Best Clock Module

MEGA 2560 Starter Kit Ultra (100% Arduino IDE Compatible) w/ Battery Holder, Sensors, Modules, Resistor kit and Components (no Supply)

• -Arduino MEGA R3 (generic high quality) + USB cable -6xAA Battery holder (9VDC) -WiFi ESP8266 module -Model Bluetooth Master / Slave HC-05 -Box with plastic cells (organizer of components) -Shield for prototypes + Mini-Breadboard -Large Breadboard (830 points ) -Dupont Cables 10 * Female-Female + 10 * Male-Female + 10 Male-Male -Cable Jumper for breadboard -6 Push Buttons with multicolored caps -Joystick Module type PS2.
• -RC-522 RFID Module with white RFID Card and RFID Keychain -High-precision RTC Real-Time Clock Module DS3231 and EEPROM AT24C32 -PIR Presence Sensor HC-SR501 -Distance measurement module HCSR04 -Sound sensor detector module with programmable threshold -LM35 temperature sensor -Tilt detector module -Servo SG90 motor -Stepper motor (5V) -Motor driver module for stepper motor ULN2003.
• 5V Active Buzzer -5V Passive Buzzer -LCD 1602 16 characters * 2 lines -LED Display Driver MAX7219 -LED Matrix Display of 8*8 -7 Segments Display 1 digit -7 Segments Display 4 digits -Simple Relay Module - Infrared Remote Control 38kHz - 38kHz Infrared decoder receiver (type 1838) - Infrared phototransistor (Flame sensor) - Infrared LED - Light sensor (Photoresistor).
• -10 * LEDs 5mm Diffused RED -10 * LEDs 5mm Diffused GREEN -10 * LEDs 5mm Diffused YELLOW -5 *....

Cre8audio, 49-Key Eurorack Keyboard (niftykeyz)

• 49-key Synthesizer MIDI Controller Aftertouch.
• Modwheel & clock-synced LFO CV and MIDI output.
• Velocity & aftertouch CV and MIDI output.

3D Printer Control Board Back EMF Protection Powerful 520Kb RAM USB Update Firmware ESP32 3D Printer Motherboard with WiFi for Serial Screen

• SUPPORT VARIOUS SCREEN: This is a 3D printer main control board with onboard ESP32 wifi, supports for Marlin2.0 firmware, in addition to ordinary....
• 32 BIT MICROPROCESSOR: Built in ESP32 DOWD V3 chip, for Xtensa dual core 32 bit LX6 microprocessor, supporting clock frequency up to 240MHz.
• POWERFUL AND VERSATILE: The main board adopt ESP32 WROOM 32U module, embedded dual core 32 bit high speed MCU, the clock is up to 240MHz. And....
• 8M BYTE CHIP: In addition, the module has a built in 8M byte Flash memory chip, which provides effective protection for more application scenarios.
• BACK EMF PROTECTION: VEXP has designed a protection circuit for the back EMF generated by the stepper motor, which greatly reduces the damage to the....

HiLetgo 2pcs CP2102 MICRO USB to UART TTL Module 6 Pin Serial Converter STC Replace FT232

waveshare Original Raspberry Pi Compute Module 4 IO Board for All Variants of Compute Module 4,with Real-Time Clock Dual MIPI DSI/CSI Interfaces,USB Connectors

• The Compute Module 4 IO Board is a companion board for all variants of Raspberry Pi Compute Module 4(supplied separately). It is designed for use both as a development system for Compute Module 4 and as an embedded board integrated into end products..
• The Compute Module 4 IO Board is designed to allow you to create systems quickly using off-theshelf parts such as HATs and PCIe cards, which might include NVMe, SATA, networking, or USB. The major user connectors are located along one side to make enclosures simple..
• Connectors: Standard Raspberry Pi HAT connectors with PoE support. Standard PCIe Gen 2 x1 socket. Various jumpers to disable specific features, e.g. wireless connectivity, EEPROM writing..
• RTC : Real-time clock with battery socket and ability to wake Compute Module 4 Video: 2 x MIPI DSI display FPC connectors (22-pin 0.5 mm pitch cable) Camera: 2 x MIPI CSI-2 camera FPC connectors (22-pin 0.5 mm pitch cable).
• USB: 2 x USB 2.0 connectors. Micro USB socket for updating Compute Module 4. Ethernet: Gigabit Ethernet RJ45 with PoE support..

