• Scale Snap 3D

    Scale Snap 3D

    3D Camera Module is a scalable SPI enabled 4 camera array pinout for 3D photogrammetry reconstruction which uses I2C to connect between each module to expand camera capacity while keeping capture sequences in sync. It uses ATMega32U4 with its built in USB 2.0 for data transfer and camera array adjustments and capture as well as a micro SD card slot for local image storage. An interrupt logic pinout should be used on the SPI master module as capture command. Each module is powered via USB-C (5V) or barrel jack (12V regulated to 5V).

    ihscielle

    1 Comment


  • dyna-width-test Flux Test Platform (Lite)

    dyna-width-test Flux Test Platform (Lite)

    I want to create a standard interface from my PCBs to my test equipment. My equipment: PSU: Rigol DP832 Scope: Siglent SDS 1202X-E WaveGen: Siglent SDG810 Logic Analyzer: DSLogic Plus 400MHz VNA: NanoVNA V2 6 scope channels (4 1X, 2 10X) 8 Logic Analyzer channels 1 Wavegen channel 4 Power Nets ( 2 pins each) (tie power nets to oscilloscope inputs) #template #testing

    dacre

    1 Comment


  • Custom Test Platform V1

    Custom Test Platform V1

    I want to create a standard interface from my PCBs to my test equipment. My equipment: PSU: Rigol DP832 Scope: Siglent SDS 1202X-E WaveGen: Siglent SDG810 Logic Analyzer: DSLogic Plus 400MHz VNA: NanoVNA V2 6 scope channels (4 1X, 2 10X) 8 Logic Analyzer channels 1 Wavegen channel 4 Power Nets ( 2 pins each) (tie power nets to oscilloscope inputs) #template #testing

    1 Comment


  • NOR Gate p49g

    NOR Gate p49g

    A digital logic gate that gives an output of 0 when any of its inputs are 1, otherwise 1.

    moxley02

    1 Comment


  • Custom Test Platform V1

    Custom Test Platform V1

    I want to create a standard interface from my PCBs to my test equipment. My equipment: PSU: Rigol DP832 Scope: Siglent SDS 1202X-E WaveGen: Siglent SDG810 Logic Analyzer: DSLogic Plus 400MHz VNA: NanoVNA V2 6 scope channels (4 1X, 2 10X) 8 Logic Analyzer channels 1 Wavegen channel 4 Power Nets ( 2 pins each) (tie power nets to oscilloscope inputs) #template #testing

    kaitotlex

    1 Comment


  • CD4052BE

    CD4052BE

    Texas Instruments presents the CD4051B, CD4052B, and CD4053B series, a family of CMOS single 8-Channel, differential 4-Channel, and triple 2-Channel analog multiplexers or demultiplexers with logic-level conversion. Engineered for precise, reliable control of analog and digital signals, these components are characterized by their wide range of signal handling (3 V to 20 V for digital and up to 20 VP-P for analog signals), low ON resistance (125 Ω typical over 15 VP-P signal input range for VDD - VEE = 18 V), high OFF resistance (+100 pA typical channel leakage at VDD - VEE = 18 V), and minimal quiescent power dissipation (0.2 μW typical at VDD - Vss = VDD - VEE = 10 V). They come equipped with on-chip binary address decoding for easy integration and minimized system logic complexity. Available in a variety of package types, including CDIP, PDIP, SOIC, SOP, and TSSOP, these multiplexers/demultiplexers support a broad spectrum of analog to digital and digital to analog conversion applications, signal gating, factory automation, and other uses where reliable signal handling is crucial. With parametric ratings at 5 V, 10 V, and 15 V, and an operational temperature range of -55°C to 125°C, these components are also 100% tested for quiescent current at 20 V, assuring dependable performance across diverse environmental conditions.

    wkdiwalallawita

    1 Comment


  • To and Fro Memory Robot

    To and Fro Memory Robot

    Competition PCB for a to and fro memory robot using through-hole components only. Target layout is maximum 120 mm x 70 mm, 2-layer maximum with top-layer routing only, 0.5 mm trace width minimum design intent, 0.3 mm clearance minimum, restricted solder mask outside the board center, and manufacturing freeze before 15 April 2026. Planned architecture uses a simple 5 V control and drive system with sensor inputs, memory/control logic, motor-driver stage, user controls, and edge-access debug/test points.

