A latching device used to open a relay in the event a Insulation Monitoring Device detects a fault or fails in operation.

This project is a Smart Thermostat design using an ESP32 module for WiFi connectivity and a BME680 sensor for environmental monitoring. The user interface includes an E-ink display and an encoder for settings adjustment. Power is managed through a USB-C connector with a 3.3V regulator. #referenceDesign #project #ESP32 #ESP32WROOM #RF #WIFI #MCU #thermostat #referenceDesign #edge-computing #edgeComputing #espressif #template #reference-design

The HOTCHIP HT4936S is a sophisticated mobile power management integrated circuit designed by Hotchip, optimized for portable power solutions that require efficient charging and power management capabilities. This advanced component integrates features for charging and discharging through a common port, automatic load detection for boost startup and shutdown, four-light battery level indication, and a low battery alert functionality. The HT4936S stands out for its ability to manage 1A input/output with minimal external components, leveraging synchronous rectification to enhance efficiency and reduce thermal footprint. Additionally, it supports a versatile charging protocol accommodating both 4.20V and 4.35V batteries, and is packaged in a compact SOP16 form factor, ensuring a low-cost, space-efficient solution for a wide range of mobile power applications including power banks, backup power supplies, and lithium battery chargers. It incorporates protection features against battery overcharge, over-discharge, and thermal overload, thereby ensuring reliable operation across a range of conditions. Furthermore, the HT4936S facilitates direct LED drive and includes an NTC thermistor input for temperature monitoring, making it an all-encompassing solution for power management in consumer electronics.

This project is a Smart Thermostat design using an ESP32 module for WiFi connectivity and a BME680 sensor for environmental monitoring. The user interface includes an E-ink display and an encoder for settings adjustment. Power is managed through a USB-C connector with a 3.3V regulator. #referenceDesign #project #ESP32 #ESP32WROOM #RF #WIFI #MCU #thermostat #referenceDesign #edge-computing #edgeComputing #espressif #template #reference-design

A latching device used to open a relay in the event a Insulation Monitoring Device detects a fault or fails in operation.

A latching device used to open a relay in the event a Insulation Monitoring Device detects a fault or fails in operation.

Arduino Electrical Control Shield -Redundant Temp. Sense -Geometric Monitoring -Dual RS232 Communication -USB Communication -Dual Motor Control -5 24V Control Relays -15 10V Analog IO -22 24V Protected IO

Presentation concept PCB for an ESP32-S3 controlled 10-battery configurable controller with USB-C programming, monitoring, MOSFET switching placeholders, UI, controlled output, and clearly marked conceptual battery matrix sections.

Compact USB-C SDR receiver optimized for monitoring P25 Phase 2 public-safety bands with PC/Android decoding software; receive-only prototype with room to evolve toward a standalone scanner.

Production-oriented 2-layer PCB for a desktop mini CRT-style collectible using an ESP32-C3 Mini module, USB-C LiPo charging, ST7789 TFT display, 3 Hall sensors, eject button, piezo buzzer, and battery monitoring.

Production-oriented 2-layer PCB for a desktop mini CRT-style collectible using an ESP32-C3 Mini module, USB-C LiPo charging, ST7789 TFT display, 3 Hall sensors, eject button, piezo buzzer, and battery monitoring.

Texas Instruments BQ25606RGER single-cell Li-ion/Li-polymer charger and NVDC power-path reference with USB source detection, programmable charge/input current, NTC monitoring, and status indicators.

4-layer ESP32-S3 controller for a dual V-mount battery-powered film fog generator with 200 W heater PWM, pump/fan outputs, K-type thermocouple sensing, battery monitoring, and DMX-512 control.

Control PCB for a robotic platform with 24V input, STM32F427ZI coordination, Ethernet/USB/CAN/RS-485/wireless interfaces, load gating, thermal control, and STO safety monitoring.

4-layer ESP32-S3 controller for a dual V-mount battery-powered film fog generator with 200 W heater PWM, pump/fan outputs, K-type thermocouple sensing, battery monitoring, and DMX-512 control.

ESP32 Battery Management System Controller Board – An innovative solution for smart power control and audio recording integration. This cutting-edge board harnesses the power of the ESP32 microcontroller to deliver precise battery management and seamless integration with an S3 Voice Recorder subsystem. Perfect for advanced IoT applications, the board’s robust design ensures reliable energy optimization, remote monitoring, and real-time performance coupled with high-quality voice recording capabilities. Experience enhanced connectivity, efficient power regulation, and smart audio functionality, all in one compact package that paves the way for next-generation smart devices. #ESP32 #BatteryManagement #VoiceRecorder #IoT #SmartDevices #ControllerBoard

ESP32 Battery Management System Controller Board – An innovative solution for smart power control and audio recording integration. This cutting-edge board harnesses the power of the ESP32 microcontroller to deliver precise battery management and seamless integration with an S3 Voice Recorder subsystem. Perfect for advanced IoT applications, the board’s robust design ensures reliable energy optimization, remote monitoring, and real-time performance coupled with high-quality voice recording capabilities. Experience enhanced connectivity, efficient power regulation, and smart audio functionality, all in one compact package that paves the way for next-generation smart devices. #ESP32 #BatteryManagement #VoiceRecorder #IoT #SmartDevices #ControllerBoard

Low-voltage monitoring circuit for a nominal 24V DC input. The TL431 threshold detector and BC547B driver activate a 5V active buzzer when PLUS drops below about 19.5V.

USB-C powered low-power temperature and humidity sensor node using an ESP32 Wi‑Fi/BLE module, digital T/RH sensor, protected 5V input, and 3.3V system rail for consumer environmental monitoring.

Compact low-power ESP32-based mini-drone flight controller with IMU stabilization, battery monitoring, wireless telemetry/OTA support, motor outputs, configurable flight modes, emergency landing, and optional return-to-home expansion.

Compact Li-Po powered ESP32 wearable vibration alert prototype for construction worker safety monitoring, using a relay module to directly switch a 3V coin vibration motor with beginner-friendly soldering and labeled PCB wiring.

Two-stage 12 V common-emitter small-signal amplifier using MMBT2222A transistors, with a 14.0 MHz single-tuned output stage, fixed 510 ohm load, and RF test headers for input, interstage monitoring, and output.

Compact carrier PCB concept for a Raspberry Pi Zero W cabinet monitoring device, optimized for low-profile mounting, camera access, magnetic door sensing, and discreet installation inside a fire extinguisher cabinet enclosure.

Production-ready 3S 18650 mini router/ONU UPS with 12V adapter input, no-reboot switchover, 12V/9V/5V regulated outputs, battery charging/protection, monitoring, and JLCPCB SMT assembly target.

Bitcoin miner controller board revised so J2 is a dedicated USB-C USB 2.0 control and monitoring connector feeding U2, while X1 is a dedicated 25 MHz oscillator driving IC1 on ASIC_CLK for the mining subsystem.