

Digiorgan
Electronics to control servos for automating a street organ
- Size
- 150 × 65 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 116
- Nets
- 108
- Pads
- 467
- Tracks, vias
- 662, 39
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 18 Sep 2021
- Updated
- 19 Sep 2021
Overview
Digiorgan is an open-source printed circuit board by DanielO, from the DanielO/digiorgan repository on GitHub. It is a 2-layer board of 150 × 65 mm with 116 parts on 108 nets, routed with 662 tracks and 39 vias.
It is built around the PCA9685PW, LM358 and AOD417, with the FDN304P among its other parts. Its parts include 48 resistors, 26 capacitors, 9 connectors, 5 ICs and 3 diodes. It belongs with the robots and motor control boards and the ESP8266 and NXP (LPC, Kinetis, i.MX RT) boards of this library.
Main components
4PCA9685PW
TSSOP-28-40℃~+85℃ 100kHz~1MHz 16 2.3V~5.5V 25mA 5.5V Built-in PWM TSSOP-28 LED Drivers ROHSNXP SemiconductorsLED DriversLM358
SOP-8-18V~18V 0℃~+70℃ 1.2MHz 10nA 2 24mA 3V~36V 500uA 50nA 5mV 80dB Built-in compensation SOP-8 Operational Amplifier ROHSMSKSEMIOperational AmplifierAOD417
TO-252-55℃~+150℃ 1 P-Channel 1.286nF 15A 2.5V 2.5W 30V 33mΩ@10V、52mΩ@4.5V 440pF 53nC@15V 640pF P-Channel TO-252 MOSFETs ROHSJSMSEMIMOSFETsFDN304P
SOT-23-55℃~+150℃ 1 P-Channel 1.312nF 1.5V 100mΩ@1.8V 106pF 2.4A 20V 20nC@4.5V 240pF 500mW P-Channel SOT-23 MOSFETs ROHSonsemiMOSFETs
README
README.mdCarrier board for a Teensy 3.5 to control 32 servos.
Designed to play music in a Castlewood Busker Organ.
It only has 20 notes but we are using 2x16 PWM controllers so it may be of use for other organs.
Parts
116| Qty | Value | Footprint | References |
|---|---|---|---|
| 32 | 100 | Resistors_SMD:R_0805_HandSoldering | R1, R2, R3, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R35, R36 +16 |
| 19 | 100n | Capacitors_SMD:C_0805_HandSoldering | C1, C4, C5, C6, C10, C11, C12, C13, C14, C17, C19, C20, C21, C22, C23, C24 +3 |
| 10 | TestPoint | Pin_Headers:Pin_Header_Straight_1x01_Pitch1.27mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10 |
| 9 | 10k | Resistors_SMD:R_0805_HandSoldering | R24, R25, R26, R27, R28, R29, R30, R33, R34 |
| 7 | 10uF 25V | Capacitors_Tantalum_SMD:CP_Tantalum_Case-B_EIA-3528-21_Hand | C2, C3, C15, C16, C18, C25, C26 |
| 5 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1, JP2, JP3, JP4, JP5 |
| 4 | Conn_01x16_Male | Pin_Headers:Pin_Header_Straight_1x16_Pitch2.54mm | J3, J4, J6, J7 |
| 4 | MountingHole | Mounting_Holes:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | 1k | Resistors_SMD:R_0805_HandSoldering | R21, R22, R23 |
| 3 | LED | LEDs:LED_0805_HandSoldering | D1, D2, D3 |
| 2 | 4k7 | Resistors_SMD:R_0805_HandSoldering | R31, R32 |
| 2 | 50k | Resistors_SMD:R_0805_HandSoldering | R47, R48 |
| 2 | Conn_01_16_Male | Pin_Headers:Pin_Header_Straight_1x16_Pitch2.54mm | J2, J5 |
| 2 | INDUCTOR | Inductors_SMD:L_1210_HandSoldering | L1, L2 |
| 2 | PCA9685PW | Package_SO:TSSOP-28_4.4x9.7mm_P0.65mm | U4, U5 |
| 1 | AOD417 | TO_SOT_Packages_SMD:TO-252-2 | Q2 |
| 1 | Barrel_Jack_Switch | Connectors:Barrel_Jack_CUI_PJ-102AH | J1 |
| 1 | Battery_Cell | Battery_Holders:Keystone_1058_1x2032-CoinCell | BT1 |
| 1 | Conn_01x04_MountingPin | Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm | J22 |
| 1 | Conn_01x08_MountingPin | Pin_Headers:Pin_Header_Straight_1x08_Pitch2.54mm | J23 |
| 1 | ESP-01v090 | ESP8266:ESP-01 | U2 |
| 1 | FDN304P | TO_SOT_Packages_SMD:SuperSOT-3 | Q1 |
| 1 | Fuse | Fuse_Holders_and_Fuses:Fuseholder5x20_horiz_SemiClosed_Casing10x25mm | F1 |
| 1 | LM358 | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | U3 |
| 1 | Teensy3.5 | teensy:Teensy35_36_All_Pins | U1 |
Questions
How big is the Digiorgan PCB?
It measures 150 × 65 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Digiorgan use?
116 parts, built around the PCA9685PW, LM358, AOD417 and FDN304P. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Digiorgan KiCad files?
From the DanielO/digiorgan repository on GitHub, at the commit this page was made from: the board is digiorgan.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Digiorgan design in my own project?
Its repository states no licence, so its author keeps all rights: ask DanielO before reusing the design.
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