Red Hammer

L293D WiFi Motor Driver Shield Expansion Board Module for Arduino NodeMcu Lua ESP8266 ESP-12E

Arduino LCD1602 character LCD expansion board, the motherboard uses a new high-quality 2 lines of 16 characters LCD, not only has a contrast adjustment knob, backlight selector switch Display capacity: 16 × 2 characters Chip operating voltage: 4.5-5.5V Working current: 2.0mA (5.0V)

LCD display module with blue blacklight. Wide viewing angle and high contrast. Built-in industry standard HD44780 equivalent LCD controller. Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and storage devices. LCM type: Characters Can display 2-lines X 16-characters. Voltage: 5V DC. Module dimension: 80mm x 35mm x […]

Heart Rate click carries Maxim’s MAX30100 integrated pulse oximetry and heart-rate sensor. It’s an optical sensor that derives its readings from emitting two wavelengths of light from two LEDs – a red and an infrared one – then measuring the absorbance of pulsing blood through a photodetector. This particular LED color combination is optimized for […]

Smart Electronics MAX7219 LED Display Control 8 Digit Dot Matrix Module for Diy Starter Kit MAX 7219 with Dupont Cable

Working voltage: DC 5V Working current: 5mA (1 microamp standby current. Except the power indicator) Dimension: 4.4cm x 2.8cm Screw hole center spacing: 23mm x 38mm Working temperature: -40¡ãC ~ 85¡ãC

This MEGA Sensor Shield V2.0 dedicated sensor expansion board assembly market a variety of advantages in one of the expansion board design, PCB Immersion Gold processing technology. Board not only all digital and analog interface to the steering gear line order form extended out, but also ad hoc Bluetooth module communication interface, SD card module […]

Level conversion circuit board that can interface level is 5V or 3.3V Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board Communications interface is a standard SPI interface 4 M2 screws positioning holes for easy installation Positioning holes: 4 M2 screws positioning holes with a diameter of 2.2mm, so the module is easy […]

Type:Voltage Regulator Condition:New Supply Voltage:5V Model Number:MCU-Power Supply Module Connection:Plug In Output Interface: USB Usage:Power transfer interface Output Type:5V power supply module

Pins: GND, VBUS, ID, D+, D- Pitch Pin Spacing: 2.54mm Standard (0.1″) USB is the data & power connection for Systems

Microwave Doppler Radar Wireless Module Motion Sensor HB100 Microwave Motion Sensor Motion Detector

Display current sensor data, including: Engine RPM, Calculated Load Value, Coolant Temperature, Fuel System Status, Vehicle Speed, Short Term Fuel Trim, Long Term Fuel Trim. Display current sensor data, including: Intake Manifold Pressure, Timing Advance, Intake Air Temperature, Air Flow Rate, Absolute Throttle Position, Oxygen sensor voltages/associated short term fuel trims, Fuel System status, Fuel […]