharing the schematic too.
That PSU looks beefy. I bet that bites if touched wrongly.
I do have a question about the circuit/schematic; why are R2, R3 and R4 10Meg, when you could have used a 30Meg resistor? Same for R6, R7 and R8. They could have been a 10Meg resistor, or whatever is needed for the tube.
ETA: I have just realized this is a new version/upgrade of the version you posted a few months ago. Its looking much nicer, neater and tidier. A massive improvement.
I do have a question about the circuit/schematic; why are R2, R3 and R4 10Meg, when you could have used a 30Meg resistor? Same for R6, R7 and R8. They could have been a 10Meg resistor, or whatever is needed for the tube.
ETA: I have just realized this is a new version/upgrade of the version you posted a few months ago. Its looking much nicer, neater and tidier. A massive improvement.
Personal Use License:
You may download and save my content from this website for your personal use and enjoyment only. You may not share, redistribute, or transmit it to others, or use it commercially. All rights remain my own.
https://www.blinkyslab.co.uk/content-usage-notice
Last edit: 2 years 4 months ago by Simomax.
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2 years 4 months ago #6573
by nu3e
Replied by nu3e on topic ESP8266 GM counter schematic + firmware
Resistors have a maximum voltage rating. By placing 3 equal value resistors in series, the voltage drop across each resistor is approximately 400/3.I do have a question about the circuit/schematic; why are R2, R3 and R4 10Meg, when you could have used a 30Meg resistor? Same for R6, R7 and R8. They could have been a 10Meg resistor, or whatever is needed for the tube.
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