Arduino Schematics

This 3.5-inch SPI interface TFT LCD module features the high-performance ILI9488 driver chip, supporting a resolution of 480x320 and a 65K color display. It communicates via the SPI protocol, requiring only a few IO ports to power on. The module has an SD card slot and offers a GPIO expansion interface, lowering the barrier for embedded development. The touch functionality is optional and is compatible with mainstream development boards such as STM32 and Arduino. It is suitable for applications in industrial HMI, smart home control panels, portable devices, and more.

JST PH Connector Header Through Hole 2-pin 0.079" (2.00mm) battery connector JST PH 2 pin The B2B-PH-K-S is a 2-position vertical header connector with a 2.0 mm pitch, designed for mating with JST PH series crimp housings (e.g., PHR-2). It is commonly used in consumer electronics, battery connections, and small embedded systems due to its compact size and secure locking mechanism. Key Features Series: JST PH Series Number of Pins: 2 Pitch: 2.0 mm Mounting Type: Through-hole (vertical) Contact Type: Male pin header Mating Type: Friction lock (secure connection) Current Rating: ~2 A (typical, depends on wire and conditions) Voltage Rating: ~100 V Contact Material: Copper alloy (tin-plated) Housing Material: UL94V-0 rated plastic (flame-retardant) Operating Temperature: Typically -25°C to +85°C Typical Applications Battery connectors (Li-ion/LiPo packs) Power supply connections in small devices Embedded systems (e.g., Arduino, sensors) Consumer electronics (fans, LEDs, small appliances) #CommonPartsLibrary #Connector #Header #JST-PH

Production-Ready Automotive Crash Detection Controller PCB (90x60mm) – 2-Layer with Arduino Nano, SIM7600E-H, IMU & RF

Arduino UNO Rev3 Microcontroller Board, ATmega328P Ћ Arduino A000066

Screw-terminal wiring and power-distribution PCB for an Arduino Mega, four BTS7960 DC motor drivers, a TB6600 stepper driver, relay-controlled pumps, MG996R servos, HC-SR04 sensors, DS18B20 probes, and potentiometers. Accepts 24V and interfaces to external high-current buck converters.

Modular 3.3V Arduino Nano ESP32 controller with I2C-connected Modulino Buttons and LED Pixels nodes plus Qwiic JST-SH daisy-chain connector.

Controlador basado en Arduino Nano para dosificación con celda de carga HX711, RTC DS3231, tarjeta SD, LCD I2C, teclado, sensores Hall/IR y tres motores paso a paso con drivers A4988 desde entrada 12 VDC.

Controlador basado en Arduino Nano para dosificación con celda de carga HX711, RTC DS3231, tarjeta SD, LCD I2C, teclado, sensores Hall/IR y tres motores paso a paso con drivers A4988 desde entrada 12 VDC.

18 V battery-powered BLDC blower control board using an Arduino Nano, LM2596 5 V buck module, P-channel MOSFET power cutoff, battery voltage sensing, potentiometer input, buzzer, and red/green status LEDs. High-current 18 V blower path is sized for up to 5 A.

Carrier PCB schematic for a four-wheel Arduino Nano ESP32 spy car using two TB6612FNG motor-driver modules, removable Nano sockets, servo/sensor/light/buzzer connectors, and protected shared battery power. PCB layout is intentionally deferred pending module dimensions and electrical ratings.

Provisional LM393 comparator interface for conditioning VINCA digital dial indicator clock/data signals into Arduino Uno 5 V logic, pending oscilloscope verification of pinout and amplitudes.

Template for Arduino Uno R3 Shield. Include an official pinout so you will always know Arduino names, the alternative roles of pins, which one is SDA, or SCL, etc. On PCB you can find the 3D model of the Arduino Uno R3 itself along with the board outline on the silkscreen. #Arduino #Uno #Shield #Template #project-template #project

Arduino Template based on ATMEGA2560-16AU. This MCU is used in Arduino Mega2560, Arduino Arduino Mega ADK, and some other. This template is a good starting point for your Arduino based project. #Arduino #mega #2560 #ATMEGA2560 #template #project #project-template

Example project for an Arduino MKR shield. It adds an external flash memory to the Arduino MKR. Based on the Arduino MKR Shield template. #project #arduino #shield #MKR

Arduino Nano-based DCS-BIOS RS-485 interface module using a MAX487CPA+ transceiver and two RJ45 sockets for bus daisy-chaining.

Template for Arduino Uno R3 Shield. Include an official pinout so you will always know Arduino names, the alternative roles of pins, which one is SDA, or SCL, etc. On PCB you can find the 3D model of the Arduino Uno R3 itself along with the board outline on the silkscreen. #Arduino #Uno #Shield #Template #project-template #project

Secure offline password manager using Arduino Pro Micro, MB85RC256V F-RAM, detachable Nokia 5110 LCD, rotary encoder, and 3.3 V support circuitry.

