Static random access memory. See https://en.wikipedia.org/wiki/Static_random-access_memory NOTE: stripped out custom initial contents and variable number of data and address bitsa TODO: need to rename terminals to something sensible

Battery-powered ESP32-WROOM-32 design with MAX30102 PPG sensor, MCP73871 single-cell Li-ion charging and power-path management, 3.3V regulation, and two low-current output terminals.

2-layer Arduino Nano R4 inline Wiegand carrier board with reader and panel screw terminals, Brivo-compatible data remapping, and 12V pass-through to VIN.

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

Compact LoRa-based load cell manager board. Hosts Heltec WiFi LoRa 32, HX711 ADC for strain gauges, dual VL53L1X ToF sensors, 3.3V/2.8V rails, user buttons/LEDs, and screw terminals for robust interfacing.

Design a Single sided PCB. U1 - The LM324N is a standard 14PDIL package Q1 - 2N4401TA Q2 - TIP29AG Resistors - Generic resistor - H_AXIAL-P10.16_D2.5 Pot - PT10LV10-201A2020 Capacitors - 120uF Electrolytic Capacitor Diodes - 1N4148-1 LED - LED THT Zener - 1N47733A J1&J2 - TerminalBlock-01x02P-5.00mm

3.6V-16V to 3.30V @ 4A TLVM13640 Reference design. ! EXPERIMENTAL ! Terminals: VIN: 3.6V - 16V VOUT: 3.3V @ 4A PGOOD with 10k pullup.

3.6V-16V to 3.30V @ 4A TLVM13640 Reference design. ! EXPERIMENTAL ! Terminals: VIN: 3.6V - 16V VOUT: 3.3V @ 4A PGOOD with 10k pullup.

This is a soundchip for the MegaFX Console. TERMINALS: AO: Audio/Analog Output II: Instruction Input

Static random access memory. See https://en.wikipedia.org/wiki/Static_random-access_memory NOTE: stripped out custom initial contents and variable number of data and address bitsa TODO: need to rename terminals to something sensible