6 layers190 × 140 mm
2 layers101 × 31.5 mm
Management
dennisss/dacha397Monorepo for awesome tools/projects/libraries
- Size
- 101 × 31.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 50
- Nets
- 48
- Pads
- 171
- Tracks, vias
- 376, 13
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 4 Jan 2019
- Updated
- 12 Oct 2026
Overview
Management is an open-source printed circuit board by dennisss, from the dennisss/dacha repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 101 × 31.5 mm with 50 parts on 48 nets, routed with 376 tracks and 13 vias.
It is built around the AGQ20012 and DMG2301L. Its parts include 21 resistors, 13 connectors, 8 capacitors, 4 transistors and 3 ICs. It belongs with the nRF52 and nRF5x boards of this library.
Main components
2
AGQ20012
DIP,10.6x7.2mm-40℃~+85℃ 1.028kΩ 100mΩ 110V@DC、125V@AC 12V 140mW 2A 300mA@125VAC、1A@30VDC、2A@30VDC 4ms 4ms AgPd + Gold Plated Two groups of conversions: 2C(Double-pole double-throw conversion) DIP,10.6x7.2mm Signal Relays ROHSPanasonicSignal Relays
DMG2301L
SOT-23-55℃~+150℃ 1 P-Channel 1.2V 1.5W 150mΩ@2.5V 20V 3A 5.5nC@4.5V P-Channel SOT-23 MOSFETs ROHSDiodes IncorporatedMOSFETs
README
README.mddacha
This is a monorepo/ecosystem of software/hardware solutions built by Dennis. Code is written primarily in Rust. Check out the partial list of what's available below.
To get started using the existing applications in this repo, follow the user guide.
Licensing
Files in this repository are licensed according to the terms in the LICENSE file though sub-directories may contains separate LICENSE files that overrule this for all files in that sub-directory.
In short, all the software is licensed under an Apache 2 license and hardware is licensed with the CERN OHL v2 Permissive license.
Components
Systems
- Cluster Orchestration : Kubernetes/Borg like containerization and service mesh solution.
- Metadata Storage : Chubby/Etcd like key-value store.
- Builder : A Bazel/Buck like dependency graph based build system.
Libraries
- Executor: Runtime for executing async futures.
- CLI Arguments Parser
- Cryptography: Suite of most common encryption/hashing/randomness algorithms. Also includes support for TLS and X.509.
- HTTP: HTTP 1/2 client/server implementation.
- RPC: gRPC compatible remote procedure call framework.
- Math: Linear algebra, optimization, geometric algorithms, big integers, etc.
- Compression
- Linux Syscall Bindings
- USB Device/Host Driver
- JSON
- Image Encoding/Decoding
- Raft : Implementation of Raft consensus and everything need to make a replicated state machine from an existing non-replicated one.
- Embedded DB : A LSM style single process database compatible with RocksDB/LevelDB.
- Graphics : A UI and rendering framework.
Compilers
- Automata / Regular Expressions
- Protobuf: Support for serialization/deserialization of Protocol Buffers either via code generation or dynamic reflection.
- ASN.1: Compiler for safe accessors and serialization/deserialization of ASN.1 messages.
- Markdown
- Skylark: Python like evaluation.
Directory Structure
Directories under this repository are used as follows:
pkg/[name](/[subname])*: First party Rust cratesdoc/: General documentation not associated with any specific packagetestdata/: Data for testing stuff underpkg/third_party/: Code and data dependencies imported from external sources (not written originally in this repository).- Code that interfaces with external services/devices may still exist in
pkg/ - As a general rule of thumb, we'd prefer to clone any dependencies into here rather than relying on package manager based vendoring.
- Code that interfaces with external services/devices may still exist in
Parts
50| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 10K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R6, R7, R8, R9, R11, R13, R16, R18, R19 |
| 6 | 4.7nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C4, C5, C6, C7, C8 |
| 4 | 100K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R4, R5 |
| 3 | 100 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17, R20, R21 |
| 2 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 2 | 4.7K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R14, R15 |
| 2 | 47K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10, R12 |
| 2 | DMG2301L | Package_TO_SOT_SMD:SOT-23 | Q3, Q4 |
| 1 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2 |
| 1 | AGQ20012 | AGQ20012:RELAY_AGQ_PAN | U3 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J13 |
| 1 | FAN1 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J2 |
| 1 | FAN2 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J7 |
| 1 | FAN3 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J8 |
| 1 | FAN4 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J9 |
| 1 | FAN5 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J10 |
| 1 | FAN6 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J11 |
| 1 | Fuse | Fuse:Fuse_0805_2012Metric_Pad1.15x1.40mm_HandSolder | F1 |
| 1 | I2C | Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal | J12 |
| 1 | LED | Connector_JST:JST_PH_S3B-PH-K_1x03_P2.00mm_Horizontal | J5 |
| 1 | NRF52840_ITSY_BITSY | Components:NRF52840_ITSY_BITSY | U2 |
| 1 | PSU_L | molex_microfit_2x2:CONN_SD-43045-008_04_MOL | J1 |
| 1 | PSU_R | molex_microfit_2x2:CONN_SD-43045-008_04_MOL | J6 |
| 1 | SAS_L | Connector_JST:JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J3 |
| 1 | SAS_R | Connector_JST:JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J4 |
| 1 | SN74AHCT125DR | SN74AHCT125DR:SOIC127P600X175-14N | U1 |
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Questions
How big is the Management PCB?
It measures 101 × 31.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Management use?
50 parts, built around the AGQ20012 and DMG2301L. 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 Management KiCad files?
From the dennisss/dacha repository on GitHub, at the commit this page was made from: the board is pkg/cluster/machines/jbod/boards/management/r1/management.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Management design in my own project?
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).