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Lithium Battery Capacity Indicator 3S 12.6V
Features:
1.Battery type electricity quantity display
2.Wide application fields:lithium battery
3.Using Method:connect display board positive and negative port with tested battery positive and negative port,digital tube will display real-time battery electricity quantity
4.Digital Color:outline red,display block blue (when battery electricity quantity is full,it will be all on)
Meter AC Voltage, Current, Frequency, Energy, Power-Factor 110-250V 20A
Power Supply : 110~250Vac (self-powered)
Voltage Range : 110V~250V
Current Range : 0.01~20A /100A
Resolution : 1V, 0.01A, 0.01W, 0.01kWh
Display Type : LCD
Dimensions : 84mm*46mm*26mm
RFID Card 13.56Mhz MF S50
Feature
*Contactless transmission of data and supply energy (no battery needed)
*Operating distance: Up to 100mm (depending on antenna geometry)
*Operating frequency: 13.56MHz
*Data transfer: 106 kbit/s
*Data integrity: 16 Bit CRC,parity,bit coding bit counting
*Anticollision
*Typical tickting transaction: <100 ms ( including backup management)
WIFI Module ESP8266 ESP 01
SDIO 2.0, SPI, UART 32-pin QFN package Integrated RF switch, balun, 24dBm PA, DCXO, and PMU Integrated RISC processor, on-chip memory and external memory interfaces Integrated MAC/baseband processors Quality of Service management I2S interface for high fidelity audio applications On-chip low-dropout linear regulators for all internal supplies Proprietary spurious-free clock generation architecture Integrated WEP, TKIP, AES, and WAPI engines Solutions
Supports APSD for optimal VoIP applications
Patented spurious noise cancellation algorithm for integration in SOC applications
Supports Bluetooth co-existence interface
Self-calibrated RF to ensure optimal performance under all operating conditions
Zero factory tuning
No external RF components
Specifications
802.11 b/g/n
Wi-Fi Direct (P2P), soft-AP
Integrated TCP/IP protocol stack
Integrated TR switch, balun, LNA, power amplifier and matching network
Integrated PLLs, regulators, DCXO and power management units
+19.5dBm output power in 802.11b mode
Power down leakage current of <10uA
Integrated low power 32-bit CPU could be used as application processor
SDIO 1.1/2.0, SPI, UART
STBC, 1×1 MIMO, 2×1 MIMO
A-MPDU & A-MSDU aggregation & 0.4ms guard interval
Wake up and transmit packets in < 2ms
Standby power consumption of < 1.0mW (DTIM3)
Arduino Motor Drive L293D
01. 2 interface for 5V Servo connected to the for Arduino's high-resolution dedicated timer - no jitter! 02. Can drive 4 for DC motors or 2 stepper motors or 2 Servo Up to 4 bi-directional for DC motors with individual 8-bit speed selection 03. Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping. 04. 4 H-Bridges: per bridge provides 0.6A (1.2A for peak current) with thermal for protection, can run motors on 4.5V to 36V for DC Pull down resistors keep motors disabled during power-up for Arduino reset button 05. 2 external terminal power interface, for seperate logic/motor supplies 06. compatible with for Arduino
Uno R3 CH340G MEGA328P
This version is optimized in the original version to ensure consistent and compatible with the original, but also easy to use
Compatible with win7 and win8
Brushless Outrunner Motor A2212 1000KV
Description:
Mode: A2212
KV: 1000/1400
Solenoid Valve Magnetic DC 12V
Solenoid Valve Magnetic DC 12V N/C Water Air Inlet Flow Switch
AMS1117-5.0V Power Module
01. Input: DC 6V - 12V (input voltage to output voltage must be greater than 1V or more.)
02. Output: 5.0V (+-0.05v error), 800mA (load current must not exceed 800ma)
03. pairs of panel design, layout, nice;
04. specially designed two pin mounting holes, can be directly fixed on the hole expansion board for experiments;
05. Input Output Using 2P single row pin header for easy connection;
06. PCB board size: 2.5cm * 1.1cm
07. with power indicator light (red)
Membrane Switch Keypad 3×4
Specifications:
4 x 3 Matrix Membrane Keypad
7 pin connector
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FEATURED
18650 1200mAh 3.7V Li-ion Rechargeable Battery
Nominal Voltage 3.7V
Charge Voltage 4.2V
Cut-off Voltage 2.75V
Capacity 1200mAh
Diameter 18.4mm
Height 65.0mm
Temperature Charge: 0°C ~ 45°C
Discharge: -20°C ~ 60°C
Storage: -20°C ~ 30°C
Humidity: 65±20%
Cycle life >500 times
Standard charge current 0.5C
Fast charge current 1C
Max discharge current 1C
OEM customize wires/connector/solder tabs/battery packs
Packing traying packing or in small boxes
Certificate CE, ROHS, MSDS
18650 3200mAh 3.7V Li-ion Rechargeable Battery
Nominal Voltage 3.7V
Charge Voltage 4.2V
Cut-off Voltage 2.75V
Capacity 1800mAh
Weight 44g
Diameter 18.4mm
Height 65.0mm
Temperature Charge: 0°C ~ 45°C
Discharge: -20°C ~ 60°C
Storage: -20°C ~ 30°C
Humidity: 65±20%
Cycle life >500 times
Standard charge current 0.5C
Fast charge current 1C
Max discharge current 1C
OEM customize wires/connector/solder tabs/battery packs
Packing traying packing or in small boxes
Certificate CE, ROHS, MSDS
AC Digital Amp Volt Meter 100A 300V
Features:
* Dual measurement of AC voltage, AC current with AC current transformer
* Voltage Measuring Range: AC 80 ~ 300V
* Current Measuring Range: AC 0.1 ~ 100A (Current in excess of 1A is recommended)
* Display backgroud color & Type: Blue & LCD
NEW ARRIVALS
ඔබගේ video Tutorials / තාක්ෂණික ලිපි මෙහි පළකර ගැනීමට අපවෙත යොමු කරන්න
තාක්ෂණික ලිපි කියවන්න
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Micro-controllers and micro-processors ක්ෂුද්ර-පාලක සහ ක්ෂුද්ර-සකසන සාමන්ය පුද්ගල පරිගනකයක් සැලකූවිට එය ප්රධාන කොටස් කිපයකින් සමන්විත බව අපි දන්නවා එවා නම්
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අපි දැන් සංවර්ධිත පුවරුව පරිගනකය හා සම්බන්ද කිරීම, ක්රමලේකනය හා කෙතය උඩුගත කිරිම සම්බන්දයෙන් සලකා බලමු. Arduino Uno / Mega සංවර්දිත
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Micro-controller Development Systems ක්ෂුද්ර-සකසන සංවර්ධන පද්ධති කොටස – 02
ක්රමලේකනය (program) කිරිමට සහ ක්රියත්මක විමට අවශ්ය මුලිකාංග ඇතුලත් කර සංවර්ධන පුවරු සහ සංවර්ධන පද්ධති නිර්මාණය කර ඇත. වඩාත් ප්රසිද්ධ
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