OctoPower
... show moreOctoPower is a monitoring hardware, it provides an end-to-end electricity monitoring solution perfect for monitoring home consumption, solar generation or any AC electrical circuit for that matter.Key features :- 8x clip-on CT current sensor
- Full Real/Active power measurement & continuous sampling.
- Cumulative energy persisted on reboot.
- Wifi (with WPS) and Ethernet support
- It send all data on mqtt topic
- It can be configurable mqtt topics, calibration, enable/disable wifi over a mqtt api
- Upgrade firmware over local network
17 Comments
3 Stars
Arduino Force Units Connection Shield
... show moreAn I2C extension shield with 6 shielded ethernet ports and a TCA9548 breakout board.This board is for the target side, any microcontroller with a standard Arduino header can use it. With proper target side hardware and an SSTP ethernet cable, the board provides robust i2c communication over 10ft(could be longer, haven't tested it yet) with a bitrate of 400kHz under a noisy environment( near motors, power cables, switches, etc).The shield board provides power to the target side and can power the i2c device. The board also supports drdy trigger, which is available on many i2c sensors. The TCA9548 breakout board is for a scenario in which all of your i2c devices have the same address.45 Comments
1 Star
WIZ550 board
... show moreSimple Ethernet board used WIZ550 with real MAC address and configures the network setting automatically.1 Comment
1 Star
Brainstorm a new project with AI [Example]
... show moremake this for me nowDevice Summary & Specification Sheet1. OverviewA rugged, Arduino-Uno-and-Raspberry-Pi-style single-board micro-PC featuring:- Smartphone-class CPU (Snapdragon 990)
- USB-C Power Delivery + 4×AA alkaline backup + ambient-light harvester
- On-board Arduino-Uno-compatible ATmega328P
- External NVMe SSD via USB3 bridge & optional Thunderbolt 3 eGPU support
- 5× USB 3.0 ports, HDMI in/out, Gigabit Ethernet & SFP fiber, Wi-Fi, Bluetooth, LoRa
- 0.96″ OLED status display, 3.5 mm audio jack with codec
2. Key Specifications
Category Specification CPU Snapdragon 990, octa-core up to 2.84 GHz Memory 6 GB LPDDR4x DRAM Storage Interface PCIe Gen3 ×4 → M.2 NVMe + USB 3.1 Gen1 bridge MCU ATmega328P (Arduino-Uno-compatible) Power Input USB-C PD up to 20 V/5 A; 4×AA alkaline backup; ambient-light photodiode boost Power Rails 12 V, 5 V, 3.3 V, 1.8 V, 1.2 V via buck/buck-boost regulators USB Hub 5× USB 3.0 downstream ports Display 0.96″ 128×64 OLED via I²C/SPI Networking 1 × Gigabit RJ45; 1 × SFP fiber; Wi-Fi 802.11ac + Bluetooth; LoRa SX1276 Video I/O HDMI 2.0 input (RX) & output (TX) Audio 3.5 mm jack + TLV320AIC3101 codec; Bluetooth audio Form Factor Raspberry Pi–style header + Arduino-Uno shield headers; 4× standoff mounts
3. Complete Parts List
Part Function Qty Snapdragon 990 Main application CPU 1 LPDDR4x DRAM System memory 1 eMMC 64GB On-board storage 1 M.2 NVMe Connector External SSD interface 1 JMS583 PCIe→USB 3.1 bridge for NVMe 1 Titan Ridge Thunderbolt 3/eGPU controller 1 STUSB4500 USB-C Power-Delivery controller 1 LTC4412 Ideal-diode OR-ing 1 LTC3108 Ambient-light (solar) energy harvester 1 Battery Holder 4×AA Alkaline backup power 1 TPS53318 6 V→5 V synchronous buck regulator 1 MCP1700-3302E/TO 6 V→3.3 V LDO 1 TPS63060 Buck-boost for 12 V rail (eGPU power) 1 ATmega328P Arduino-Uno microcontroller 1 ESP32-WROOM-32 Wi-Fi + Bluetooth co-processor 1 SX1276 LoRa transceiver 1 TUSB8041 5-port USB 3.0 hub IC 1 Ethernet PHY Gigabit Ethernet physical transceiver 1 SFP Cage Fiber-optic SFP module connector 1 TDA19978 HDMI 2.0 receiver (input) 1 TFP410 HDMI 2.0 transmitter (output) 1 TLV320AIC3101 Audio codec for 3.5 mm jack & Bluetooth audio 1 Audio Jack 3.5mm Headphone/mic port 1 SSD1306 OLED Status display 1
4. High-Level Design & Implementation Steps-
Schematic Creation
- Section off blocks: CPU + memory, power-supply, NVMe/USB bridge, MCU, wireless, USB hub, video, audio, I/O headers.
