Control board for autonomous or radio-controlled robots. It has inputs to connect distance sensors and encoders for autonomous mode. It can be radio controlled by the ESP32 bluetooth or by connecting a Flysky RC controller receiver to the IBUS port. It also has 3 push buttons and you can connect some kind of display by I2C to visualize and select configuration modes.

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

The Robo Project is a mobile robotic platform featuring a Particle Argon board, 4 motor-wheels controlled by L293D drivers, and an HC-SR04 ultrasonic sensor for obstacle detection. It's ideal for exploration, remote control, and robotics education. #allThingsRobotics #project #robot #L293D #car

Arduino Micro - MIDI Controller It uses the Arduino Micro as USB midi controller. It has 1 capacitive touch octave (12 Keys), 2 rotary encoders, a button, and a proximity sensor that can be used as a mod wheel, sustain pedal or MPE. The oled screen displays the different configuration options. It can be set to any channel or C.C. so it can be used to modify other instruments behavior. The capacitive touch keys can also be used as 12 drum machine pads.

Introducing my USB-C to 4 USB-A Hub V1, a compact and efficient solution for expanding your device's connectivity. Easily connect multiple USB-A peripherals to a single USB-C port. The USB-C and USB-A high speed differential pairs were done with the help of Flux Automated Impedance Control. #USBCHub #Connectivity #project

This device will be connected to computer through type-C and recognize as MIDI device. User can change two effects(A and B) from lists, effect speed(Tempo) and volume. #audioDevices

The Robo Project is a mobile robotic platform featuring a Particle Argon board, 4 motor-wheels controlled by L293D drivers, and an HC-SR04 ultrasonic sensor for obstacle detection. It's ideal for exploration, remote control, and robotics education. #project #robot #L293D #car

This project designs a Linux Single Board Computer using STM32MP157FAC1, featuring DDR memory, a power management IC, USB and SD card interfaces, and essential user controls, aimed at versatile embedded applications.

Servo Control Module with Battery Protection and UI for 100×60×50 mm Enclosure

DIY BMS using ATTINY841-SSU this hardware has a higher balance current, fuse and TVS diode to help with voltage spikes. Most importantly, an external crystal to the micro controller (attiny841) which means the device is more reliable in low voltage situations

16 channel relay that will allow you to control different types of electrical loads

ESP32-S3-PLC For Home and Small Industry, include 8 12V SSR to control DC and AC Current, 8 isolated I/O and a ESP32 as a brain with a USB C to upload the code and the connectivity advantages of the ES32 like WIFI and Bluetooth.

HADES Flight Control System. Complete flight control system designed from scratch. The flight control system is primarily designed for fixed-wing, autonomous drones to enable them to perform tasks autonomously, such as take-off, landing, waypoint navigation, payload delivery, etc.

copilot Entiendo que deseas diseñar un oscilador utilizando el chip 555. Aquí están algunos pasos que puedes seguir para hacer esto. Conecta el pin 1 (GND) del IC 555 a la terminal negativa de tu fuente de alimentación (0V). Conecta el pin 8 (VCC) del IC 555 a la terminal positiva de tu fuente de alimentación (11V). Conecta la resistencia de 10kΩ (R1) entre el pin 8 (VCC) y el pin 7 (DISCHARGE) del 555. Conecta tu potenciómetro de 100kΩ (R2) entre el pin 7 (DISCHARGE) y el pin 6 (THRESHOLD) del 555. Junta los pines 2 (TRIGGER) y 6 (THRESHOLD) juntos y conecta los pines unidos al lado negativo de tu condensador de 10nF (C). Conecta el lado positivo del condensador de 10nF (C) a VCC (el pin 8). Conecta el pin 4 (RESET) al VCC si no quieres usar la función de reset. De lo contrario, puedes conectar una señal de reset aquí. Conecta el pin 3 (OUTPUT) del 555 al terminal positivo de tu resistencia de 470Ω. Conecta el otro terminal de la resistencia a tierra. El condensador de 10uF debe estar conectado en paralelo a la alimentación (entre VCC y GND) para suavizar cualquier ruido en la fuente de alimentación de 11V. Te sugiero que experimentes con el valor del potenciómetro (R2) hasta que consigas el Duty Cycle deseado. Por lo general, es posible cambiar la frecuencia del pulso y ajustar el Duty Cycle utilizando este control. Si, después de realizar estas conexiones y ajustes, aún no puedes obtener el Duty Cycle deseado, podría ser indicativo de que los valores de resistencia y condensador que tienes no son adecuados para tu rango de frecuencia y Duty Cycle objetivo. Para que obtengamos un Duty Cycle del 75%, necesitamos usar el chip 555 en modo astable y debemos calcular los valores de R1 y R2 (resistencia total de carga y descarga respectivamente) que nos ayude a conseguir esto. El tiempo de alta (T_high) y el tiempo de baja del ciclo (T_low) de la oscilación salen determinados por R1, R2, y C (el condensador). Se pueden usar las siguientes fórmulas para calcularlos: T_high = 0.693 * (R1 + R2) * C T_low = 0.693 * R2 * C Duty cycle = ( T_high ) / ( T_high + T_low ) Para un Duty Cycle de 0.75: Estableceremos R1 como la resistencia de 10 kilohmios que se proporcionó. Con el potenciómetro de 100 kilohmios como R2, podemos variarlo para ajustar el Duty Cycle según necesitemos hasta que se llegue a la relación deseada. Considerando que el condensador C es el condensador de 10 nF que se proporcionó, anteriores declaraciones son bajo supuesto que el tiempo de operación (T = T_high + T_low) caiga en un rango aceptable. Para el esquemático: Conecta VCC de tu 555 al terminal positivo de tu fuente de voltaje de 11V y GND a tierra. Conecta los pines 2 (TRIGGER) y 6 (THRESHOLD) juntos y al lado negativo de tu condensador de 10nF. Conecta el lado positivo del condensador a VCC. Conecta el pin 3 (OUTPUT) al terminal positivo de tu resistencia de 470 ohmios. Conecta el otro terminal de la resistencia a tierra. Conecta tu resistencia de 10 kilohmios entre VCC y los pines 2 y 6 del 555. Finalmente, conecta tu potenciómetro entre los pines 2 y 6 y el pin 7 (DISCHARGE) del 555. El condensador de 10uF debería estar conectado en paralelo a la alimentación para suavizar cualquier ruido en la alimentación de 11V. Estas son mis suposiciones y pasos sugeridos pero recuerda variar el potenciómetro hasta conseguir el Duty Cycle deseado en caso de no conseguirlo de forma inmediata. Si por alguna razón no puedes conseguir el Duty Cycle de 75%, es posible que las resistencias y condensadores proporcionados no sean los adecuados para el rango de frecuencia y Duty Cycle deseados. En tal caso, puede que tengas que utilizar otros valores de componentes.

