Tunnel-IR-barrier
About the Tunnel-IR-barrier PCB
Tunnel-IR-barrier is an open source AVR/Arduino PCB design by atuleu, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 10 × 50 mm, with 17 components from 10 distinct parts.
Its main chip is the ATtiny204-SS, from the AVR/Arduino family. Other key parts include the GP2S700HCP. By type, the board carries 4 ICs, 4 transistors, 4 resistors, 3 connectors and 2 capacitors.
From the project
Yet another Open Source Hardware Apiary project for monitoring bees.
Main components on the Tunnel-IR-barrier
Tunnel-IR-barrier bill of materials (BOM)
17 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATtiny204-SS | SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 3 | GP2S700HCP | Sharp_GP2S700HCP | U2, U3, U4 |
| 3 | RE1C002UN | SOT-416 | Q1, Q2, Q3 |
| 1 | RE1C001ZP | SOT-416 | Q4 |
| 2 | SM05B-SRSS-TB JST SH 5 | JST_SH_BM05B-SRSS-TB_1x05-1MP_P1.00mm_Vertical | J1, J2 |
| 1 | SM03B-SRSS-TB JST SH 2 | JST_SH_SM03B-SRSS-TB_1x03-1MP_P1.00mm_Horizontal | J4 |
| 1 | GRM1885C1H222JA01D 2n2 | C_0603_1608Metric | C1 |
| 1 | CL10B104KB8NNWC 100n | C_0603_1608Metric | C4 |
| 3 | RC0603FR-07470RL 470 | R_0603_1608Metric | R1, R3, R5 |
| 1 | RC0603FR-07820RL 820 | R_0603_1608Metric | R2 |
Tunnel-IR-barrier design files
The KiCad project lives in the atuleu/aristeus repository on GitHub; these links point at the commit this page was built from.
Tunnel-IR-barrier: common questions
What microcontroller does the Tunnel-IR-barrier use?
The Tunnel-IR-barrier is built around the ATtiny204-SS, from the AVR/Arduino family.
How big is the Tunnel-IR-barrier PCB?
The Tunnel-IR-barrier measures 10 × 50 mm, has 2 copper layers and is 1 mm thick.
How many components are on the Tunnel-IR-barrier?
17 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Tunnel-IR-barrier design files?
From the atuleu/aristeus repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Tunnel-IR-barrier design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which atuleu chose for the repository.
Can I test firmware for the Tunnel-IR-barrier 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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