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STD LED_Vu_meter_LM3915
License: Public Domain
Mode: Editors' pick
- 1
Update time：
2023-02-09 20:06:31
Creation time：
2020-02-21 11:56:52
Description
Channel on Youtube:
* [https://www.youtube.com/c/HOBBYHOMEELECTRONICS](https://www.youtube.com/c/HOBBYHOMEELECTRONICS)
Video on Youtube:
* [https://youtu.be/Mwh9Z-UxknA](https://youtu.be/Mwh9Z-UxknA)
Pinterest:
* [https://www.pinterest.com/HobbyHomeElectronics/_created/](https://www.pinterest.com/HobbyHomeElectronics/_created/)
Instructables:
* [https://www.instructables.com/member/Hobby%20Home%20Electronics/instructables/](https://www.instructables.com/member/Hobby%20Home%20Electronics/instructables/)
Facebook page:
* [https://www.facebook.com/HobbyHomeElectronics/](https://www.facebook.com/HobbyHomeElectronics/)
Tindie online shop:
* [https://www.tindie.com/stores/hhe/](https://www.tindie.com/stores/hhe/)
Please support me on Patreon to create a new projects.
You can find all the necessary information for repeating this device by clicking on the link to Patreon:
* [https://www.patreon.com/HOBBYHOMEELECTRONICS](https://www.patreon.com/HOBBYHOMEELECTRONICS)
Author: Romans Dodu, Hobby Home Electronics.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | A2541WV-11P | H4,H2,H3 | HDR-TH_11P-P2.54-V_A2541HWV-11P | 3 |
| 2 | TJ-L5FYTYGTDLSFLC6TW-A5 | LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9,LED10,LED11,LED12,LED13,LED14,LED15,LED16,LED17,LED18,LED19,LED20 | LED-TH_BD5.8-P2.54-FD | 20 |
| 3 | 2.2k | R2,R1,R5,R6 | AXIAL-0.3 | 4 |
| 4 | 100k | R3,R13 | AXIAL-0.3 | 2 |
| 5 | 22k | R4,R10,R9,R8 | AXIAL-0.3 | 4 |
| 6 | 9.1k | R7 | AXIAL-0.3 | 1 |
| 7 | 1k | R11,R12,R14 | AXIAL-0.3 | 3 |
| 8 | 1uF | C1 | CAP-TH_L7.2-W6.0-P5.00-D0.6 | 1 |
| 9 | 1N4148 | D1,D2 | DO-35_BD2.0-L4.2-P8.20-D0.5-RD | 2 |
| 10 | JUMP1 | H1 | HDR-TH_3P-P2.54-V | 1 |
| 11 | DOT/BAR | SW1 | SW-TH_DSWB01LHGET | 1 |
| 12 | ON/OFF | SW2 | SW-TH_DSWB01LHGET | 1 |
| 13 | LM3915N-1 | U2 | DIP18 | 1 |
| 14 | NE5532P | U1 | DIP-8 | 1 |
| 15 | 22uF | C5,C6,C7 | CAP-TH_BD5.0-P2.5-D0.5-FD | 3 |
| 16 | 100nF | C3 | RAD-0.1 | 1 |
| 17 | 220uF | C2,C4 | CAP-6.3*11 | 2 |
| 18 | POWER 12V | J1 | DC-IN-TH_DC-005C-20A | 1 |
| 19 | CZN-15E | MIC1 | MIC-TH_BD9.7-P2.54-D0.8-L-FD | 1 |
| 20 | 1uF | C8,C9 | CAP-TH_BD5.0-P2.00-D0.8-FD | 2 |
| 21 | 10K | POT1 | RES-ADJ-SMD_RM065-V1 | 1 |
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