6 Lig Nixie Clock / Timer / Thermometer: 4 Cov Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:26

Txoj haujlwm no yog kwv yees li 6 tus lej teev nrog NIXIE hlab.

Nrog tus hloov pauv xaiv uas koj tuaj yeem xaiv ntawm TIME (thiab hnub tim) hom, TIMER hom (nrog 0.01 sec raug), thiab THERMOMETER hom.

Tus qauv RTC tuav hnub thiab sijhawm los ntawm lub roj teeb sab hauv.

Lub PIR sensor tau muab los kaw cov zaub thaum tsis muaj leej twg txav mus tom ntej ntawm lub moos rau ob peb feeb.

Thov nco ntsoov tias, rau txoj haujlwm no koj yuav tsum muaj txuj ci hluav taws xob tsawg kawg-rau-nruab nrab.

Disclaimer/ CEEB TOOM:

Lub tshuab hluav taws xob no ua hluav taws xob siab uas tuaj yeem ua rau hluav taws xob poob thiab/lossis puas tsuaj rau cov cuab yeej siv.

Khoom siv

Cov khoom siv hluav taws xob:

1. Nixie hlab (6)
2. 74141 lossis 7441 IC (1)
3. Arduino Pro Mini (1)
4. 555 IC (1)
5. 4098 IC (1)
6. RTC DS 3231 module (1)
7. LM35 (1)
8. 7805 Regulator (1)
9. MPSA42 Transistor (6)
10. MPSA92 Transistor (6)
11. IRF740 MOSFET (1)
12. IRF540 MOSFET (1)
13. BC547 Transistor (1)
14. 22 K Resistor (12)
15. 10 K Resistor (7)
16. 1 M Resistor (7)
17. 100 K Resistor (1)
18. 1 K Resistor (1)
19. 2.2 K Resistor (1)
20. 220 K Resistor (1)
21. 1K Potentiometer (1)
22. UF4004 Diode (1)
23. 100 uH 1A inductor (1)
24. 4.7uF 200 Volt Capacitor (1)
25. 10uF 25 Volt Capacitor (1)
26. 220uF 25 Volt Capacitor (1)
27. 100nF Capacitor (1)
28. 100pF Capacitor (1)
29. 2.2nF Capacitor (1)
30. ON/OFF hloov (1)
31. 3 lub xeev xaiv qhov hloov (1)
32. Laub khawm (4)
33. Adaptor nkaus (1)
34. 9 volt phab ntsa adapter (1)
35. Multipurpose PCB, tus pin headers, thiab lwm yam raws li xav tau

Kauj Ruam 1: Txog Nixie Tubes

Nixie hlab yog tus qauv ntsuas rau tus lej, ua ntej tsim muaj xya ntu. Lawv yog qhov tseem ceeb neon lub tshuab nqus tsev thiab txhua tus lej yog cathode ntawm lub raj, uas ci thaum qhov sib txuas hluav taws xob siab.

Lawv saib zoo nkauj heev, tab sis hmoov tsis, lawv nyuaj rau pom hnub no. Txawm hais tias lawv tseem muaj nyob hauv khw muag khoom online zoo li ebay thiab lwm yam.

Kuv scavenged 12 zoo Nixies los ntawm lub laij lej qub uas tsis ua haujlwm. Feem ntau, cov zaub ntawm lub laij lej tsis yog ib feem uas puas:)

Hauv kuv qhov xwm txheej, cov hlau hlau tau xeb heev thiab qee qhov ntawm lawv tau raug cais tawm ntawm qhov txuas txuas mus rau iav! Kuv tau xaim ib lub xaim rau lub ntsiab lus, thiab kho nws los ntawm cyano-acrylate (1, 2, 3) kua nplaum.

Kuv cov nixie hlab yog NEC LD955A. Koj tuaj yeem siv cov raj nixie uas koj tuaj yeem pom, thiab cov khoom siv hluav taws xob tshwj xeeb zoo ib yam. Koj tuaj yeem pom tus pinout los ntawm kev tshawb nrhiav tus lej hauv internet, lossis koj tuaj yeem pom cov pins los ntawm kev thov 180 volt DC rau tus pin. Tus pin sib xws, (Anode) yuav tsum txuas nrog +180 v thiab txhua lwm tus pin txuas nrog hauv av, dhau ntawm 2.2K resistor. Sau tus lej tus lej thiab tus lej sib xws uas tau tshwm.

Kuv tsis tau tsim PCB, vim tias kuv npaj yuav ua tus qauv. Dhau li, kuv tsis tuaj yeem pom hneev taw ntawm cov hlab nixie. Yog li kuv tau siv ntau lub rooj tsavxwm. Koj tuaj yeem tsim PCB yog tias koj xav tau.

Kauj ruam 2: Schematic Nqe lus piav qhia

Cov nixie leeg yog sib npaug, kom txo cov pins xav tau rau kev ua haujlwm ntawm 6 tus lej. 74141 (lossis 7441) IC yog BCD-rau-decimal hloov pauv uas muaj peev xwm tswj tau qhov hluav taws xob siab. Ib qho 74141 hauv qhov txaus, vim tias cov hlab ntshav sib npaug. Cov IC no tsav cov cathodes.

Txhawm rau tsav lub anodes, Kuv siv ob lub tshuab hluav taws xob hluav taws xob siab rau ib tus lej (pom tseeb Arduino tsis tuaj yeem tuav 180 volts!)

