Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

R2 changes: -Moving to Letter Modules for ease of design -Adding ESP32 for WiFi On/Off and intensity control -Optional: Add unpopulated AA Battery Holder for battery option R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C. #template

I want make a board that trigger a green and red LED with three wire, 0V, 24V and output of proximity switch. but i want output wire remain 0V when not connected.

This project involves designing a portable device that can inject a 1kHz sine wave signal into a 100V audio line to detect short circuits. The device should be compact (around the size of a smartphone) and include LED indicators to show the status: a green LED for normal operation and a red LED for short-circuit detection. The device will be powered either by a switching power supply or rechargeable batteries.

This is a diode-based VCA audio compressor that works in mono. The compressor has LED-based gain reduction metering, input gain (preamp), output gain, and a fast-attack switch akin to the SSL channel-strip compressors. The module is to be powered by a regular outlet so it has an AC-DC converter.

Constellation PCB - Meant to blink LEDs representing the constellation Cassiopeia - On/off switch for controlling the LEDs and switches to control the colors of the LEDs

This is a reference design of buck based on LT1933 with an internal 0.75A power switch and 3.3V output #3V3 #dcdc #power #referenceDesign #powermanagement #analogdevices #template

MAX6675 Module and Stepper Motor Driver (e.g., A4988a with a esp32 it has to be contolled by cloud and manual switch

The APM2300CA, manufactured by Sinopower Semiconductor, is a high-performance N-Channel Enhancement Mode MOSFET designed for power management in notebook computers, portable equipment, and battery-powered systems. This component delivers a maximum drain-source voltage (VDSS) of 20V and can handle continuous drain current up to 6A when VGS is 10V, ensuring robust performance for demanding applications. Its low RDS(ON) values of 25mΩ (typ.) at VGS=10V, 32mΩ (typ.) at VGS=4.5V, 40mΩ (typ.) at VGS=2.5V, and 65mΩ (typ.) at VGS=1.8V minimize power loss and heat generation. The APM2300CA is reliable and rugged, complying with RoHS standards and available in a lead-free, halogen-free SOT-23 package, featuring a maximum power dissipation of 0.83W at 25℃. It is optimized for fast switching, with total gate charge (Qg) of 6nC (typ.) at VGS=4.5V and a gate resistance (RG) of 6Ω, supporting efficient and precise control in diverse power applications.

This is a reference design of step-up dc-to-dc switching converter based ADP1613 with a 15V output #dcdc #power #boost #15V #referenceDesign #powermanagement #analogdevices #template #reference-design

This Device can switch 5 outputs, have 5 momentary inputs, a FS1000A tx and MPU6050

This is a speech output model for a NIFPES (Nitrogen Injection Fire Prevention and Exhaustion System) machine. ESP32 is being used where it is connected with a limit switch LXW20-11M and ESP32 is connected with DFPlayer mini MP3 Speaker module and the speaker module is further connected to a speaker. This model is powered by a PLC SMPS of 24V and is connected to the door of the control panel of the machine. Function:- Now whenever the door is opened or closed, there is a speech output from the speaker "The door is open" or "The door is closed". Further work to be done:- I need to integrate the fire alarm signals and 20 more signals of 24v each from the PLC output to the ESP32 so that there can be speech outputs whenever any signal is high.

To optimize your 4-layer board manufacturing process with Seeed Studio Fusion, utilize this comprehensive template. It incorporates a majority of the essential manufacturing constraints as global rules, ensuring a smoother and more efficient production workflow. #project-template #template #manufacturer-design-rules This project is a vessel monitoring system built using Seeed Studio Xiao Sense, Xiao Expansion Board with OLED, a UART WiFi module, a normally open float switch, and a UART SIM800L cellular module. The system displays a 30-second countdown on the OLED screen, calibrates the IMU sensor, converts to Euler angles, and stores these values for comparison with future readings. It also sets up the WiFi module as an access point to configure the vessel's name, contact numbers, and angle thresholds for list and trim notifications. Reports are sent at specified times via the cellular module.

Buck Converter Input Voltage: 220VAC Input Power: 30W AC Frequency : 50/60Hz Power Factor: 0.5 LED Output Voltage: 160V LED Output Current: 170mA Driver Efficiency : 93% Switching Frequency : 200kHz Output Current after diode bridge rectifier : 100mA Output Voltage after diode bridge rectifier : 310VDC

ESP32 8 Relay Board. Has onboard mains to 5V or can use the ESP VIN for the +5V. 8 onboard relays capable of switching about 5A without adding additional tin to the traces.

Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C.

This project combines one soil sensor (resistive or capacetive), one 5V pump in a water tank and a floating switch to detect the water level. Depending on the soil measurment and the configured nominal value the pump can be controlled while the floating switch prevents the pump from running dry. All configurations can be controlled via MQTT.

