Arduino ir relay
danshick·arduino-ir-relay
About the Arduino ir relay PCB
Arduino ir relay is an open source AVR/Arduino PCB design by danshick, published on GitHub. It is a 2-layer board measuring 55.9 × 69.9 mm, with 16 components from 11 distinct parts.
Its main chip is the ATMEGA328P-PU, from the AVR/Arduino family. By type, the board carries 5 connectors, 4 capacitors, 2 resistors and 1 diode.
It belongs with the sensors designs in this gallery.
From the project
Schematic, PCB, custom footprints, plots, and code for an arduino based remote control relay rig
Kicad --- Kicad files for schematic, PCB, footprints, and gerber/drill files for the project
PlatformIO --- code folder contains PlatformIO project for compatible arduino code

Arduino ir relay bill of materials (BOM)
16 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Screw_Terminal_01x02 | TerminalBlock_RND_205-00067_1x02_P7.50mm_Horizontal | J0 |
| 4 | Conn_02x03_Row_Letter_First | Pin_Header_Straight_2x03_Pitch2.54mm | J1, J2, J3, J4 |
| 1 | ATMEGA328P-PU | DIP-28_W7.62mm_Socket | ATMEGA1 |
| 1 | 16Mhz | Crystal_HC49-U_Vertical | CLK1 |
| 1 | TSOP343xx | IRReceiver_Vishay_CAST-3pin | IR1 |
| 1 | L7805 | TO-220-3_Vertical | VREF1 |
| 1 | LED | LED_D5.0mm | D1 |
| 2 | 10u | C_Disc_D3.0mm_W1.6mm_P2.50mm | C1, C2 |
| 2 | 22p | C_Disc_D3.0mm_W1.6mm_P2.50mm | C3, C4 |
| 1 | 220 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1 |
| 1 | 10k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2 |
Arduino ir relay design files
The KiCad project lives in the danshick/arduino-ir-relay repository on GitHub; these links point at the commit this page was built from.
Arduino ir relay: common questions
What microcontroller does the Arduino ir relay use?
The Arduino ir relay is built around the ATMEGA328P-PU, from the AVR/Arduino family.
How big is the Arduino ir relay PCB?
The Arduino ir relay measures 55.9 × 69.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Arduino ir relay?
16 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the Arduino ir relay design files?
From the danshick/arduino-ir-relay repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Arduino ir relay design in my own project?
The repository has no license, so all rights stay with danshick. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Arduino ir relay 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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