I2C

196 boards

KiCad boards from 85 GitHub repositories tagged “i2c”, the most starred first; open any of them in PCBKit.

2 layers108.5 × 34.5 mm
PCB board and schematic
iceyaseen/fpga-bus-identifier
An I2C, UART, and 1-Wire identifier for unknown 3-4 pin components, built on a Tang Nano 9K FPGA and a Python host app. PCB design included.
19 partsMIT
2 layers38 × 35 mm
STM32 Messgeraet
ijafarov7/stm32-klima-messgeraet
Temperatur- und Feuchte-Messgerät mit STM32F103, SHT40 und OLED (C/HAL, KiCad)
19 parts
2 layers47.4 × 28.3 mm
05 a radio
ItzzInfinity/FM-Radio-Using-ESP-12E-and-RDA5807M
An FM radio receiver built using an ESP12E, interfaced with the RDA5807M module. Powered by a Li-Ion battery with a TP4056 charging module, amplified by a PAM8403, and output through a 10-watt speaker.
15 partsMIT
2 layers101 × 61.4 mm
Weather
jordan336/weather
Cortex-M0 Embedded Weather Station with Soil Moisture Monitoring
74 parts
2 layers55 × 70 mm
Pocket pet
kondovskii/pocket-pet
Battery-powered handheld virtual pet on a custom 2-layer STM32L433 PCB. FreeRTOS, hand-written SSD1306 and LIS3DH drivers, wake-on-motion.
38 parts
4 layers25.4 × 25.4 mm
STUSB4500 Breakout
makeristic/STUSB4500_Breakout
KiCad USB-C Power Delivery sink breakout using STUSB4500, with STEMMA QT I2C, screw-terminal output and RGB indication. Work in progress.
34 partsCC-BY-4.0
2 layers60.8 × 70.9 mm
OLED01
mlab-modules/OLED01
OLED module with SSD1306 controller, I2C interface level shifter, integrated buzzer, touchscreen, and LEDs.
54 partsGPL-3.0
2 layers40 × 30 mm
2525020210002 breakout
myles-parfeniuk/wsen_hids_breakout
Breakout board for Würth Elektronik 2525020210002 humidty w/ integrated temperature sensor IC.
17 partsGPL-3.0
2 layers40 × 28.8 mm
Stm32-i2c board
StratakisStavros/Microcontroller-Projects
STM32 PCB design and Arduino instrumentation: KiCad sources, design verification, manufacturing exports, serial visualization and data logging.
32 parts
4 layers24.9 × 20 mm
USB UART Converter ch32x033
svddevelop/x033_Converter_CDC_UART_SPI_I2C_PIN
CH32X033 as a USB multitool that allows you to configure pin, UART, SPI, and I2C settings through a terminal.
9 parts
2 layers27.9 × 15.2 mm
Barometer Pi Module
vintlabs/MS5607-Barometer-Altimeter
I2C or SPI Interface Barometric Pressure Module (Hardware)
13 partsGPL-3.0
4 layers52 × 57.8 mm
ZED F9P
Will946/GNSS
u-blox ZED-F9P RTK GNSS breakout board with dual-band L1/L2 reception and centimeter-level positioning accuracy.
65 partsMIT
2 layers64 × 46.5 mm
Polariser drive
WillMatthews/esp-i2c-titan
nodemcu breakout board and software to drive an overview titan
17 partsUnlicense
2 layers18 × 16.8 mm
24LCXXX
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
17 parts56Apache-2.0
2 layers17.5 × 22.6 mm
ADS1X15
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
20 parts56Apache-2.0
2 layers25.4 × 17.8 mm
ADS1X15
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
23 parts56Apache-2.0
2 layers18 × 20.2 mm
ADXL32X
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
15 parts56Apache-2.0
2 layers18 × 22.6 mm
ADXL345
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
24 parts56Apache-2.0
2 layers25.4 × 17.8 mm
APDS-9960
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
26 parts56Apache-2.0
2 layers17.8 × 25.4 mm
ATTiny85
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
30 parts56Apache-2.0
2 layers17.8 × 22.9 mm
ATTinyX12
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
27 parts56Apache-2.0
2 layers30.5 × 17.8 mm
ATTinyX14
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
29 parts56Apache-2.0
2 layers38.1 × 17.8 mm
ATTinyX16
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
32 parts56Apache-2.0
2 layers43.2 × 17.8 mm
ATTinyX17
vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
33 parts56Apache-2.0