The Coffee Waker is a unique, full-featured coffee maker alarm clock designed to brighten your morning routine with the irresistible aroma of freshly brewed coffee. By seamlessly integrating multiple high-performance components onto a single main board, the Coffee Waker delivers both functionality and innovation: - **Processing & Connectivity:** Powered by an ESP32-S3, it offers built-in WiFi and Bluetooth, enabling smart scheduling, remote control, and over-the-air updates. - **Precision Sensing:** A 16-bit load cell ADC provides accurate measurements, ensuring precise weight sensing for coffee bean dosing or liquid volume monitoring. - **Quality Audio Output:** The onboard 16-bit MP3 DAC guarantees clear audio playback, from alarm sounds to any custom wake-up messages you program. - **Robust Power Handling:** With a 120V heater cartridge relay and a 12V wakeup light converter integrated, the board safely manages high voltage switching and provides a visually soothing light routine. - **Thoughtful Integration:** Designed with automotive-grade components, precision regulators, and careful signal routing, the Coffee Waker Main Board combines performance with reliability while keeping a compact footprint. Overall, the Coffee Waker transcends the ordinary alarm clock, merging daily utility with modern connectivity and a touch of luxury—making it the perfect addition to any nightstand. #CoffeeWaker #SmartHome #CoffeeMaker #AlarmClock #MorningRoutine #Technology #Innovation

This project is a WiFi RF-ID Lock, which uses a Espressif ESP-8684 microcontroller for WiFi connectivity and a Handson Technology RC522 for RF-ID functionality. It also includes an OLED display and user control via a switch. A step-up power converter ensures consistent 3.3V power. #WiFi #MCU #ReferenceDesign #project #ESP8684 #lock #OLED #referenceDesign #simple-embedded #espressif #template #reference-design

This is a Smart Button project embedded with an E-Ink display. It uses an ESP32-PICO-KIT microcontroller and a Cherry MX mechanical switch for input detection. Upon the button press, various information is displayed on the E-Ink screen. #project #Template #projectTemplate

This is a Smart Button project embedded with an E-Ink display. It uses an ESP32-PICO-KIT microcontroller and a Cherry MX mechanical switch for input detection. Upon the button press, various information is displayed on the E-Ink screen. #project #Template #projectTemplate

Buck, Buck-Boost Switching Regulator Input Voltage Range 4.75V to 28V with 100% Duty Cycle Mode. Output 5V #project-template #voltageregulator #template

This project is a WiFi Gesture Light Switch controlled by an ESP32 microcontroller. It leverages APDS-9960 and CH340C ICs for gesture recognition and USB communication respectively. Essential components include diodes for voltage protection, LEDs for status indication, and an AMS1117 voltage regulator to ensure a stable power supply. Connectors like USB Type-C are used for power and data transfers. #referenceDesign #project #ESP32 #ESP32WROOM #RF #WIFI #MCU #thermostat #referenceDesign #edge-computing #edgeComputing #espressif #template #reference-design

R2 changes: -Moving to Letter Modules for ease of design -Adding ESP32 for WiFi On/Off and intensity control -Optional: Add unpopulated AA Battery Holder for battery option R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C. #template

This is a Smart Button project embedded with an E-Ink display. It uses an ESP32-PICO-KIT microcontroller and a Cherry MX mechanical switch for input detection. Upon the button press, various information is displayed on the E-Ink screen. #project #Template #projectTemplate

R2 changes: -Moving to Letter Modules for ease of design -Adding ESP32 for WiFi On/Off and intensity control -Optional: Add unpopulated AA Battery Holder for battery option R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C. #template

This project is a BLE door and window sensor design that uses a U-blox BMD-330-A-R for BLE communication, a reed switch as a sensor, a multi-color LED for status display, and is powered by VBAT. There's also a programming interface and reset switch included. #WiFi #BLE #MCU #ReferenceDesign #project #referenceDesign #simple-embedded #ublox #template #reference-design

This project is a WiFi RF-ID Lock, which uses a Espressif ESP-8684 microcontroller for WiFi connectivity and a Handson Technology RC522 for RF-ID functionality. It also includes an OLED display and user control via a switch. A step-up power converter ensures consistent 3.3V power. #WiFi #MCU #ReferenceDesign #project #ESP8684 #lock #OLED #referenceDesign #simple-embedded #espressif #template #reference-design

This project is a WiFi RF-ID Lock, which uses a Espressif ESP-8684 microcontroller for WiFi connectivity and a Handson Technology RC522 for RF-ID functionality. It also includes an OLED display and user control via a switch. A step-up power converter ensures consistent 3.3V power. #WiFi #MCU #ReferenceDesign #project #ESP8684 #lock #OLED #referenceDesign #simple-embedded #espressif #template #reference-design

This project is a WiFi Gesture Light Switch controlled by an ESP32 microcontroller. It leverages APDS-9960 and CH340C ICs for gesture recognition and USB communication respectively. Essential components include diodes for voltage protection, LEDs for status indication, and an AMS1117 voltage regulator to ensure a stable power supply. Connectors like USB Type-C are used for power and data transfers. #referenceDesign #project #ESP32 #ESP32WROOM #RF #WIFI #MCU #thermostat #referenceDesign #edge-computing #edgeComputing #espressif #template #reference-design

This document provides a detailed guide to building a relay circuit that uses a Raspberry Pi to control a buzzer. The relay acts as a switch, allowing the Raspberry Pi to turn the buzzer ON and OFF through GPIO pins.

R2 w Thread changes: -Moving to Letter Modules for ease of design -Adding MGM210L for Matter on Thread On/Off and intensity control -Shifted A and R letters closer to fix Kerning -Optional: Add unpopulated AA Battery Holder for battery option R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C. #template #arduino-matter

This project is a WiFi RF-ID Lock, which uses a Espressif ESP-8684 microcontroller for WiFi connectivity and a Handson Technology RC522 for RF-ID functionality. It also includes an OLED display and user control via a switch. A step-up power converter ensures consistent 3.3V power. #WiFi #MCU #ReferenceDesign #project #ESP8684 #lock #OLED #referenceDesign #simple-embedded #espressif #template #reference-design

3-Pole Dual Throw (3PDT) Stomp Switch