Attiny light
About the Attiny light PCB
Attiny light is an open source AVR/Arduino PCB design by amnessa, published on GitHub. It is a 2-layer board measuring 33 × 33 mm, with 27 components from 17 distinct parts.
Its main chip is the ATtiny85V-10P, from the AVR/Arduino family. Other key parts include the TP4056-42-ESOP8 and DW01A. By type, the board carries 8 resistors, 4 diodes, 4 capacitors, 3 ICs, 3 transistors and 2 connectors.
Main components on the Attiny light
Attiny light bill of materials (BOM)
27 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TP4056-42-ESOP8 | SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm_ThermalVias | U1 |
| 1 | DW01A | SOT-23-6 | U2 |
| 1 | ATtiny85V-10P | DIP-8_W7.62mm | U3 |
| 1 | FS8205A | TSSOP-8_3x3mm_P0.65mm | Q1 |
| 2 | AO3400A | SOT-23 | Q2, Q3 |
| 1 | USB_C_Receptacle_PowerOnly_6P | USB_C_Receptacle_GCT_USB4125-xx-x-0190_6P_TopMnt_Horizontal | J1 |
| 1 | Conn_02x03_Odd_Even | PinHeader_2x03_P2.54mm_Vertical | J2 |
| 1 | SW_Push | SW_Tactile_SPST_NO_Straight_CK_PTS636Sx25SMTRLFS | SW1 |
| 1 | BATT+ | SolderWirePad_1x01_SMD_1x2mm | TP1 |
| 1 | BATT- | SolderWirePad_1x01_SMD_1x2mm | TP2 |
| 4 | LED | LED_PLCC_2835_Handsoldering | D1, D2, D3, D4 |
| 2 | 10microFarad | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2 |
| 2 | 0.1microFarad | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C4 |
| 2 | 5.1kR | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2 |
| 1 | 1.2kR | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
| 3 | 1kR | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R5, R6 |
| 2 | 10kR | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7, R8 |
Attiny light design files
The KiCad project lives in the amnessa/KiCAD repository on GitHub; these links point at the commit this page was built from.
Attiny light: common questions
What microcontroller does the Attiny light use?
The Attiny light is built around the ATtiny85V-10P, from the AVR/Arduino family.
How big is the Attiny light PCB?
The Attiny light measures 33 × 33 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Attiny light?
27 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the Attiny light design files?
From the amnessa/KiCAD repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Attiny light design in my own project?
The repository has no license, so all rights stay with amnessa. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Attiny light 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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