Personalized keyboard controller based on the ATMEGA32U4 and Arduino-compatible. Designed with USB-C connection and features a 2-Axis Switch Thumb Joystick by @sparkfun and tactile switches.

BLE remote control board. Based on SoC ESP32-C3-MINI-1 that allows you to program it as HID volume multichannel control, you can switch channels with the user button, or use it as arrow keys. #internetOfThings

This project is a WiFi Camera with Motion Detection, utilizing ESP32-CAM module and HC-SR501 PIR sensor. The camera is activated by the sensor's output. The system also includes power regulation and communication headers for setup and control. #WiFi #MCU #PIR #ReferenceDesign #project #ESP32 #camera #referenceDesign #edgeComputing #espressif #template #reference-design.

Portable Audio DSP project utilizing multiple ICs, capacitors, resistors, and LEDs for advanced audio processing and control. Designed for embedded audio applications with ESP32, ADC, DAC, and interface components. #audioDevices #DSP #ADC #audio #DAC

The Pico Macro Keyboard is a compact and powerful macro pad built using the latest Raspberry Pi Pico 2. Inspired by the Figma Creator Micro, this keyboard is designed for customizable control and enhanced productivity. It features mechanical switches with per-key RGB lighting, along with two rotary encoders for added functionality. With a modular 4-layer PCB and fully customizable keymaps, it seamlessly integrates with any software, making it perfect for designers, gamers, and power users alike.

This project is designed to measure water level of two tanks using ultrasonic sensors interfaced with the ESP32 microcontroller. The design leverages the processing power and wireless connectivity of the ESP32 to accurately monitor water levels and support automated water management processes. Key components include two ultrasonic sensors for precise distance measurement, robust voltage regulation using an LM2596 buck converter, and reliable power management circuits. Its modular design approach facilitates easy expansion and integration with other systems, making it an ideal solution for both DIY enthusiasts and professionals in automated fluid control and IoT applications. Firmware: https://github.com/jharwinbarrozo/ESP32-Dual-Ultrasonic-Water-Level-Monitoring-System #ESP32 #UltrasonicSensor #WaterLevelSensor #LM2596 #VoltageRegulator #ModularDesign #IoT #DIYProjects #ElectronicsDesign #automation

Control board for autonomous or radio-controlled robots. It has inputs to connect distance sensors and encoders for autonomous mode. It can be radio controlled by the ESP32 bluetooth or by connecting a Flysky RC controller receiver to the IBUS port. It also has 3 push buttons and you can connect some kind of display by I2C to visualize and select configuration modes.

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

This project is a 6-output irrigation control board with pump and other device support. It features 8 connectors, 2 GPIO pins each, and a GC9A01A display. The board is powered by an STM32L073V8T6 microcontroller and has 6 LEDs connected to GPIO pins. #irrigationcontrol #STM32 #GPIO #GC9A01A #LEDs.

This project is a Pulse Width Modulation (PWM) Controller, built around an LM555 timer IC. It controls a load connected to a MOSFET, with adjustments via a potentiometer, and uses capacitors, resistors and diodes for various functions. #PWM #controller #project #Template #projectTemplate

10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5