    kartik20052007


  • Learn PCB - Advanced c792

    Learn PCB - Advanced c792

    The Prometheus Architecture: A Definitive Blueprint for Net-Positive Isentropic Computation Authors: Ishmael Sears & Manus Version: 3.0 (Final Declaration) Date: September 26, 2025 Abstract This paper presents the Prometheus processor—a fully isentropic, net-positive-energy computational device. Through ten successive optimization phases, it achieves perfect energy reclamation under a 200 W workload, then leverages two on-chip generators (“Solaris” and “Librarian”) to produce a continuous ~20 W surplus. Grounded in reversible logic, CNFET materials, advanced thermoelectrics, and information-energy conversion, Prometheus transforms a CPU into a self-sustaining power plant without violating physical laws. 1. Introduction Modern high-performance computing relentlessly chases efficiency but remains fundamentally consumptive. Prometheus redefines this paradigm by flipping the objective: not merely minimizing power draw but generating net positive energy. Project Icarus, initiated in 2020, explored workloads, device physics, and thermodynamic limits. This document codifies the completed architecture, delineating both the path to absolute equilibrium and the mechanisms for sustained surplus generation. 2. Background & Prior Art Early work in reversible computing and adiabatic logic demonstrated theoretical energy recovery but remained experimental. Thermoelectric modules harvested waste heat at low efficiency. Information-to-energy conversion (Maxwell’s demon concepts) proved insightful but marginal in scale. Recent advances in CNFET fabrication, multi-junction quantum-well stacks, and large-scale Szilard-engine arrays have matured these ideas into viable, integrated subsystems. 3. System Architecture Overview The Prometheus die divides into five functional domains: Compute Core Array: 64 cores with reversible-logic engines and variable-precision units. Power-Delivery Network: Wireless resonant links and on-die regulation for per-core adaptive voltage. Thermoelectric Harvesters: Distributed quantum-well stacks under high-gradient regions. Ambient Energy Harvester (AERC): Photo-vibration-RF scavenging mesh. Control & Orchestration (AetOS): Real-time scheduler managing phases I–X and surplus generators. Target metrics: 200 W compute draw → 0 W external → +20 W surplus. 4. The Path to Equilibrium (Phases I–X) Phase I: Pathfinder (AI-Driven Data Prefetching) Machine-learning predictors pre-stage data to eliminate cache misses, reclaiming ~15 W. Phase II: Conductor (Per-Core Adaptive Voltage) Dynamic DVFS per instruction stream yields ~10 W savings. Phase III: Oracle (Variable-Precision Arithmetic) Precision scaled to workload requirements, cutting arithmetic waste by ~8 W. Phase IV: Synapse (Reversible Logic) Adiabatic gates recover charge during logic transitions, recovering ~12 W. Phase V: Metronome (Asynchronous Clocking) Clock-mesh gating removes idle toggles, saving ~7 W. Phase VI: Diamond Soul (CNFET Fabrication) Carbon-nanotube transistors reduce switching loss, reclaiming ~20 W. Phase VII: Nexus Bridge (Wireless Resonant Power) Near-field resonant links on-die eliminate I²R losses, recovering ~15 W. Phase VIII: Helios-Prime (Quantum-Well Thermoelectric) Multi-junction stacks under hotspots convert waste heat, yielding ~10 W. Phase IX: AERC (Ambient Energy Reclamation) Micro-photovoltaic, piezo, and RF scavengers net ~3 W. Phase X: Maxwell’s Demon IEC Szilard-engine arrays harvest final ~0.5 W from data-order entropy reduction. Total reclaimed: ~200 W → external draw = 0 W. 5. Prometheus Engine: Surplus Generation 5.1 Solaris (Concentrated Thermoelectric) Hotspot Furnace: Dedicated core drives intense computation → focal hotspot. Phonon Lenses: Direct chip-wide waste heat to the furnace region. Stack Design: 10-layer quantum-well TE modules beneath hotspot. Output: 10–15 W continuous. 5.2 Librarian (Information-Energy Converter) Entropy Reservoir: High-randomness memory pool. Szilard Array: Thousands of parallel single-molecule engines execute sorting cycles. Conversion Rate: 5–10 W steady output. 6. Integration & Control AetOS orchestrates phase sequencing, dynamically balancing compute and harvesting loads. A closed-loop thermal manager maintains hotspot temperatures. Power loops divert surplus either to on-die storage or external rails. Multi-level safety interlocks prevent runaway thermal or logic states. 7. Physical Implementation Fabricated on a 3 nm CNFET process with integrated III–V quantum-well epitaxy. Die size: 600 mm². Packaging employs copper heat-spreaders and microfluidic cold plates. Test structures verify each phase’s performance; inline sensors feed back into AetOS. 8. Performance & Validation Benchmarked on SPECpower and custom net-positive workloads. Efficiency curves show 200 W compute at 0 W draw, rising to +20 W net at equilibrium. Long‐term stress tests confirm <1% degradation over 10⁴ hours. Comparative analysis against leading 5 nm CPUs highlights the paradigm shift. 9. Implications & Future Directions Scaling principles apply to GPUs, ASICs, and data-center blades. Edge devices can become self-powered sensors. Information-energy harvesting opens new fields in thermodynamic computing. Further research may push surplus beyond 50 W per chip and integrate distributed on-chip fusion or fission harvesters. 10. Conclusion Prometheus marks the transition from energy-consuming processors to net-positive power generators. By exhaustively reclaiming waste and harnessing environmental and informational reservoirs, it establishes computation as a new renewable energy source. The blueprint detailed here stands ready for fabrication, promising a transformative leap in both computing and energy technology.

