Clmt
About the Clmt PCB
Clmt is an open source AVR/Arduino PCB design by olegk0, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 31.8 × 27.4 mm, with 51 components from 26 distinct parts.
Its main chip is the ATmega328P-AU, from the AVR/Arduino family. By type, the board carries 21 resistors, 16 connectors, 7 capacitors, 4 diodes, 1 IC and 1 transistor.
Main components on the Clmt
Clmt bill of materials (BOM)
51 components, 26 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATmega328P-AU | TQFP-32_7x7mm_P0.8mm | U2 |
| 1 | BC847 | SOT-23 | Q1 |
| 1 | Ispr T | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Salon T | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Power | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | Programm | PinHeader_1x07_P2.54mm_Vertical | J4 |
| 1 | NightLight_in | PinHeader_1x01_P2.54mm_Vertical | J5 |
| 1 | CondEnable_out | PinHeader_1x01_P2.54mm_Vertical | J6 |
| 1 | ACC_in | PinHeader_1x01_P2.54mm_Vertical | J7 |
| 1 | Display | PinHeader_1x05_P2.54mm_Vertical | J8 |
| 1 | pc0 | PinHeader_1x01_P2.54mm_Vertical | J9 |
| 1 | Encoder_T | PinHeader_1x04_P2.54mm_Vertical | J10 |
| 1 | Hi_Mode | PinHeader_1x01_P2.54mm_Vertical | J11 |
| 1 | Cond_Switch_in | PinHeader_1x01_P2.54mm_Vertical | J12 |
| 1 | Cond_Ied_out | PinHeader_1x01_P2.54mm_Vertical | J13 |
| 1 | Encoder_Vent | PinHeader_1x04_P2.54mm_Vertical | J14 |
| 1 | pc1 | PinHeader_1x01_P2.54mm_Vertical | J15 |
| 1 | pc2 | PinHeader_1x01_P2.54mm_Vertical | J16 |
| 1 | D | D_2010_5025Metric_Castellated | D1 |
| 2 | D_Zener | D_MiniMELF | D2, D3 |
Show 6 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BZX84Cxx | D_SOT-23_ANK | D4 |
| 1 | INDUCTOR | L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | L1 |
| 6 | C | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C4, C5, C6, C7, C8 |
| 1 | CP1 | CP_Radial_D5.0mm_P2.50mm | C3 |
| 20 | R | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R2, R3, R4, R5, R6, R7, R8 +12 |
| 1 | 270 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R19 |
Clmt design files
The KiCad project lives in the olegk0/ClimatVesta repository on GitHub; these links point at the commit this page was built from.
Clmt: common questions
What microcontroller does the Clmt use?
The Clmt is built around the ATmega328P-AU, from the AVR/Arduino family.
How big is the Clmt PCB?
The Clmt measures 31.8 × 27.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Clmt?
51 components, from 26 distinct parts. The full bill of materials is listed on this page.
Where can I download the Clmt design files?
From the olegk0/ClimatVesta repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Clmt design in my own project?
Yes, under the terms of its Apache-2.0 license, which olegk0 chose for the repository.
Can I test firmware for the Clmt 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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