- Place all parts from the list and wire per respective datasheet reference circuits.
-
Power System
- Implement USB-C PD with STUSB4500 → buck/buck-boost & LDO rails.
- Add LTC4412 to OR-ing battery pack into 6 V bus.
- Include LTC3108 harvest input to 6 V bus (no recharge to AA).
- Add decoupling & bulk caps per regulator datasheets; PTC fuses & ESD diodes on inputs.
-
SoC & High-Speed Interfaces
- Break out Snapdragon 990 BGA with DDR4 routing (point-to-point).
- Route PCIe Gen3 lanes to M.2 slot via JMS583 and to Titan Ridge for TB/eGPU.
- Follow high-speed layout guidelines: impedance, length matching, EMI filters.
-
MCU & Expansion Headers
- Place ATmega328P with UNO-style 2.54 mm headers; add ISP 6-pin, I²C pull-ups, reset circuit.
-
Connectivity Blocks
- USB hub: TUSB8041 + ESD + chokes → five USB-A 3.0 ports.
- Ethernet: RJ45 + magnetics + PHY; SFP cage + PHY/SFP interface.
- Wireless: ESP32 module pad + SX1276 + antenna matching; program pads.
-
Video & Audio
- HDMI RX (TDA19978) & TX (TFP410) blocks with TMDS ESD & termination.
- Audio codec + 3.5 mm jack; route differential audio lines; add ESD.
-
Display & Indicators
- SSD1306 OLED on I²C; add pull-ups & backlight power if needed.
- LEDs for power, charge, status.
-
PCB Layout & Mechanical
- Follow Raspberry Pi 2×20 header footprint & UNO shield hole pattern.
- Add reinforcement for rugged use; standoffs at corners.
- Define 4-layer stackup:
• Top: signal
• L2: GND
• L3: PWR
• Bottom: signal
-
DRC/ERC Reviews
- Run ERC for decoupling, pull-ups, power nets.
- Run DRC for high-speed clearance, differential pairs, via aspect ratios.
-
Fabrication & Testing
- Export Gerbers, IPC-2581, BOM.
- Prototype assembly; verify power sequencing, rails, interfaces.
- Functional tests: USB-C PD negotiation, NVMe throughput, eGPU over TB3, wireless comm, audio, OLED.
