RHS 3 Simple
About the RHS 3 Simple PCB
RHS 3 Simple is an open source AVR/Arduino PCB design by pa-pa, published on GitHub. It is a 2-layer board measuring 21 × 99.5 mm, with 35 components from 21 distinct parts.
Its main chip is the ATMEGA328P-A, from the AVR/Arduino family. Other key parts include the CC1101 and TLE4913. By type, the board carries 12 capacitors, 7 resistors, 5 ICs, 5 connectors, 2 switches and 2 diodes.
Main components on the RHS 3 Simple
RHS 3 Simple bill of materials (BOM)
35 components, 21 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATMEGA328P-A | TQFP-32_7x7mm_P0.8mm | IC1 |
| 1 | CC1101 | CC1101_Module | IC2 |
| 3 | TLE4913 | SOT-23 | U1, U2, U3 |
| 1 | Crystal_Small | Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1 |
| 1 | Glass Breakage Detector | PinHeader_2x01_P2.00mm_Vertical_SMD | J1 |
| 1 | ANT | Pin_D1.0mm_L10.0mm | J2 |
| 1 | ISP Bottom | ISP_Side | P4 |
| 1 | ISP Top | ISP_Side | P5 |
| 1 | ISP 10 | PinHeader_2x05_P2.00mm_Vertical_SMD | P7 |
| 1 | Battery | CR2477_Surface_Mount | BT1 |
| 1 | Reset | MicroSwitch_3x4 | SW1 |
| 1 | Config | MicroSwitch_3x4 | SW2 |
| 1 | C84256 LED Red | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | C2297 LED Green | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 3 | 100N 100n | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C2, C3 |
| 3 | 10N 10n | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C4, C5, C6 |
| 4 | 10P 10p | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C8, C9, C10, C13 |
| 2 | 9p | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C11, C12 |
| 1 | 10K 10k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1 |
| 2 | 1K5 1k5 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2, R3 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | 1M | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4, R5, R6, R7 |
RHS 3 Simple design files
The KiCad project lives in the pa-pa/HB-Sec-RHS-3 repository on GitHub; these links point at the commit this page was built from.
RHS 3 Simple: common questions
What microcontroller does the RHS 3 Simple use?
The RHS 3 Simple is built around the ATMEGA328P-A, from the AVR/Arduino family.
How big is the RHS 3 Simple PCB?
The RHS 3 Simple measures 21 × 99.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the RHS 3 Simple?
35 components, from 21 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the RHS 3 Simple design files?
From the pa-pa/HB-Sec-RHS-3 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the RHS 3 Simple design in my own project?
The repository has no license, so all rights stay with pa-pa. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the RHS 3 Simple 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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