

MiniAmmeter
Pocket ammeter for quick debugging
- Size
- 57.4 × 27.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 39
- Nets
- 21
- Pads
- 111
- Tracks, vias
- 167, 27
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 23 Jan 2025
- Updated
- 28 Sep 2025
Overview
MiniAmmeter is an open-source printed circuit board by PocketConcepts, from the PocketConcepts/MiniAmmeter repository on GitHub. It is a 2-layer board of 57.4 × 27.9 mm with 39 parts on 21 nets, routed with 167 tracks and 27 vias.
It is built around the ATTINY45V-10XU. Its parts include 16 resistors, 9 connectors, 6 capacitors, 2 ICs and 1 diode. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdMiniAmmeter
Pocket ammeter for quick debugging
Parts
39| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3, C4, C6 |
| 4 | 4.7k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8, R9, R11, R14 |
| 4 | Jumper_2_Small_Bridged | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1, JP2, JP3, JP4 |
| 3 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4, R16 |
| 2 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R5 |
| 2 | 1990009 | components:PHOENIX_1990009 | J6, J7 |
| 2 | 20k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13, R15 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R7 |
| 2 | Conn_01x01_Pin | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J8, J9 |
| 2 | Conn_01x01_Pin | Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical | J4, J5 |
| 2 | Conn_01x04 | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J2, J3 |
| 1 | 0.1 | Resistor_SMD:R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R1 |
| 1 | 1 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R10 |
| 1 | 100uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | 2.2k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R12 |
| 1 | 47nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5 |
| 1 | ATtiny45V-10X | Package_SO:TSSOP-8_4.4x3mm_P0.65mm | U1 |
| 1 | LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | SolderJumper_3_Open | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm_NumberLabels | JP5 |
| 1 | TLV9062xD | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | USB_C_Receptacle_PowerOnly_24P | Connector_USB:USB_C_Receptacle_HCTL_HC-TYPE-C-16P-01A | J1 |
Questions
How big is the MiniAmmeter PCB?
It measures 57.4 × 27.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MiniAmmeter use?
39 parts, built around the ATTINY45V-10XU. 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 MiniAmmeter KiCad files?
From the PocketConcepts/MiniAmmeter repository on GitHub, at the commit this page was made from: the board is HW/MiniAmmeter/MiniAmmeter.kicad_pcb and its schematic HW/MiniAmmeter/MiniAmmeter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the MiniAmmeter design in my own project?
Its repository states no licence, so its author keeps all rights: ask PocketConcepts before reusing the design.
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