Top User Projects
Explore innovation and practical design in Flux.ai's top user projects. This collection highlights outstanding printed circuit board (PCB) projects crafted by our community members. Featuring a range of complexities and applications, these projects showcase the real-world potential and diversity of PCB design. The top user projects section is an invaluable resource for inspiration and learning. Whether you’re a veteran PCB designer seeking fresh ideas or a newcomer aiming to understand various design strategies, these projects offer a wealth of knowledge and insight into the dynamic world of PCB design. By highlighting the achievements of our community, the top user projects stand as a testament to the innovative spirit and collaborative nature of Flux.ai’s users, fostering a culture of knowledge sharing and continuous advancement in the field of electronics design.
ESP32-C3 ADS1115 pH ORP Sensor Interface 4412
3.3 V-powered pH and ORP probe interface using an ADS1115 module, MCP6002 through-hole buffers, and DS18B20 temperature sensing. External ESP32 connection is through one 5-pin header carrying 3V3, GND, SDA, SCL, and DQ; ADS1115 ADDR is fixed locally and ALERT is unused.
0 Uses1 StarsICS-43434
60 Hz ~ 20 kHz Digital, I²S Microphone MEMS (Silicon) 1.65V ~ 3.63V Omnidirectional (-26 ±1dB @ 94dB SPL) Solder Pads MEMS Digital Microphone providing high-performance audio capture with a 24-bit I²S digital output. It operates from a 1.62 V to 3.63 V supply, features 65 dBA SNR, 120 dB SPL acoustic overload point, -26 dBFS sensitivity, and supports audio sampling rates from 23.3 kHz to 51.6 kHz. Packaged in a compact 3.50 × 2.65 × 0.98 mm surface-mount package. #MEMSMicrophone #DigitalMicrophone #I2S #24Bit #AudioSensor #TDKInvenSense #SurfaceMount #commonpartslibrary #audio #microphone #digital
384 Uses1 StarsESP32-P4NRW32
QFN-104(10x10) Microcontrollers RoHS Wireless microcontroller module for embedded processing and wireless communication, designed to provide integrated compute and RF connectivity for IoT applications. #ESPRESSIF #MCUModule #WirelessModule #IoT #CommonPartsLibrary #IntegratedCircuit #microcontroller
161 Uses1 StarsWiFi Door and Window Sensor
A compact battery-powered door/window sensor built around the ESP32-C3-MINI-1-N4 module. The design uses a single non-rechargeable AA cell with a TPS613221A 3.3 V boost regulator, reed switch magnetic contact sensing, low-power wake/report/sleep firmware strategy, RGB status LED for setup feedback, BOOT/EN controls, programming header, and input polarity protection. It is intended for smart-home security and automation applications, supporting WiFi or Bluetooth LE hub reporting with emphasis on low idle current, reliable RF burst power delivery, and field-replaceable battery operation. #ESP32-C3 #BLE #WiFi #DoorSensor #WindowSensor #ReedSwitch #LowPower #BatteryPowered #SmartHome #IoT
0 Uses1 StarsSTM32G030F6P6
Microcontroller – 32-bit ARM® Cortex®-M0+ microcontroller operating at up to 64 MHz, featuring 32 KB Flash memory, 8 KB SRAM, and 17 programmable I/O pins. Operates from a 2.0 V to 3.6 V supply and integrates a 13-channel 12-bit ADC, internal and external oscillator support, and communication interfaces including I²C, SPI, UART/USART, IrDA, LIN, and SmartCard. Includes DMA, I²S, PWM, power-on reset (POR), and watchdog timer (WDT) peripherals. Housed in a 20-pin TSSOP package. #STMicroelectronics #STM32 #STM32G030F6P6 #Microcontroller #ARMCortexM0Plus #32BitMCU #64MHz #32KBFlash #8KBSRAM #ADC #I2C #SPI #UART #LIN #SmartCard #TSSOP20 #EmbeddedSystems
74 Uses1 StarsNRF52840-QIAA-R
32-bit ARM® Cortex®-M4F wireless microcontroller with 2.4 GHz multi-protocol radio supporting Bluetooth® 5, Bluetooth mesh, Thread, Zigbee®, IEEE 802.15.4, ANT, and proprietary 2.4 GHz protocols. Features 1 MB Flash, 256 KB RAM, 48 GPIOs, and integrated USB 2.0 (Full-Speed), I²C, I²S, SPI, UART, and QSPI interfaces. Operates from a 1.7 V to 5.5 V supply, provides up to +8 dBm transmit power, −96 dBm receiver sensitivity, supports data rates up to 2 Mbps, and is housed in a 73-pin aQFN (7 × 7 mm) package. #NordicSemiconductor #nRF52840 #NRF52840QIAAR #WirelessMCU #Bluetooth5 #BluetoothMesh #Thread #Zigbee #IEEE802154 #ANT #ARMCortexM4F #2_4GHz #USB #SPI #I2C #UART #QSPI #EmbeddedSystems
248 Uses1 Stars