Cov txheej txheem:
Video: Nixie Trilateral Clock: 6 Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27
Hnub Ua Haujlwm: Lub Ob Hlis - Tsib Hlis 2019
Sau: Christine Thompson
Txheej txheem cej luam
Thaum tos txog qhov xa khoom rau lwm qhov haujlwm kuv txiav txim siab thawb ua ntej nrog txoj haujlwm no. Ntawm nws lub plawv yog ob lub raj IN-13M Nixie. Cov raj no tau tsim los muab cov kab ntsuas kab nruab nrab ntawm cov ntsiab lus siab tshaj thiab tsawg kawg uas siv kab teeb pom kev. Txoj haujlwm siv ob qhov ntawm IN-13M, peb lub xaim Nixie raj los qhia, sijhawm (Teev Sijhawm thiab feeb), Kub (Celsius thiab Fahrenheit), Vaum (feem pua), thiab Siab (millibars).
Txog ntawm no kuv xav ua tsaug rau Dr. Scott M. Baker rau nws lub vev xaib zoo, uas tau muab txhua yam ntaub ntawv uas kuv xav tau kom tau txais cov raj Nixie no los ua haujlwm. Tshwj xeeb yog Tus Tswj Tam Sim No raws li tau qhia thiab ntxaws ntxaws ntawm nws lub vev xaib.
Txoj haujlwm siv lub ntsuas BME280 los ntsuas qhov ntsuas kub, siab thiab av noo thiab RTC moos los saib xyuas lub sijhawm. Raws li cov txheej txheem xav tau los qhia rau rau qhov sib txawv qhov tseem ceeb nws yog qhov tsim nyog los tsim lub hauv paus tig uas pom cov txiaj ntsig no tawm tsam rau teev. Txhawm rau kom ua tiav qhov sib npaug ntawm daim duab peb sab ntoo tau ua qauv, txhua sab qhia ob pawg ntawm qhov muaj txiaj ntsig. Lub tshuab hluav taws xob stepper tau teeb tsa hauv qab lub platform sab saum toj thiab lub cav no tig los ntawm 120 degrees nyob rau lub sijhawm rau cov txheej txheem tom ntej kom pom tshwm ntawm ob lub raj Nixie.
NCO TSEG: Lub raj IN-13M nixie tsis tuaj yeem suav tias yog qhov tseeb ntawm kev qhia tus lej lej raws li hais hauv IN-14, lossis ib qho ntawm lwm lub raj Nixie.
Kauj Ruam 1: Cov Khoom Siv
QHOV TSEEB
1. Arduino Uno R3
2. 16X2 LCD zaub (Siv rau kev sim nkaus xwb, tshem tawm thaum sib dhos zaum kawg)
3. BME280 sensor
4. RTC Lub Sijhawm Teev Sijhawm nrog thaub qab roj teeb
5. 12V-150V DC-DC boost converter
6. 12V-5V DC-DC kauj ruam nqis hloov pauv
7. 12V 1A - Hwj chim Adapter
8. 5V Stepper Motor 28BY-48 thiab Controller ULN2003
9. Ntoo rau puag, platform thiab nplai.
10. iav dome
11. 3mm tooj dag tooj dag
12. 3 hli tooj dag dome txiv ntseej
13. Cov ntawv tooj dag, 2mm (300mm x 600mm)
14. Dub 100gsm ntawv
15. Cov kab hluav taws xob sib txawv
16. Ib tus ncej hloov
17. 5v liab LED
18. 12V qhov nruab nrab qhov nruab nrab zoo nkag
19. Ntau yam ntsia hlau, yas txuas, cua sov ntsws, PCB pins, xaim
20. PCB pawg thawj coj (3 X 40mm X 20mm)
21. 5 hli liab LED
22. Tus Tswj Tam Sim No:
a 1 K resistor
b. 1uF Peev Xwm
c. 470ohm tus tiv thaiv
d. 220K tiv thaiv
e. 2K trim lauj kaub, 3296
f. MJE340 NPN transistor
Kauj Ruam 2: Kev Tsim Kho
Kuv tau txuas daim Fritzing daim duab qhia pom kev ua tiav ntawm txoj haujlwm no.
Kuv tau txuas tus thawj Lavxias ntawv IN-13 cov ntawv, MJE340 cov ntawv, TSR-3296 cov ntawv, MS Publisher Scales hom ntawv, thiab Tus Tswj Tam Sim No.
Thaum kuaj xyuas IN-13 koj yuav pom lub paj liab nyob hauv lub khob hauv qab ntawm lub raj. Nrog qhov no ntawm sab xis ntawm cov xov hlau raws li nyeem ntawm sab laug mus rau sab xis yog: Aux-cathode, Ind-cathode, thiab Anode. Nws yog ib qho tseem ceeb uas cov anode tsis tau thauj khoom ntau thiab qhov siab tshaj 140v tau pom zoo.
Thaum tshuaj xyuas 2K lub lauj kaub tais diav qhov txuas txuas yog qhov txuas nruab nrab thiab ib qho ntawm ob qho kev sib txuas sab nraud tuaj yeem siv tau. Thaum tshuaj xyuas MJE340 transistor saib sab yas dub, tsis yog lub tog cua sov sab, nyeem cov kev sib txuas ntawm sab laug mus rau sab xis muab Emitter (E - 1), Collector (C - 2), thiab Base (B - 3).
Thaum tsim Cov Kev Tiv Thaiv Tam Sim No tuaj yeem teeb tsa nyob rau hauv ib qho kev taw qhia, txawm li cas los xij lub capacitor yuav tsum tau teeb tsa nrog "rho tawm" grey sawb ntsib GND. Kuj xyuas kom txhua GNDs rov qab mus rau ib lub ntsiab lus, qhov no tseem ceeb tshaj rau High Voltage GND uas tseem yuav tsum rov qab mus rau tib lub ntsiab lus.
Qhov ua yuam kev feem ntau yog xaim MJE340 txoj kev tsis raug ib puag ncig.
Kauj Ruam 3: REGULATOR tam sim no
Pom zoo:
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