DerTempomat
About the DerTempomat PCB
DerTempomat is an open source AVR/Arduino PCB design by cybaer, published on GitHub. It is a 2-layer board measuring 40.6 × 109.2 mm, with 67 components from 23 distinct parts.
Its main chip is the ATMEGA328P-AU, from the AVR/Arduino family. Other key parts include the MCP23S17, LM1117-5.0 and MCP6002-xSN. By type, the board carries 35 resistors, 10 capacitors, 8 transistors, 8 connectors, 4 ICs and 1 crystal.
From the project
Divider, Multiplier and Trigger Recorder
Divider, Multiplier and Trigger Recorder for eurorack
Main components on the DerTempomat
DerTempomat bill of materials (BOM)
67 components, 23 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATMEGA328P-AU | TQFP-32_7x7mm_Pitch0.8mm | U1 |
| 1 | MCP23S17 | SOIC-28W_7.5x17.9mm_Pitch1.27mm | U2 |
| 1 | LM1117-5.0 | SOT-223 | U3 |
| 1 | MCP6002-xSN | SOIC-8_3.9x4.9mm_Pitch1.27mm | U4 |
| 8 | MMBT3904 | SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 |
| 1 | 20MHz | Crystal_SMD_HC49-SD_HandSoldering | Y1 |
| 1 | AVR-ISP-6 | Pin_Header_Straight_2x03_Pitch2.54mm | CON1 |
| 1 | — | Pin_Header_Straight_1x10_Pitch2.54mm | J1 |
| 1 | — | Pin_Header_Straight_1x08_Pitch2.54mm | J2 |
| 1 | Conn_02x05_Odd_Even | Pin_Header_Straight_2x05_Pitch2.54mm | J3 |
| 2 | — | Pin_Header_Straight_1x06_Pitch2.54mm | J4, J6 |
| 1 | Conn_01x08_Male | Pin_Header_Straight_1x08_Pitch2.54mm | J5 |
| 1 | Conn_01x02_Male | Pin_Header_Straight_1x02_Pitch2.54mm | J7 |
| 1 | 5V1 | D_MiniMELF_Handsoldering | D1 |
| 6 | 100n | C_0805_HandSoldering | C1, C2, C3, C4, C7, C8 |
| 2 | 22µ | CP_Elec_4x5.3 | C5, C6 |
| 2 | 20p | C_0805_HandSoldering | C9, C10 |
| 9 | 10K | R_0805_HandSoldering | R1, R2, R10, R11, R12, R13, R31, R32 +1 |
| 5 | 4K7 | R_0805_HandSoldering | R3, R14, R15, R16, R17 |
| 5 | 3K3 | R_0805_HandSoldering | R4, R18, R19, R20, R21 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 9 | 1K | R_0805_HandSoldering | R5, R6, R7, R8, R9, R22, R23, R24 +1 |
| 6 | 100K | R_0805_HandSoldering | R25, R26, R27, R28, R29, R30 |
| 1 | 5K | R_0805_HandSoldering | R34 |
DerTempomat design files
The KiCad project lives in the cybaer/derTempomat repository on GitHub; these links point at the commit this page was built from.
- LayoutHardware/dd.kicad_pcb
DerTempomat: common questions
What microcontroller does the DerTempomat use?
The DerTempomat is built around the ATMEGA328P-AU, from the AVR/Arduino family.
How big is the DerTempomat PCB?
The DerTempomat measures 40.6 × 109.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the DerTempomat?
67 components, from 23 distinct parts. The full bill of materials is listed on this page.
Where can I download the DerTempomat design files?
From the cybaer/derTempomat repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the DerTempomat design in my own project?
The repository has no license, so all rights stay with cybaer. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the DerTempomat without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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