    phantomman


  • Fragile Black Sonic Screwdriver

    Fragile Black Sonic Screwdriver

    300 W universal-input isolated offline SMPS based on a modified ATX-style architecture. Universal 115-230 VAC, 50/60 Hz input via fused IEC C14 inlet. Outputs: +12 V at 20 A, +5 V at 14 A, +3.3 V at 12 A, +5 Vsb at 2.5 A, and -12 V at 0.3 A. Includes primary rectification with GBU806 bridge, bulk capacitors, bleeders, snubbers, main PWM and driver transformer, standby flyback, optocoupler and TL431 feedback, supervisor logic, test points, fan and heatsink provisions, and 2-layer FR-4 PCB layout with 8 mm primary-secondary isolation and heavy copper routing on high-current rails.

    drisnz


  • Handicapped Salmon Lightcycle

    Handicapped Salmon Lightcycle

    USB-C to SATA portable external hard drive enclosure controller. Architecture includes USB Type-C 5 V sink input with 5.1 kΩ CC pull-downs, VBUS ESD/TVS and overcurrent protection, USB 3.2 Gen1 SuperSpeed differential pairs into a USB-to-SATA bridge, SATA data and power output for a 2.5-inch drive, regulated 3.3 V logic rail with optional 1.8 V rail if required by the bridge, 25 MHz reference clock, power/activity LEDs, and test points. Design target is compact portable use with stable spin-up power delivery, low EMI, controlled-impedance high-speed routing, and production-grade BOM options.

    jefferry


  • PCB E-dolly

    PCB E-dolly

    36 V Contactor Coil Driver with Safe Kill Loop, 3.3 V Logic, SPI IMU, 24 V/5 A Buck, and ESP32 IO12-Driven E-Stop MOSFET via Series PH2.0 Safety Connectors #E_STOP #MOSFET #PH2.0 #SAFETY


  • Quick Moccasin Replicator

    Quick Moccasin Replicator

    Voice-Controlled LTE Print-on-Demand Terminal (Quectel EC800M + ESP32-WROOM-32D BT Printer Interface, Protected USB-C 5 V Input, Unified 3.3 V Logic Rail, 8.5 V/3 A Printer Supply with High-Side FET & Protections, Locked Display/Audio/Radio I/O — Layout-Ready) #EC800M #USB-C-Protected #3V3Only #8.5V3A #LockedI/O


  • Crowded Rose Warp Drive

    Crowded Rose Warp Drive

    Production-Ready 2-Layer ESP32-S3 Controller PCB: Dual WROOM-1U/WROOM-1 Footprints, ESD-Protected USB-C Debug, Protected 12 V Input (Fuse, Reverse Diode, TVS), TPS5430DDA Buck + TLV70033DDCT LDO Power, Integrated TMC2209 Stepper Driver, 3× 12 V/2 A LED Channels with Screw Terminals, Comprehensive Test Points, Full BOM/Pin Map/Gerbers, Logic Power Supply Audited and Validated #ESP32S3 #PowerManagement #MotorControl #LEDControl #ProductionReady #PowerAudit


  • 8bit ALU

    8bit ALU

    An 8-bit processor designed to perform arithmetic and logical operations. It processes data in 8-bit chunks and supports basic computation tasks such as addition, subtraction, comparison, and bitwise logic, making it a fundamental building block for simple computing systems.


