{"title":"Development Boards \u0026 Microcontrollers","description":"\u003ch2\u003eDevelopment Boards \u0026amp; Microcontrollers — Arduino, ESP32, Raspberry Pi \u0026amp; More\u003c\/h2\u003e\n\n\u003cp\u003eEverything you need to prototype, build, and deploy embedded systems and IoT projects. This collection covers the complete ecosystem of development boards, microcontroller modules, sensors, actuators, communication modules, displays, and power management components — from beginner-friendly Arduino Uno kits to advanced ESP32 dual-core WiFi\/Bluetooth boards and Raspberry Pi accessories.\u003c\/p\u003e\n\n\u003ch3\u003eMicrocontroller Development Boards\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino Uno R3 \/ Nano \/ Mega \/ Leonardo:\u003c\/strong\u003e The standard platform for electronics education and prototyping — ATmega328P, ATmega2560, ATmega32U4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eESP32 (DevKitC, ESP32-CAM, ESP32-C3, ESP32-S3):\u003c\/strong\u003e Dual-core 240MHz with WiFi + Bluetooth — the go-to platform for IoT and wireless projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eESP8266 (NodeMCU V2\/V3, D1 Mini, ESP-01):\u003c\/strong\u003e Low-cost WiFi for simple IoT applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F103C8T6 (Blue Pill):\u003c\/strong\u003e ARM Cortex-M3 at 72MHz — for high-performance embedded applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRaspberry Pi Pico RP2040:\u003c\/strong\u003e Dual-core Cortex-M0+ with 2MB flash — MicroPython and C\/C++ compatible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigispark ATtiny85:\u003c\/strong\u003e Tiny USB-programmable microcontroller for minimal footprint projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSensors \u0026amp; Input Modules\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature \u0026amp; Humidity:\u003c\/strong\u003e DHT11, DHT22, DS18B20 waterproof probe, AM2302\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDistance \u0026amp; Proximity:\u003c\/strong\u003e HC-SR04 ultrasonic, VL53L0X\/VL6180X ToF laser, JSN-SR04T waterproof\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotion \u0026amp; IMU:\u003c\/strong\u003e MPU-6050 6-axis gyro\/accelerometer, RCWL-0516 microwave radar, SW-420 vibration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental:\u003c\/strong\u003e Rain\/snow detection, water turbidity, soil moisture, gas sensors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptical:\u003c\/strong\u003e IR remote control, color sensor TCS34725, LDR photoresistor, laser module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnetic:\u003c\/strong\u003e Hall effect, reed switch, QMC5883L compass magnetometer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommunication Modules\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth:\u003c\/strong\u003e HC-05\/HC-06 classic, HM-10 BLE 4.0, BT-06\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiFi:\u003c\/strong\u003e ESP8266 ESP-01\/ESP-12E\/ESP-12F standalone modules\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoRa:\u003c\/strong\u003e RA-01\/RA-02 SX1278 433MHz long-range wireless\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNFC\/RFID:\u003c\/strong\u003e MFRC-522 RC522 13.56MHz, NFC reader kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGPS:\u003c\/strong\u003e NEO-6M\/7M\/8M satellite positioning modules\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRS-485\/RS-232:\u003c\/strong\u003e MAX485, USB-to-RS485, FT232RL USB-to-TTL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCAN Bus:\u003c\/strong\u003e TJA1042\/TJA1051 high-speed CAN transceiver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2.4GHz:\u003c\/strong\u003e NRF24L01+ wireless transceiver with PA+LNA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMotor Control \u0026amp; Actuators\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC Motor Drivers:\u003c\/strong\u003e L298N dual H-bridge, L293D mini driver, IRF520 MOSFET\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStepper Motors:\u003c\/strong\u003e 28BYJ-48 with ULN2003 driver, CNC Shield V3\/V4 with DRV8825\/A4988\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eServo:\u003c\/strong\u003e SG90\/MG90S servo tester, PCA9685 16-channel PWM driver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Modules:\u003c\/strong\u003e 1\/2\/4\/8-channel relay with optocoupler isolation, SSR solid state relay\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisplays \u0026amp; User Interface\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOLED:\u003c\/strong\u003e 0.96\" SSD1306\/SSD1315 128×64 I²C display\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLCD:\u003c\/strong\u003e 1602 16×2 and 2004 20×4 I²C LCD with blue\/green backlight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTFT:\u003c\/strong\u003e 2.4\" color touch screen for Arduino Uno\/Mega\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Matrix:\u003c\/strong\u003e MAX7219 4-in-1 dot matrix display\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePower \u0026amp; Prototyping\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBreadboards:\u003c\/strong\u003e 400-point and 830-point solderless breadboards with power modules\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Modules:\u003c\/strong\u003e MB102 3.3V\/5V, AC-DC 220V to 5V\/12V, XL4005 buck converter, boost converter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrototype PCBs:\u003c\/strong\u003e 5×7cm and 7×9cm double-sided copper boards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogic Level Converters:\u003c\/strong\u003e 4\/8-channel bidirectional 5V↔3.3V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAll boards and modules are new, tested, and in stock. Compatible with Arduino IDE, MicroPython, ESP-IDF, and STM32CubeIDE.