Controller
About the Controller PCB
Controller is an open source NXP PCB design by mamaheux, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 50 mm, with 54 components from 19 distinct parts.
Its main chip is the Teensy_LC, from the NXP family. Other key parts include the MCP3208, 74HC14 and MAX3232. By type, the board carries 27 capacitors, 5 resistors, 4 ICs, 4 transistors, 3 connectors and 2 diodes.
It belongs with the audio designs in this gallery.
Main components on the Controller
Controller bill of materials (BOM)
54 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Teensy_LC | Teensy_LC | U1 |
| 1 | MCP3208 | SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | 74HC14 | SOIC-14_3.9x8.7mm_P1.27mm | U3 |
| 1 | MAX3232 | SOIC-16_3.9x9.9mm_P1.27mm | U4 |
| 4 | TD9944 | SOIC-8_3.9x4.9mm_P1.27mm | Q1, Q2, Q3, Q4 |
| 1 | Conn_01x06_Male | PinHeader_1x06_P2.54mm_Vertical | J1 |
| 1 | Conn_01x03_Male | PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | footswitch | PinHeader_1x06_P2.54mm_Vertical | J3 |
| 7 | 10k | PinHeader_1x06_P2.54mm_Vertical | RV1, RV2, RV3, RV4, RV5, RV6, RV7 |
| 1 | SW_SPST_X3 | PinHeader_1x06_P2.54mm_Vertical | SW1 |
| 1 | 10k | PinHeader_1x02_P2.54mm_Vertical | TH1 |
| 2 | LED | PinHeader_1x08_P2.54mm_Vertical | D1, D2 |
| 2 | 1000µF/25V | CP_Radial_D10.0mm_P5.00mm | C1, C2 |
| 2 | 2.2µF/25V/UL low ESR | C_0805_2012Metric | C3, C4 |
| 2 | 1µF/10V/UL ESR | C_0805_2012Metric | C5, C9 |
| 14 | 1µF/16V | C_0805_2012Metric | C6, C7, C10, C11, C12, C13, C14, C16 +6 |
| 2 | 0.1µF/25V | C_0805_2012Metric | C8, C15 |
| 5 | 0.1µF | C_0805_2012Metric | C23, C24, C25, C26, C27 |
| 5 | 10k | R_0805_2012Metric | R1, R2, R3, R4, R5 |
Controller design files
The KiCad project lives in the mamaheux/bass-amplifier repository on GitHub; these links point at the commit this page was built from.
Controller: common questions
What microcontroller does the Controller use?
The Controller is built around the Teensy_LC, from the NXP family.
How big is the Controller PCB?
The Controller measures 100 × 50 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Controller?
54 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the Controller design files?
From the mamaheux/bass-amplifier repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Controller design in my own project?
Yes, under the terms of its MIT license, which mamaheux chose for the repository.
Can I test firmware for the Controller without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.
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