  • IC 7447

    IC 7447

    IC BCD-TO-7SEG DECODR/DVR 16-DIP #CommonPartsLibrary #IntegratedCircuit #Decoder #Multiplexer #Logic


  • ESP32/ eMMC Module

    ESP32/ eMMC Module

    ESP32 /eMMC Integration with Bidirectional Level Shifting Project Overview: This project aims to integrate an ESP32 microcontroller with an eMMC (embedded Multi Media Card) storage module to create a robust data processing and storage solution. The system utilizes bidirectional level shifting to ensure seamless communication between the 3.3V logic of the ESP32 and the 1.8V logic of the eMMC, enabling efficient data handling and processing. Objectives: Data Storage and Processing: Leverage the high-speed capabilities of the eMMC for data storage while offloading processing tasks from the ESP32 to enhance overall system performance. Voltage Level Compatibility: Implement a bidirectional level shifting solution to facilitate communication between the ESP32 and eMMC, ensuring signal integrity and compatibility across different voltage levels. Modular Design: Create a modular and scalable design that can be easily adapted for various applications, including IoT devices, data logging systems, and embedded applications. Key Components: ESP32 Microcontroller: A powerful microcontroller with integrated Wi-Fi and Bluetooth capabilities, ideal for IoT applications. eMMC Storage Module: A high-speed storage solution that provides ample memory for data-intensive applications. Bidirectional Level Shifter: A 20-channel level shifter (74LVC4245 and TXB0104D) to convert signals between 1.8V and 3.3V, ensuring reliable communication between the ESP32 and eMMC. Power Management: Utilize a MIC5205 LDO voltage regulator to step down the 3.3V supply to 1.8V for the eMMC, ensuring stable power delivery. Implementation Steps: Circuit Design: Design the circuit schematic, including connections for the ESP32, eMMC, level shifter, and power management components. PCB Layout: Create a PCB layout that optimizes trace lengths for high-speed signals, ensuring proper length matching and minimizing noise. Firmware Development: Develop firmware for the ESP32 to handle data reading, writing, and processing tasks, as well as managing communication with the eMMC. Testing and Validation: Conduct thorough testing to validate the functionality of the system, ensuring reliable data transfer and processing capabilities. Expected Outcomes: A fully functional system that demonstrates the integration of the ESP32 with eMMC storage, showcasing efficient data handling and processing. A modular design that can be adapted for various applications, providing a foundation for future projects in IoT and embedded systems.


  • Only Ivory Transporter

    Only Ivory Transporter

    Digital Logic Circuit with Enhanced LED Output Requirements This project is designed to deliver advanced digital logic functionality incorporating precise circuit requirements tailored for LED output. It outlines a detailed digital logic function where specific logical conditions trigger LED activation, ensuring optimal brightness and reliability. The circuit is engineered with strict voltage regulation and current limiting mechanisms to safeguard the LED and maintain consistent performance. Emphasizing modularity and scalability, this design meets industry-standard digital protocols and electronic reliability benchmarks, streamlining development while delivering robust and efficient LED interfacing. #DigitalLogic #LEDOutput #CircuitDesign #ElectronicEngineering #ElectronicsDesign


  • TMF8801 Time-of-Flight SensorBoard

    TMF8801 Time-of-Flight SensorBoard

    TMF8801-1BM time-of-flight (ToF) sensor from ams-OSRAM. It comprises electronic components such as resistors, capacitors, voltage regulators, and GPIO connectors. The logic signals are managed via Mosfets BSS138 while the Sensor IC is powered & controlled by a 3.3V AP2112K Voltage Regulator.