\u003c\/p\u003e","products":[{"product_id":"jst-xhp-254mm-connector-kit-assorted-arduino","title":"JST XHP 2.54mm Wire-to-Board Connector Kit — Assorted Pin Counts, Arduino Compatible","description":"\u003ch2\u003eJST XHP 2.54mm Wire-to-Board Connector Kit — Assorted Pin Counts\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eJST XHP 2.54mm (0.1\") connector\u003c\/strong\u003e is the standard wire-to-board connector for Arduino, Raspberry Pi GPIO, and breadboard prototyping. The 2.54mm pitch matches standard 0.1\" pin headers, making XHP connectors the go-to choice for creating reliable, removable wire connections to PCBs and development boards. This kit includes assorted pin counts so you have the right connector for any project.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 2.54mm (0.1\") — matches standard pin headers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 3A per contact\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Voltage:\u003c\/strong\u003e 250V AC\/DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContact Material:\u003c\/strong\u003e Copper alloy, tin-plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e Nylon (PA66), UL94V-0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Positive latch — connector locks in place and requires deliberate release\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eXHP vs Other JST Connectors\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJST XHP (2.54mm):\u003c\/strong\u003e Largest pitch — matches 0.1\" pin headers, highest current rating, easiest to crimp by hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJST PH (2.0mm):\u003c\/strong\u003e Medium pitch — common for LiPo battery connections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJST ZH (1.5mm):\u003c\/strong\u003e Small pitch — for compact PCB connections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJST SH (1.0mm):\u003c\/strong\u003e Smallest pitch — for ultra-compact FPC-style connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino sensor wiring:\u003c\/strong\u003e Create removable connections between sensors and Arduino shields\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRaspberry Pi GPIO:\u003c\/strong\u003e Reliable locking connections to GPIO pin headers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustom cable assemblies:\u003c\/strong\u003e Build professional-looking wiring harnesses for projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower connections:\u003c\/strong\u003e Battery and power supply connections with positive locking\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB prototyping:\u003c\/strong\u003e Removable wire connections to perfboard and custom PCBs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAssorted pin counts — JST XHP 2.54mm connector kit for reliable, removable wire-to-board connections in Arduino, Raspberry Pi, and electronics prototyping projects.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45616197107947,"sku":"\u003cnone\u003e","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/JST_XHP2.54_Cable_Connector_Kit.webp?v=1723363282"},{"product_id":"atmega328p-with-bootloader","title":"ATmega328P Microcontroller with Arduino Bootloader","description":"\u003ch2\u003eATmega328P Microcontroller with Arduino Bootloader — DIP-28\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eATmega328P\u003c\/strong\u003e is the heart of the Arduino Uno — an 8-bit AVR microcontroller with the \u003cstrong\u003eArduino Uno bootloader pre-loaded\u003c\/strong\u003e, ready to program via USB without a dedicated programmer. 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With \u003cstrong\u003e54 digital I\/O pins\u003c\/strong\u003e, \u003cstrong\u003e12 PWM outputs\u003c\/strong\u003e, \u003cstrong\u003e12-bit DAC\u003c\/strong\u003e, and \u003cstrong\u003e512KB flash\u003c\/strong\u003e, it is ideal for demanding applications requiring high processing speed, large memory, and advanced peripherals. 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The DS3231S uses a \u003cstrong\u003etemperature-compensated crystal oscillator (TCXO)\u003c\/strong\u003e for \u003cstrong\u003e±2ppm accuracy\u003c\/strong\u003e across the full temperature range — significantly more accurate than DS1307-based modules. Includes \u003cstrong\u003eCR2032 battery backup\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRTC IC: \u003cstrong\u003eDS3231S\u003c\/strong\u003e | Accuracy: \u003cstrong\u003e±2ppm (±1 min\/year)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOscillator: \u003cstrong\u003eTemperature-compensated crystal (TCXO)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEEPROM: \u003cstrong\u003eAT24C32 (32Kbit \/ 4KB)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInterface: \u003cstrong\u003eI2C (0x68 RTC \/ 0x57 EEPROM)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery: \u003cstrong\u003eCR2032 backup\u003c\/strong\u003e | Supply: \u003cstrong\u003e3.3–5V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTemperature sensor: \u003cstrong\u003e±3°C accuracy\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAlarms: \u003cstrong\u003e2 programmable alarms\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eTCXO ±2ppm accuracy\u003c\/strong\u003e — stable across −40°C to +85°C temperature range\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAT24C32 EEPROM\u003c\/strong\u003e — store configuration data and timestamps\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBattery backup\u003c\/strong\u003e — maintains time through power outages\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRTClib compatible\u003c\/strong\u003e — extensive Arduino community support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino clock and calendar projects\u003c\/li\u003e\n\u003cli\u003eData logger timestamp recording\u003c\/li\u003e\n\u003cli\u003eScheduled automation and alarm systems\u003c\/li\u003e\n\u003cli\u003eIndustrial time-keeping requiring temperature stability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45669153374443,"sku":"","price":19.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/DS3231-with-EEPROM-Module-1.jpg?v=1723009659"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/collections\/image_e464210e-9e21-4500-a1a3-cdb1117aaa92.png?v=1776233572","url":"https:\/\/keszoox.com\/collections\/development-boards-microcontrollers.oembed?page=18","provider":"Keszoox","version":"1.0","type":"link"}