This spec sheet and part list should guide your Flux schematic and PCB layout workflow through to fabrication and validation. Let me know if you’d like to deep-dive into any specific block or review datasheet details next!1 Star
Ethernet RJ-45 Port Connection
Welcome to your new project. Imagine what you can build here.Yappy Moccasin Wall-E
... show moreSoftware: LinuxPower Requirements: LiPo battery poweredCompliance: RoHSConnectivity: USB, WiFi, Bluetooth, EthernetHuman Interface: Joystick, DisplayOperating Voltage: 3.3V, 5V, 9VOperating Temp: -40 to +85CReliability: 10,000hrs MTBFTarget Cost: $10045 Comments
Force Unit Breakout Board
... show moreAn I2C extension board with LTC4311 bus accelerator and shielded ethernet port.This board is for the target side. With proper controller side hardware and an SSTP ethernet cable, the board provides robust i2c communication over 10ft(could be longer, haven't tested it yet) with a bitrate of 400kHz under a noisy environment( near motors, power cables, switches, etc).The breakout board receives power from the controller side and can power i2c device. The board also supports drdy trigger, which is available on many i2c sensors.11 Comments
STM32F107 custom board
... show morethis is a custom board using the MCU "STM32F107RBTx". the reason why i chose this MCU is because i wanted to implement circuits for ethernet communication, CAN communication and USB communication.10 Comments
Arduino Force Units Connection Shield sDtw
... show moreAn I2C extension shield with 6 shielded ethernet ports and a TCA9548 breakout board.This board is for the target side, any microcontroller with a standard Arduino header can use it. With proper target side hardware and an SSTP ethernet cable, the board provides robust i2c communication over 10ft(could be longer, haven't tested it yet) with a bitrate of 400kHz under a noisy environment( near motors, power cables, switches, etc).The shield board provides power to the target side and can power the i2c device. The board also supports drdy trigger, which is available on many i2c sensors. The TCA9548 breakout board is for a scenario in which all of your i2c devices have the same address.1 Comment
Beneficial Scarlet Translation Collar
... show moreCNC hydraulic press brake controller with STM32H743, ADS1256, 5x DAC8501 ±10V outputs, 3x AD598 LVDT interfaces, isolated 24V digital inputs, 100BASE-TX Ethernet, watchdog, E-stop hardware disable, and 4-layer 220mm x 160mm PCB architecture. Domains: field 24V I/O, precision analog, logic/Ethernet. Safety behavior: E-stop and valve-disable force all analog command outputs to 0V-safe state and disable field enables; watchdog and power-good supervisor reset MCU on comms or rail faults. PCB constraints: L1/L4 signal+components, L2 solid GND, L3 power plane, 1.0mm board inset margin, RJ45 at edge, field connectors on opposite edge, isolation corridor between field wiring and logic/Ethernet, 4x M4 plated mounting holes inset 10mm from corners.
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ESP-farm
... show moreESP-farm: 12‑Slot ESP32 Duino-Coin Mining Backplane with Ethernet and Protected Power Distribution — Power net fixes (12V_IN, STAR_5V, TVS topology) and passive MPN assignments (R38–R41, C1–C8) are complete, ERC is clean, and the design is ready for PCB layoutBrilliant Fuchsia Antigravity Battle Room
... show moreRuggedized Neutrik EtherCON RJ45 Ethernet Interface PCB with ESD ProtectionDisappointed Aqua Liquid Breathing Apparatus
... show morehãy thiết kế 1 schematic jig test 8 cổng Analog (4-20mA), 1 cổng ethernet, 2 cổng USB, 2 Relay, 2 cổng DI, 1 cổng modbus rs-485Common Cyan Tricorder e66a
... show moreConnectivity: USB, Ethernet Domain: space Application: satellite Human interface: Joystick Operating voltage: 3.3V, 9V Operating temperature: -40 to +85C Target cost: $100 Reliability: 10,000 MTBFAT91SAM9260B-CU
... show moreThe Atmel® | SMART SAM9260, manufactured by Atmel, is an ARM-based Embedded Microprocessor Unit (MPU), integrating the ARM926EJ-STM processor operating at 180 MHz. This MPU includes substantial on-chip memory and extensive peripherals, including an Ethernet MAC, USB Device and Host Ports, along with various standard interfaces such as USART, SPI, TWI, Timer Counters, and MultiMedia Card Interface. Architected on a 6-layer matrix delivering a maximum internal bandwidth of six 32-bit buses, it supports external 32-bit bus interfaces for SDRAM, static memories, CompactFlash, and SLC NAND Flash with ECC. The SAM9260 is available in 217-ball LFBGA and 208-pin PQFP packages. Key features include 8 Kbytes each of data and instruction cache, integrated MMU, two internal 4-Kbyte SRAMs, a 32-Kbyte ROM with bootloader, 22 Peripheral DMA channels, various power-on reset modes, two programmable clock signals, advanced interrupt controller, and multiple power management options for optimized performance and energy efficiency.