This module is fully compatible with A4988 board extra standby function you can reduce the heating between drive and motor; Maximum drive current: 2A; Features: 1 Low RDS (ON) outputs; 2 Automatic current decay mode detection / selection; 3. Mixed with slow current decay modes; 4 Synchronous rectification for low power dissipation; 5. Internal UVLO; 6 Crossover current protection; 7 3.3 and 5 V compatible logic supply; 8 Thermal shutdown circuit; 9 Ground Fault; 10 Load short-circuit protection; 11 Optional step five modes: full 1/2 1/4 1/8 and 1/16
Analog output; Level output; High sensibility microphone; LED indicator light
Properties: non-isolated step-down module synchronous rectifier; Input Voltage: 4~35V please keep the power margin to ensure the safe use of the module; Output voltage: 1.2~32V continuously adjustable; Minimum input output pressure: 2.5V; Output current: 0.4~10A long natural cooling within 6A; Temperature not exceeding 60° the ambient temperature is high please use the buck; Output current range: 0.3~10A; Working temperature: -40~+85'C; Operating frequency: 150KHz; Conversion efficiency: up to 96% (efficiency and input and output voltage current pressure related); Short-circuit protection: Yes (constant current limiting current value); Over-temperature protection: (automatically reduces the output current over temperature after); Connection: terminals free soldering; In the input Out is output. Note: 1. Do not reverse reverse will burn. 2. Must control the input voltage is within 35V do not exceed otherwise the chip will be burned. 3 There is no anti-irrigation output protection diode plus your own needs.
Model N/A Quantity 1 Color Black + Pale golden Material PC + gold plating Features Detects soil humidity. Specification Input voltage: DC 5V; S: analog output end connects to the AO of Arduino main board Application Used to detect the humidity of soil. Great for Arduino DIY. English Manual/Spec Yes Packing List 1 x Soil humidity sensor module
Brand N/A Model LM317 Quantity 1 Color Blue Material Plastic + iron Specification DC input: 5~35V; AC input: 6~25V; DC output: 1.25~30V Features Adjustable module Application Various electronic products or DIY project English Manual/Spec Yes Other Schematic Download: http://pan.baidu.com/share/link?shareid=548299&uk=1161248057; Board size: 71mm × 46mm; DC input: 5~35V; AC input: 6~25V; DC output: 1.25~30V; Maximum current: 1A; Input and output minimum differential pressure: 3V; With output protection on-board with self-recovery fuse play short-circuit protection; Output interface with audio cable clip very convenient; Output with power switch; Input with rectifier circuit can polarity input Packing List 1 x LM317 adjustable module
Model: 2-Channel relay module - Quantity: 1 - Color: Black + Blue - Material: PCB board - Equipped with high-current relay: AC 250V 10A; DC 30V 10A - Compatible for 51 / AVR / AVR / ARM platform - 2-Channel relay module extension board to load high current in home appliances - Standard interface that can be controlled directly by microcontroller - LED indicator for relay output status - Great for electric product DIY lovers - Packing list: 1 x Extension board
Color: Blue - Material: PCB - Adjustable sensitivity (Digital Potentiometer) - Working voltage: 3.3~5V - Output: Analog voltage output / Digital switch output (0 / 1) - With indicator light - LM393 chip comparator - Humidity Detection Sensor Module for DIY projects