Tiny4FSKGeneralShield
mpkendall·Tiny4FSK-Ecosystem·Tiny4FSKGeneralShield/Tiny4FSKGeneralShield.kicad_pcb
About the Tiny4FSKGeneralShield PCB
Tiny4FSKGeneralShield is an open source PCB design by mpkendall, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 27.9 × 63.9 mm, with 33 components from 27 distinct parts.
Other key parts include the C891320 and C48567. By type, the board carries 15 connectors, 8 resistors, 7 capacitors, 2 ICs and 1 inductor.
It belongs with the sensors, dev boards & breakouts and power & battery designs in this gallery.
From the project
Set of expansion boards, sensor breakouts, and additional modules to operate with the Tiny4FSK tracking system.
Code in the Tiny4FSK repository already implements automatic sensor, SD card, and screen scanning and initialization. Functions pertaining to these features are configurable in both config.h and the main Tiny4FSK.ino file.
To get started, solder female headers to the 2.54mm pins on the back side of the shield. To interface with the Tiny4FSK board, additionally solder 2.54mm male header rows to the USB, power, and data headers on the Tiny4FSK. Mounting them for alignment may assist with soldering.

Main components on the Tiny4FSKGeneralShield
Tiny4FSKGeneralShield bill of materials (BOM)
33 components, 27 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C891320 FXMA108 | WQFN-20-1EP_2.5x4.5mm_P0.5mm_EP1x2.9mm | U1 |
| 1 | C48567 TPS63060 | Texas_S-PWSON-N10_ThermalVias | U3 |
| 1 | C719027 Micro_SD_Card | microSD_HC_Hirose_DM3D-SF | J1 |
| 1 | C2760486 USB_C_Receptacle_USB2.0_14P | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J2 |
| 1 | TinyI2C | PinSocket_1x04_P2.54mm_Vertical | J3 |
| 1 | TinyGPIO | PinSocket_1x09_P2.54mm_Vertical | J4 |
| 1 | C51940130 Ext.BME280 | JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J5 |
| 1 | TinySPI | PinSocket_1x05_P2.54mm_Vertical | J6 |
| 1 | TinyPwr | PinSocket_1x03_P2.54mm_Vertical | J7 |
| 1 | TinyUSB | PinSocket_1x04_P2.54mm_Vertical | J8 |
| 1 | C442222 Ext.Pwr | HX20007-2AWB | J9 |
| 1 | C160405 Ext.IMU | JST_SH_SM06B-SRSS-TB_1x06-1MP_P1.00mm_Horizontal | J10 |
| 1 | C160402 Ext.Photo | JST_SH_SM02B-SRSS-TB_1x02-1MP_P1.00mm_Horizontal | J11 |
| 1 | Int.OLED | PinHeader_1x04_P2.54mm_Vertical | J12 |
| 1 | Int.Pwr | PinHeader_1x03_P2.54mm_Vertical | J15 |
| 1 | 3v3 IO | PinHeader_1x15_P2.54mm_Vertical | J16 |
| 1 | 5V IO | PinHeader_1x15_P2.54mm_Vertical | J17 |
| 1 | C842935 1uH | IND_SRP4020FA-1R0M | L1 |
| 1 | C1525 100nF | C_0402_1005Metric | C3 |
| 1 | C32949 10pF | C_0402_1005Metric | C4 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | C15525 10uF | C_0402_1005Metric | C5, C6 |
| 3 | C59461 22uF | C_0603_1608Metric | C7, C8, C9 |
| 2 | C25905 5.1kR | R_0402_1005Metric | R1, R2 |
| 2 | C11702 1kR | R_0402_1005Metric | R3, R5 |
| 2 | C4109 2kR | R_0402_1005Metric | R4, R6 |
| 1 | C26083 1M | R_0402_1005Metric | R7 |
| 1 | C865144 111kR | R_0805_2012Metric | R9 |
Tiny4FSKGeneralShield design files
The KiCad project lives in the mpkendall/Tiny4FSK-Ecosystem repository on GitHub; these links point at the commit this page was built from.
Tiny4FSKGeneralShield: common questions
How big is the Tiny4FSKGeneralShield PCB?
The Tiny4FSKGeneralShield measures 27.9 × 63.9 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Tiny4FSKGeneralShield?
33 components, from 27 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 Tiny4FSKGeneralShield design files?
From the mpkendall/Tiny4FSK-Ecosystem repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Tiny4FSKGeneralShield design in my own project?
Yes, under the terms of its GPL-3.0 license, which mpkendall chose for the repository.
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