Txhawm rau tuav lub sijhawm nyob rau hauv rooj plaub ntawm kev tshem tawm lub zog, Kuv tau siv RTC module (lub sijhawm tiag tiag) uas siv 3V lithium roj teeb. Nws yuav tuav lub sijhawm thiab hnub tim meej heev nyob ntev, tej zaum ntau dua 1 xyoos.

Txog rau PIR sensor, Kuv siv tus qauv me me (SR505). Hmoov tsis zoo, tus qauv no tuav lub teeb liab rau tsuas yog 8 vib nas this, uas tsis txaus hauv kuv lub tswv yim. Kuv nyiam lub sijhawm no nyob ib puag ncig 2-3 feeb. PIR cov qauv uas muaj lub sijhawm hloov kho ncua, loj dua thiab tsis haum rau hauv kuv qhov kev tsim qauv. Yog li kuv tau ntxiv monostable multivibrator (CD4098) txhawm rau ncua sijhawm ncua.

Lub tshuab hluav taws xob siab siv lub 555 oscillator thiab MOSFET transistor.

Kauj Ruam 3: Cov Lus Sau Ua Ke

1) Sib sau ua ke cov hluav taws xob hluav taws xob siab thiab kho qhov hluav taws xob ntawm 170-180 Volts los ntawm lub zog ntsuas hluav taws xob.

2) Kuaj cov nixie hlab thiab nrhiav lawv cov pinout. (+180 V nrog 22k resistor nyob rau hauv series rau anode, hauv av rau lwm tus pin ntawm ib tus)

3) Txuas cov pins zoo sib xws ntawm cov hlab ua ke (tshwj tsis yog cov anodes) rau kev sib txuam.

4) Ntsuas qhov thaiv los ntawm kev siv hluav taws xob siab rau txhua qhov anode thiab cathode.

5) Sib sau ua ke ntawm cov hluav taws xob hluav taws xob siab thiab 74141 IC.

6) Ntsuas qhov Circuit los ntawm kev thov qib siab lossis qis (0 thiab +5v) rau cov tswv yim ntawm 74141 thiab lub hauv paus ntawm MPSA42 transistors, txhua tus lej ntawm lub raj sib thooj yuav tsum ci.

7) Program Arduino pro mini.

Raws li koj tuaj yeem paub, Arduino pro mini xav tau lub ntsej muag tshwj xeeb kom txuas nrog lub khoos phis tawj. Koj tuaj yeem pom cov lus qhia tsim nyog hauv is taws nem.

8) Txuas Arduino. Thaum cov raj pov thawj ua haujlwm raug, koj tuaj yeem txuas ntxiv rau RTC module, LM35 ntsuas kub, PIR sensor, thiab hloov pauv, thawb khawm thiab lwm yam.

Kuv teeb lub nixie hlab hauv peb pawg ntawm ob (rau teev, feeb, thiab vib nas this), yog li tsis tas yuav ntxiv teeb cais.

Sim ua kom cov raj nyob hauv nkoj ua tib zoo saib kom zoo. Koj tuaj yeem qaij cov raj kom pom lub kaum ntse ntse zoo.

Kauj Ruam 4: Tus Neeg Siv Qhia

1) SIJ HAWM hom: Hauv kev ua haujlwm ib txwm muaj, lub sijhawm tau tshwm sim. Yog tias tsis muaj leej twg nyob tam sim no (thiab txav mus los) nyob rau ntawm lub moos, lub teeb yuav raug kaw tom qab li 2 feeb, kom ntev lub neej ntawm cov raj.

Los ntawm kev xa lub SW1 hloov mus, koj tuaj yeem hla lub PIR sensor kom cov hlab yuav nyob twj ywm ON tas mus li.

Hauv TIME hom, hnub tuaj yeem tshwm sim los ntawm kev nias lub pob "Hnub".

2) TIMER hom: Yog tias tus xaiv qhov hloov pauv yog nyob rau hauv TIMER hom, koj yuav tsum xub thawb lub khawm "Hnub" los rov pib dua lub sijhawm. Lub pob no tseem ua haujlwm rau pib/nres ntawm lub sijhawm.

3) THERMOMETER hom: Hom ntsuas kub tuaj yeem xaiv los ntawm tus hloov pauv. Hauv hom no, qhov kub ib puag ncig tau tshwm sim hauv Celsius degrees. Txog rau cov raj nruab nrab yuav qhia txog qib thiab lub raj tom ntej ntawm sab xis qhia txog ib feem kaum ntawm qib. Raws li tus lej tau sib sau ua ke hauv ob pawg, tsis tas yuav muaj tus lej zauv. Lwm tus lej tseem nyob hauv hom ntsuas cua sov.

(Yog tias koj xav tau qhov ntsuas kub hauv Fahrenheit degrees, koj yuav tsum hloov qhov program ntawm Arduino kom haum.

4) Yuav teem hnub thiab sijhawm li cas:

Hauv lub sijhawm TIME, nias thiab tuav lub pob "Teev Sijhawm". Cov xuab moos yuav nce ntxiv txhua txhua ob. Kev kho cov feeb yog ua tiav raws li teev los ntawm nias lub pob "Set Min".

Rau kev kho lub vib nas this, thawb lub "Set Sec" khawm thiab tuav; cov vib nas this yuav tsum tsis suav. Thaum mus txog lub sijhawm xav tau, tso lub pob no.

Txhawm rau teeb tsa hnub tim, tuav lub pob "Hnub" los ntawm ib txhais tes, thiab nias "Teev Teev", "Teeb Tsawg" thiab "Teeb Sec" khawm kom hloov xyoo, hli thiab hnub raws li xav tau.