The Arduino UNO R4 WiFi features a 32-bit Renesas RA4M1 microcontroller (48 MHz ARM Cortex M4) and ESP32-S3-MINI-1-N8 WiFi module. The board features enhanced memory specifications with 256kB flash, 32kB SRAM, and 8kB EEPROM, while supporting both WiFi (802.11 b/g/n) and Bluetooth® 5.x connectivity at 2.4GHz. This combination of features makes it a versatile platform for wireless communication projects and IoT applications, offering significantly more processing power and connectivity options than previous UNO models.

Arduino Uno R4 WiFi shield/carrier PCB for the C4 Coffee Co smart scale prototype, integrating RS485 load-cell wiring, service connectors, display/buttons, protection footprints, and test access.

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.402GHz ~ 2.48GHz Antenna Not Included Surface Mount The ESP32-C3 is a low-power, highly integrated 32-bit microcontroller (MCU) from Espressif Systems that combines 2.4 GHz Wi-Fi and Bluetooth® 5 Low Energy (BLE) connectivity in a single chip. Built around a single-core RISC-V processor running at up to 160 MHz, it is designed for secure, cost-effective IoT and embedded applications. The ESP32-C3 offers excellent wireless performance, low power consumption, robust security features, and a rich set of peripherals, making it ideal for smart home devices, industrial automation, wearable electronics, wireless sensors, and consumer IoT products. Key Features 32-bit RISC-V single-core CPU running up to 160 MHz Integrated 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth® 5 LE Low-power architecture with multiple sleep modes for battery-powered devices Advanced security features including Secure Boot, Flash Encryption, AES, SHA, RSA, HMAC, and hardware random number generator (RNG) Rich peripheral set including GPIO, UART, SPI, I²C, I²S, PWM, ADC, TWAI (CAN), USB Serial/JTAG, and timers Supports external QSPI flash memory and OTA (Over-the-Air) firmware updates Compact package options suitable for space-constrained embedded designs Fully supported by the ESP-IDF, Arduino, and MicroPython development ecosystems #ESP32C3 #Espressif #RISCV #WiFi #BluetoothLE #IoT #EmbeddedSystems #Microcontroller #WirelessMCU #LowPower #SmartHome #IndustrialIoT #SecureMCU #EdgeComputing #FirmwareDevelopment

Open Modular UNO-Q PLC Rev B — DIN-rail modular CAN I/O PLC architecture based on Arduino UNO Q

Arduino Mega 2560 sensor/actuator interface shield for a firefighting differential robot with labeled connectors, onboard IR receiver, buzzer, MPU6050 header, battery VIN protection, battery sensing, LED outputs, and fan MOSFET control.

Low-voltage logic-only CERILUME Phase 1 LED controller using an Arduino Nano ESP32 plug-in module, 5V logic level shifting for WS2812/SK6812 data, microphone input header, and labeled test pads. LED power distribution and high-current switching are intentionally out of scope.

Arduino Nano ESP32 industrial carrier board for the Ascent Condensation Intelligence Monitor with environmental, PT1000, condensation, RTC, SD, LiDAR, LTE expansion, relay, buzzer, and protected field interfaces.

MCP9808 - Temperature Sensor Evaluation Board The Adafruit 1782 MCP9808 Temperature Sensor Breakout is a compact sensor evaluation board that enables high-accuracy digital temperature measurement using the MCP9808 sensor IC. It supports an I²C communication interface, allowing simple connection to microcontrollers while maintaining high precision over a wide operating temperature range. Key Features High Accuracy Temperature Sensing: Typical accuracy of ±0.25°C for reliable temperature monitoring. Wide Temperature Range: Measures temperatures from -40°C to +125°C. Digital I²C Interface: Simple two-wire communication interface for easy integration with embedded systems. High Resolution: Provides temperature resolution up to 0.0625°C. Wide Supply Voltage Range: Operates from 2.7V to 5.5V, compatible with common logic levels. Multiple Device Addressing: Configurable address pins allow multiple sensors to share the same I²C bus. Compact Breakout Board Design: Includes supporting components and headers for quick prototyping. Low Power Consumption: Suitable for battery-powered and portable applications. Applications IoT environmental monitoring Weather stations Industrial temperature monitoring Battery management systems Data logging equipment Embedded control systems Hashtags #Adafruit1782 #MCP9808 #TemperatureSensor #DigitalSensor #I2C #EmbeddedSystems #IoT #Arduino #RaspberryPi #SensorModule #ElectronicsDesign #HardwareDevelopment