Fishping
About the Fishping PCB
Fishping is an open source Nordic nRF PCB design by DjukicAleksej, published on GitHub under the MIT license. It is a 2-layer board measuring 44.2 × 44.2 mm, with 10 components from 9 distinct parts.
Its main chip is the XIAO-nRF52840-SMD, from the Nordic nRF family. Other key parts include the LIS3DH. By type, the board carries 3 resistors, 2 ICs, 2 capacitors, 1 connector, 1 switch and 1 diode.
It belongs with the iot & wireless designs in this gallery.
From the project
FishPing is a smart fishing float made by me, Aleksej, a 17 year old from Bosnia and Herzegovina. It is a custom hardware project with a 3D printed float body, a custom PCB, a Seeed Studio XIAO nRF52840, and a LIS3DH accelerometer that can detect when a fish pulls on the float.
FishPing is a smart fishing float made by me, Aleksej, a 17 year old from Bosnia and Herzegovina. It is a custom hardware project with a 3D printed float body, a custom PCB, a Seeed Studio XIAO nRF52840, and a LIS3DH accelerometer that can detect when a fish pulls on the float.
The idea is simple: sometimes when you are fishing you look away for a second, talk to someone, check your phone, or just miss a small bite. FishPing watches the movement of the float and sends a BLE alert to your phone, where a small webpage shows the bite count, the time between bites, battery info, and an alarm.
Main components on the Fishping
Fishping bill of materials (BOM)
10 components, 9 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LIS3DH | LGA-16_3x3mm_P0.5mm_LayoutBorder3x5y | U1 |
| 1 | XIAO-nRF52840-SMD | XIAO-nRF52840-SMD | U2 |
| 1 | Conn_01x02 | JST_PH_B2B-PH-SM4-TB_1x02-1MP_P2.00mm_Vertical | J1 |
| 1 | SW_SPST | SW_Slide_SPDT_Straight_CK_OS102011MS2Q | SW1 |
| 1 | LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | 1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2 |
| 2 | 4.7k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2 |
| 1 | 220 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5 |
Fishping design files
The KiCad project lives in the DjukicAleksej/fishping repository on GitHub; these links point at the commit this page was built from.
Fishping: common questions
What microcontroller does the Fishping use?
The Fishping is built around the XIAO-nRF52840-SMD, from the Nordic nRF family.
How big is the Fishping PCB?
The Fishping measures 44.2 × 44.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Fishping?
10 components, from 9 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 Fishping design files?
From the DjukicAleksej/fishping repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Fishping design in my own project?
Yes, under the terms of its MIT license, which DjukicAleksej chose for the repository.
Can I test firmware for the Fishping without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Nordic nRF firmware against it before you order a PCB.
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