Alim10o
About the Alim10o PCB
Alim10o is an open source PCB design by acmo0, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 137.8 × 91.4 mm, with 86 components from 17 distinct parts.
Other key parts include the L7809 and LM317. By type, the board carries 35 capacitors, 17 diodes, 14 connectors, 10 ICs, 9 resistors and 1 fuse.
It belongs with the power & battery and audio designs in this gallery.
From the project
This is a description of pedalboard power supplies that I designed an made. I use this power supplies, they are fully working. Pay attention : they are made for 230VAC.
For exemple this is the tension at the output of the diode bridge if your transformer ouput is 18V :
You connect each transformer outputs (if your transformer have only one secondary coil) on the "From-transformer-secondary-output_X" labels. There are capacitors in parallel of each diodes to minimize noise from diodes. You have also a 2200µF capacitor to "smooth" the voltage from the diode bridge. Finaly, you have a 1.85A polyfuse to protect your power supply and pedals mainly against short-circuits. All regulators are connected on "diodes bridge output".
Main components on the Alim10o
Alim10o bill of materials (BOM)
86 components, 17 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 7 | L7809 | TO-220-3_Vertical | U1, U2, U3, U4, U5, U6, U7 |
| 3 | LM317 | TO-220-3_Vertical | U8, U9, U10 |
| 10 | Barrel_Jack | BarrelJack_Horizontal | J1, J2, J3, J4, J5, J6, J7, J8 +2 |
| 1 | CONN_01X03_MALE Conn_01x03_Male | PhoenixContact_GMSTBVA_2,5_3-G-7,62_1x03_P7.62mm_Vertical | J11 |
| 3 | CONN_01X03_MALE Conn_01x03_Male | PinHeader_1x03_P2.54mm_Vertical | J12, J13, J14 |
| 1 | Polyfuse | C_Rect_L7.5mm_W6.5mm_P5.00mm | F1 |
| 13 | 1N4007 | D_A-405_P7.62mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8 +5 |
| 4 | D_Schottky | D_5KPW_P12.70mm_Horizontal | D14, D15, D16, D17 |
| 7 | 0.33µF | C_Rect_L7.0mm_W3.5mm_P5.00mm | C1, C3, C5, C7, C9, C11, C13 |
| 13 | 0.1µF | C_Rect_L11.0mm_W2.8mm_P10.00mm_MKT | C2, C4, C6, C8, C10, C12, C14, C15 +5 |
| 3 | 10µF | CP_Radial_D5.0mm_P2.50mm | C16, C19, C22 |
| 1 | O.1µF | C_Rect_L11.0mm_W2.8mm_P10.00mm_MKT | C21 |
| 10 | 33µF | CP_Radial_Tantal_D4.5mm_P5.00mm | C24, C25, C26, C27, C28, C29, C30, C31 +2 |
| 1 | 2200µF | CP_Radial_D16.0mm_P7.50mm | C34 |
| 3 | 2.15K 2.15k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R4, R7 |
| 3 | 1.5K 1.5k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R5, R8 |
| 3 | 240 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R6, R9 |
Alim10o design files
The KiCad project lives in the acmo0/PedalBoard-Power-Supply-Diy repository on GitHub; these links point at the commit this page was built from.
Alim10o: common questions
How big is the Alim10o PCB?
The Alim10o measures 137.8 × 91.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Alim10o?
86 components, from 17 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Alim10o design files?
From the acmo0/PedalBoard-Power-Supply-Diy repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Alim10o design in my own project?
Yes, under the terms of its GPL-3.0 license, which acmo0 chose for the repository.
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