Arduino-Wi-Fi-Signal-Strength-Tool
rajsinghtech·Arduino-Wi-Fi-Signal-Strength-Tool·KiCad/Project2.kicad_pcb
About the Arduino-Wi-Fi-Signal-Strength-Tool PCB
Arduino-Wi-Fi-Signal-Strength-Tool is an open source AVR/Arduino PCB design by rajsinghtech, published on GitHub. It is a 4-layer board measuring 123.1 × 54.4 mm, with 28 components from 10 distinct parts.
Its main chip is the ATmega328P, from the AVR/Arduino family. Other key parts include the ESP8266, WC1602A and LM317. By type, the board carries 10 diodes, 10 capacitors, 4 ICs, 2 resistors, 1 connector and 1 switch.
It belongs with the iot & wireless designs in this gallery.
From the project
Custom Arduino PCB that is designed to scan for Wi-Fi signals

Main components on the Arduino-Wi-Fi-Signal-Strength-Tool
Arduino-Wi-Fi-Signal-Strength-Tool bill of materials (BOM)
28 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATmega328P | DIP-28_W7.62mm | U1 |
| 1 | ESP8266 | XCVR_ESP8266-01_ESP-01 | U2 |
| 1 | WC1602A | WC1602A | U3 |
| 1 | LM317 | TO-220-3_Vertical | U4 |
| 1 | USB C | USB_C_Receptacle_GCT_USB4085 | J1 |
| 1 | B3F-1000 | SW_B3F-1000 | S1 |
| 10 | WS2812B | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1, D2, D3, D4, D5, D6, D7, D8 +2 |
| 10 | .01uf | CAPC2012X140N | C1, C2, C3, C4, C5, C6, C7, C8 +2 |
| 1 | 470 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 1 | 680 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
Arduino-Wi-Fi-Signal-Strength-Tool design files
The KiCad project lives in the rajsinghtech/Arduino-Wi-Fi-Signal-Strength-Tool repository on GitHub; these links point at the commit this page was built from.
- LayoutKiCad/Project2.kicad_pcb
- SchematicKiCad/Project2.kicad_sch
Arduino-Wi-Fi-Signal-Strength-Tool: common questions
What microcontroller does the Arduino-Wi-Fi-Signal-Strength-Tool use?
The Arduino-Wi-Fi-Signal-Strength-Tool is built around the ATmega328P, from the AVR/Arduino family.
How big is the Arduino-Wi-Fi-Signal-Strength-Tool PCB?
The Arduino-Wi-Fi-Signal-Strength-Tool measures 123.1 × 54.4 mm, has 4 copper layers and is 0.7912 mm thick.
How many components are on the Arduino-Wi-Fi-Signal-Strength-Tool?
28 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Arduino-Wi-Fi-Signal-Strength-Tool design files?
From the rajsinghtech/Arduino-Wi-Fi-Signal-Strength-Tool repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Arduino-Wi-Fi-Signal-Strength-Tool design in my own project?
The repository has no license, so all rights stay with rajsinghtech. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Arduino-Wi-Fi-Signal-Strength-Tool 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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