2 layers57 × 73 mm
DJI RC N1 ESP32
martonmiklos/DJI_RC_N1_ESP32
Replacement PCB to the DJI RC-N1 remote based on an ESP32
62 parts
2 layers35 × 117.7 mm
Handifinder
m1geo/handifinder4KiCad 5.1 design of the HANDI-Finder Project
- Size
- 35 × 117.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 18
- Pads
- 101
- Tracks, vias
- 209, 152
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 18 May 2022
- Updated
- 18 May 2022
Overview
Handifinder is an open-source printed circuit board by m1geo, from the m1geo/handifinder repository on GitHub. It is a 2-layer board of 35 × 117.7 mm with 25 parts on 18 nets, routed with 209 tracks and 152 vias.
It is built around the JS203011CQN. Its parts include 8 capacitors, 6 resistors, 2 diodes, 1 IC and 1 connector.
Main components
1README
README.mdHandi-Finder
This repository is a KiCad 5.1 design of the published Handi-Finder DF project.
The Handi-Finder Project is a radio direction finder, which connectso to an existing radio receiver such as a hand-held radio, and adds some direction finding capabiltiy to it.
The device works by switching between the two wire antennas mounted on H1 and H2 on the PCB. When the two antennas are directly lined towards the source of transmission, the arriving signal is in phase between both antennas. When the Handi-Finder is held non-squarely toward the signal source, the phase difference between the two wire antennas causes the switching frequency (here, approximately 1 kHz) to be audiable with loudness proportional to phase difference.
There are many resources online for this project, with some links here:
The outputs folder contains the Gerber files which can be zipped up and sent for manufacture at your chosen board-house.
3D View
Schematic
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R4, R5, R6 |
| 6 | 1nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C4, C5, C6, C7, C8 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2, H3, H4 |
| 2 | 1N4148 | Diode_SMD:D_SOD-123 | D1, D2 |
| 1 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2 |
| 1 | 22nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | 4047 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | 9V | handifinder_footprints:BH9VPC | BT1 |
| 1 | Conn_Coaxial | Connector_Coaxial:SMA_Amphenol_132134_Vertical | J1 |
| 1 | JS203011CQN | handifinder_footprints:JS-DP3T | S1 |
| 1 | OSC_F | TestPoint:TestPoint_Pad_D2.5mm | TP1 |
Questions
How big is the Handifinder PCB?
It measures 35 × 117.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Handifinder use?
25 parts, built around the JS203011CQN. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Handifinder KiCad files?
From the m1geo/handifinder repository on GitHub, at the commit this page was made from: the board is KiCad Design/handifinder.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Handifinder design in my own project?
Its repository states no licence, so its author keeps all rights: ask m1geo before reusing the design.
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