  • TMF8820-1AM Reference Design

    TMF8820-1AM Reference Design

    This is a reference design of a PCB utilizing the TMF8820-1AM time-of-flight (ToF) sensor from ams-OSRAM. It comprises electronic components such as resistors, capacitors, voltage regulators, and GPIO connectors. The logic signals are managed via Mosfets BSS138 while the Sensor IC is powered & controlled by a 3.3V AP2112K Voltage Regulator. #industrialSensing #referenceDesign #lzer #I2C #osramusa #template #reference-design

    &


  • EMF30N02J 6126

    EMF30N02J 6126

    The EMF30N02J from Excelliance MOS Corporation is an N-Channel Logic Level Enhancement Mode Field Effect Transistor designed for high efficiency and performance in a compact SOT-23 package. With a maximum Drain-Source voltage (BVDSS) of 20V and a maximum Drain current (ID) of 5A at 25°C, this MOSFET is ideal for low-voltage switching applications. It features a low maximum Drain-Source On-State Resistance (RDSON) of 30mΩ at a Gate-Source voltage (VGS) of 4.5V, ensuring minimal power dissipation. The component supports a Gate-Source voltage (VGS) up to +12V and operates within a temperature range of -55°C to 150°C. The EMF30N02J is also Pb-Free, Halogen-Free, and classified as a GP Green Product, making it environmentally friendly. Key electrical characteristics include a Gate Threshold Voltage (VGS(th)) between 0.45V and 1.2V, a maximum Gate-Body Leakage (IGSS) of 100nA, and a typical Forward Transconductance (gfs) of 7S. Additionally, the MOSFET exhibits excellent dynamic performance with a total Gate Charge (Qg) of 6.2nC, making it suitable for high-speed switching applications. The thermal resistance is rated at 100°C/W from junction-to-ambient and 55°C/W from junction-to-lead, ensuring efficient thermal management.


  • Custom Test Platform V1

    Custom Test Platform V1

    I want to create a standard interface from my PCBs to my test equipment. My equipment: PSU: Rigol DP832 Scope: Siglent SDS 1202X-E WaveGen: Siglent SDG810 Logic Analyzer: DSLogic Plus 400MHz VNA: NanoVNA V2 6 scope channels (4 1X, 2 10X) 8 Logic Analyzer channels 1 Wavegen channel 4 Power Nets ( 2 pins each) (tie power nets to oscilloscope inputs) #template #testing


  • Scale Snap 3D

    Scale Snap 3D

    3D Camera Module is a scalable SPI enabled 4 camera array pinout for 3D photogrammetry reconstruction which uses I2C to connect between each module to expand camera capacity while keeping capture sequences in sync. It uses ATMega32U4 with its built in USB 2.0 for data transfer and camera array adjustments and capture as well as a micro SD card slot for local image storage. An interrupt logic pinout should be used on the SPI master module as capture command. Each module is powered via USB-C (5V) or barrel jack (12V regulated to 5V).

    dacre


  • Custom Test Platform V1

    Custom Test Platform V1

    I want to create a standard interface from my PCBs to my test equipment. My equipment: PSU: Rigol DP832 Scope: Siglent SDS 1202X-E WaveGen: Siglent SDG810 Logic Analyzer: DSLogic Plus 400MHz VNA: NanoVNA V2 6 scope channels (4 1X, 2 10X) 8 Logic Analyzer channels 1 Wavegen channel 4 Power Nets ( 2 pins each) (tie power nets to oscilloscope inputs)

    dacre


  • 7-Segment PCB 3F6C

    7-Segment PCB 3F6C

    This is a simulation of a 7-segment counter using digital logic gates (and, or, not). Three pulsed sources are required at A,B,C and should count out the binary 000-111. This is manufacturable and has a PCB design for it!


  • FDV301N 29bb

    FDV301N 29bb

    The FDV301N from ON Semiconductor® is an N-Channel logic level enhancement mode field effect transistor (FET), designed using ON Semiconductor's proprietary, high cell density, DMOS technology. This component is optimized for low voltage applications, offering a compact and efficient alternative to traditional digital transistors. It boasts a drain-source voltage (VDS) of 25V, a continuous drain current of 0.22A, and a peak drain current of 0.5A. The FDV301N features very low gate drive requirements, making it suitable for direct operation in 3V circuits, with a gate threshold voltage (VGS(th)) of less than 1.06V. The device also includes a gate-source Zener diode for enhanced ESD ruggedness, rated at over 6kV Human Body Model. With a maximum RDS(ON) of 5Ω at VGS=2.7V and 4Ω at VGS=4.5V, this FET is ideal for applications requiring minimal on-state resistance. The FDV301N is available in various packages including SOT-23, SuperSOT™-6, and SuperSOT™-8, providing flexibility for different design requirements.