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

Very basic PCB for a single Kailh MX switch

Automatic 3-channel video switcher using 3 video sync separators and max4545 video switch.

A momentary or non-latching switch which causes a temporary change in the state of an electrical circuit only while the switch is physically actuated.

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 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 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

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 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

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 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

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

The AO3414, manufactured by Alpha & Omega Semiconductor, is an N-Channel Enhancement Mode Field Effect Transistor (FET) designed using advanced trench technology to deliver superior RDS(ON), low gate charge, and operation with gate voltages as low as 1.8V. Ideal for load switch and PWM applications, the AO3414 is available in a Pb-free version that complies with ROHS and Sony 259 specifications, and a Green Product variant (AO3414L), both of which are electrically identical. Key specifications include a drain-source voltage (VDS) of 20V, a continuous drain current (ID) of 4.2A at VGS=4.5V, and a maximum RDS(ON) of 50mΩ at VGS=4.5V. The device is housed in a TO-236 (SOT-23) package, ensuring compact and efficient thermal performance. Additionally, the AO3414 boasts a maximum power dissipation of 1.4W at TA=25°C, a gate-source voltage (VGS) rating of +8V, and an operating junction temperature range of -55°C to 150°C. This component is optimized for consumer market applications, offering reliable performance and compliance with environmental standards.

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

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 #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 TPS6103x based 96% efficient 4A switch synchronous boost converter power module #dcdc #ti #boost #4A #referenceDesign #powermanagement #texas-instruments #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

The AO3416, manufactured by Alpha & Omega Semiconductor, is a 20V N-Channel MOSFET designed using advanced trench technology to deliver superior RDS(ON) performance, low gate charge, and compatibility with gate voltages as low as 1.8V. Ideal for use as a load switch or in PWM applications, the AO3416 features ESD protection and is offered in a compact SOT23 package. Key specifications include a drain-source voltage (VDS) of 20V, a continuous drain current (ID) of 6.5A at VGS=4.5V, and a maximum RDS(ON) of 34mΩ at VGS=1.8V. The component operates efficiently across a temperature range of -55℃ to 150℃ and supports pulsed drain currents up to 30A. Additionally, the AO3416's thermal characteristics ensure robust performance, with a maximum junction-to-ambient thermal resistance of 125°C/W. This device is designed for the consumer market and is not authorized for use in life support systems.

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

The PAN JIT SEMICONDUCTOR PJC831K is a 50V N-Channel Enhancement Mode MOSFET designed for switch load and PWM applications, with added ESD protection up to 2KV HBM. Utilizing advanced trench process technology, it offers low RDS(on) values of <1.60Ω at VGS=10V, <2.50Ω at VGS=4.5V, and <4.50Ω at VGS=2.5V. The component is capable of handling a continuous drain current of 360 mA and a pulsed drain current of up to 1200 mA, constrained by a maximum power dissipation of 236 mW at 25°C. The MOSFET is housed in a SOT-323 package with excellent thermal resistance characteristics (530°C/W junction to ambient). It meets RoHS 2.0 compliance and IEC 61249 standards with a green molding compound. Featuring minimal gate charge and fast switching times, this MOSFET is optimized for efficiency and reliability in demanding applications.