TinyTronics LM3915 LED Audio Level Indicator
Likahare tsa Sephutheloana
| Lebitso la sehlahisoa | Bongata | Sesupo sa PCB |
| PCB | 1 | |
| 1MΩ sehanyetsi | 2 | R1, R2 |
| 4.7KΩ mohanyetsi | 6 | R3, R4, R5, R6, R7, R8 |
| Teng Jie Cool White LED - 5mm Hlakileng | 6 | D1, D2, D3, D4, D5, D6 |
| Phetoho e nyane - Likhato tse 90 - Matla a Eketsehileng | 2 | SW1, SW2 |
| Ceramic Capacitor - 10uF 25V | 2 | C1,C2 |
| NPN Transistor BC547 | 2 | Q1, Q2 |
| CR2450 Battery Holder bakeng sa PCB - Flat | 1 | BAT1 |
| Ho ikhethela: Duracell CR2450 3V Lithium Battery | 1 |
Mohaho oa khoutu ea mebala
- 1MΩ
bosootho, botsho, botsho, bosehla, bosootho
- 4.7KΩ
mosehla, voilet, batsho, sootho, sootho
Lisebelisoa tse ling tse sa kenyelletsoeng
- Tšepe ea soldering.
- Mohala oa solder.
- Lisebelisoa tsa ho khaola.
- Ka boikhethelo: Ribone ea ho fanyeha thepa ea DIY ea Snowflake ho eona.
- Ka boikhethelo: Ema bakeng sa lisebelisoa tsa DIY tsa Snowflake.
Litaelo
Solder likarolo maemong a thathamisitsoeng tafoleng e ka holimo. Le hoja taelo e sa tsotellehe, ho loketse ho beha likarolo ho tloha holimo ho ea tlaase ho ea ka tafole. Hlokomela hore li-LED li lokela ho behoa ka pele ho PCB le likarolo tse ling tse ka morao.
Ha u rekisa BC547 NPN Transistor, ela hloko hore u se ke ua e sutumelletsa hole haholo ho PCB, kapa lithakhisa li tla inamela hole haholo 'me mohlomong li senye transistor. Haeba u fumana hore lithakhisa li tiile hoo li ka solder, ho lekane.
Pele o kenya betri, khaola lithakhisa tse feteletseng tsa likarolo tsohle ho thibela hore ka phoso ho se ke ha khoneha.
The Snowflake DIY kit e kenyelletsa li-switch tse peli. SW1 e ka sebelisoa ho bulela kapa ho tima li-LED, 'me SW2 e ka sebelisoa ho seta hore na li-LED li ntse li benya kapa li lula li khantšitse.
Leano
Litokomane / Lisebelisoa
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TinyTronics LM3915 LED Audio Level Indicator [pdf] Litaelo LM3915 LED Audio Level Level Indicator, LM3915, LED Level Level Indicator, Letšoao la Boemo ba Molumo, Letšoao la Maemo, Lesupa |