KEYESTUDIO Basic Starter Kit for Microbit V2 V1.5 (Not Included), with 35 Lessons Tutorial, i2c LCD, 5V Relay, LED Matrix, Breadboard Components Great for Teens Kids STEM Programming

• The easy plug starter kit v2.0 are designed for STEM education and it allows children to learn programming easily or teachers to bring the detailed lesson plans into their classroom and embed them in their learning system..
• It contains a control board, 8 piece RJ11 cables, a USB cable, and 25 piece popular and creative sensors and modules like Fan Motor, DS3231 Clock Module, IR Receiver Module, 2812 RGB Module, OLED Module, Ultrasonic Module, PIR Motion Sensor, etc..
• A big surprise is that there are no complicated jumpers and soldering, they are convenient to connect using the RJ11 interface, and we also provide Mixly graphical programming tutorial..
• Mixly is a free open-source graphical for Arduino programming software, based on Google’s Blockly graphical programming framework..
• This programming learning kit includes 22 interesting and instructive tutorials, step by step to familiarize you with electronic modules, exercise your logical thinking and develop your ideas..

KEYESTUDIO Starter Kit V2 for Arduino with RJ11 Connector, Great STEM Education Kit for Students, Teachers and Hardware Enthusiast

• Whenever you and your family go for vacations, you may used to get worried about your plants because they need water on regular basis. We develop this Automatic Plant Watering System to solve this problem as plants need water according to the moisture level of soil..
• The kit includes a plus controller, DHT22 temperature and humidity sensor, I2C LCD, push button modules, power amplifier module, DS3231 clock module, non-contact level liquid sensor, motor driver module, capacitive soil humidity sensor, and pump..
• More than 13 well-selected electronic modules and 17 step by step creative tutorials. Full example code is provided and explained and even includes useful software tool..
• Multi-purpose: timing watering mode, and the sensor detection mode that when the soil is dry, Arduino will command the water pump to run(up to 4 plants at once)..
• Our system measures the soil moisture and waters automatically according to it. A audio power amplifier module tells us when the bucket is empty. I2C LCD displays the temperature and humidity..

ELEGOO Upgraded 37 in 1 Sensor Modules Kit with Tutorial Compatible with Arduino IDE UNO R3 MEGA Nano

• Updated from the old version (others): Received great ideas from our customers and adopted in this upgraded kit..
• Removed useless modules like light cup and mercury module, heartbeat sensor, two of the hall sensors, one of the dual-color sensor. Add useful modules like GY-521 accelerometer module, LCD1602 screen, DS1307 real time clock module etc..
• Upgraded tutorial only for R3, MEGA R3, NANO in CD, listing paper, resistors pack only from Elegoo Team. There are tutorials in the CD that comes with. If you prefer download the tutorials online from the official website.
• 100% compatible with Arduino official IDE, Raspberry Pi and STM32..
• Note: To use Elegoo starter kits requires basic electronic knowledge. If the user has no experience, it would be better to have someone lead and teach them while studying..

Aoicrie 16x2 2004 LCD Display Module with IIC/I2C/TWI Serial Interface Adapter, IIC I2C TWI 1602 Serial LCD Module Display, for Mega 2560

• IIC I2C TWI 1602 Serial LCD Module Display for R3 Mega 2560 16x2..
• Easy to use. Less I/O ports are occupied, only four - VCC, GND, SDA (serial data line), SCL (serial clock line)..
• Support IIC protocol. The I2C LCD1602 library is provided, so you can call it directly..
• With a potentiometer used to adjust backlight and contrast.Power supply: +5V, Address of the module: ox27..
• Widely Applications: LCD display module based on the popular HD44780 controller, works great with for Mega2560 board and other micro-controllers..