Proximity Sensor Mother Board
About the Proximity Sensor Mother Board
Proximity Sensor Mother Board is an open source AVR/Arduino PCB design by eigenpi, published on GitHub. It is a 2-layer board measuring 33 × 88.9 mm, with 40 components from 23 distinct parts.
Its main chip is the ATMEGA328P, from the AVR/Arduino family. Other key parts include the Mux2X, LDO, Clk Gen and LDC. By type, the board carries 14 capacitors, 11 resistors, 5 ICs, 4 diodes, 1 crystal and 1 switch.
It belongs with the sensors designs in this gallery.
From the project
Proximity Sensor Design (PCB hardware, Embedded C software)
--Single LC tank, 7 turns ProximityTankOne_Square7Turns/
--Dual LC tank, 14 turns each ProximityTankTwo_V1/
Main components on the Proximity Sensor Mother Board
Proximity Sensor Mother Board bill of materials (BOM)
40 components, 23 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Mux2X | SOP50P490X110-10N | U1 |
| 1 | LDO | SOT-753 | U2 |
| 1 | Clk Gen | SOIC127P600X175-8N | U3 |
| 1 | LDC | TPS74901DRCR | U4 |
| 1 | ATMEGA328P | TQFP32-08 | U5 |
| 1 | 8MHz | CSTNE8M00G55A000R0 | Y1 |
| 1 | 1 | STANDOFF_GROUNDING | H1 |
| 1 | 2 | STANDOFF_GROUNDING | H2 |
| 1 | 3 | STANDOFF_GROUNDING | H3 |
| 1 | 4 | STANDOFF_GROUNDING | H4 |
| 1 | RST | TL3305AF160QG | S2 |
| 2 | DIODE | D_SOD-323_HandSoldering | D1, D2 |
| 1 | Red | LED_1206_3216Metric | D3 |
| 1 | Yellow | LED_1206_3216Metric | D4 |
| 2 | 47uF | CP_Elec_5x4.5 | C1, C3 |
| 4 | 10nF | C_1210_3225Metric_Pad1.42x2.65mm_HandSolder | C2, C6, C9, C13 |
| 7 | 100nF | C_1210_3225Metric_Pad1.42x2.65mm_HandSolder | C4, C5, C7, C8, C10, C11, C14 |
| 1 | 15nF | C_1210_3225Metric_Pad1.42x2.65mm_HandSolder | C12 |
| 3 | 1K | R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R1, R8, R9 |
| 5 | 4.7K | R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R2, R6, R7, R10, R11 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 0 | R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R3 |
| 1 | 10K | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4 |
| 1 | 1M | R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R5 |
Proximity Sensor Mother Board design files
The KiCad project lives in the eigenpi/Proximity-Sensor repository on GitHub; these links point at the commit this page was built from.
Proximity Sensor Mother Board: common questions
What microcontroller does the Proximity Sensor Mother Board use?
The Proximity Sensor Mother Board is built around the ATMEGA328P, from the AVR/Arduino family.
How big is the Proximity Sensor Mother Board?
The Proximity Sensor Mother Board measures 33 × 88.9 mm, has 2 copper layers and is 1.6002 mm thick.
How many components are on the Proximity Sensor Mother Board?
40 components, from 23 distinct parts. The full bill of materials is listed on this page.
Where can I download the Proximity Sensor Mother Board design files?
From the eigenpi/Proximity-Sensor repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Proximity Sensor Mother Board design in my own project?
The repository has no license, so all rights stay with eigenpi. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Proximity Sensor Mother Board 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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