Fibre glass reinforced, 1 1/4" cut off wheels/disc for dremel/rotary tools 10pcs for 250php

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USB to RS485 485 Converter Adapter Support Win7 XP Vista Linux Mac OS WinCE5.0

Features:
USB to RS485 Converter Adapter
USB connector: to your PC
RS485 connector: to your RS485 device
No need external power, powered by USB port
Fully compliant USB 2.0 standard , backward compatible with USB1.1

Specification:
Dimension:6.0 x1.8x1.4cm
Color: Black
Support System: Windows XP , Vista, Windows 7 , Linux , MacOS , and WinCE5.0 drive
Supports baud rate range : 75bps - 115200bps , up to 6Mbps
Supports Plug , Play and hot-swap ( USB side) ;
Better than using CH341D chip or similar chip to support the laptop USB port .
Communication distance up to 1.2KM, with anti-jamming performance of industrial site ;
Work temperature range: -40°C ~ +85°C
Communication distance :1200m(max)

Applications:
All kinds with RS485 port device parameter settings , data communication
Short distance , such as parameter settings of the computer peripheral equipment , the use of common data lines can be .
A and A port of the device when the wiring is connected , B and device B connected . Some devices D + A and D, - B .
LED display of communication data
Machine PLC data reading and writing
Monitoring data read and write , and PTZ control
Centralized control of household electrical appliances
Access Control System ; card
A variety of industrial automation ; instrumentation
Parking ; bus fees
Dining Hall ; staff attendance
Highway toll station; ATM machine

Package Content:
1 x USB to RS485 Converter

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ESP8266 WIFI wireless module remote serial Port WIFI to UART Module

ESP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor.

ESP8266 has powerful on-board processing and storage capabilities that allow it to be integrated with the sensors and other application specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. Its high degree of on-chip integration allows for minimal external circuitry, and the entire solution, including front-end module, is designed to occupy minimal PCB area.

Features

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)

Help your development more easy.
ESP8266 Serial WIFI Module Community Forum>> ESP8266 Community Forum Index page


1. High quality & low price
2. LWIP agreement
3. Support 3 modes: AP, STA, AP+STA
4. Perfect and simple AT commands

Tutorials:
https://www.zybuluo.com/kfihihc/note/31135
ESP8266 - ElectroDragon
https://nurdspace.nl/ESP8266#Translated_datasheet

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CG0603MLC-05E Varistor ESD Clamp

Varistors Chip Guard 0603 5 Volts

Datasheet:
https://www.dropbox.com/s/9qgntdoaug...Clamp.pdf?dl=0

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[mitzc]

boss naa ra dremel rotary tool baligya bisag 2nd hand lang for my project.

[titaniumbox]

boss naa ra dremel rotary tool baligya bisag 2nd hand lang for my project.

sorry mitzc, i don't have. maybe you can do a search on the buy and sell section if somebody else is selling a used rotary tool. good luck!!!


HX711 Weighing Sensor AD Module Dual-channel 24-bit A/D Conversion

Details:

This module uses 24 high-precision A / D converter chip hx711, is designed for high-precision electronic scale and design, with two analog channel input, the internal integration of a gain programmable amplifier 128. Input circuit can be configured to provide an electrical bridge bridge voltage (such as pressure, weight) sensor model is an ideal high-precision, low-cost sampling front-end module

• Two selectable differential input channels
• On-chip active low noise PGA with selectable gain of 32, 64 and 128
• On-chip power supply regulator for load-cell and ADC analog power supply
• On-chip oscillator requiring no external component with optional external crystal
• On-chip power-on-reset
• Simple digital control and serial interface: pin-driven controls, no programming needed
• Selectable 10SPS or 80SPS output data rate
• Simultaneous 50 and 60Hz supply rejection
• Current consumption including on-chip analog power supply regulator: normal operation < 1.5mA, power down < 1uA
• Operation supply voltage range: 2.6 ~ 5.5V
• Operation temperature range: -40 ~ +85℃
• 16 pin SOP-16 package

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WTV020-SD-16P U-disk audio player SD card voice module MP3 Sound module

The product supports plug-maximum the 1G capacity of the SD card;
Supports playback of 4Bit ADPCM format files;
Automatically recognize the voice files;
Loadable 6KHz to 32KHz, 36KHz sampling rate AD4 audio;
Loadable 6KHz ~ 16KHz sampling rate WAV audio;
16bitDAC and PWM audio output;
Can store up to 512 voice;
WTV020-SD-20S, WTV020-SD-16P two module types;
Support micro-processor and key control;
Voice playback can call any paragraph;
Power-down save operation data capabilities;
Loaded voice without software assistance to the SD card can be placed directly on the voice;
Support file combination play, including mute combination;
Operating voltage: DC2.5 ~ 3.6V;
Quiescent Current: 16uA (SD card is not inserted)

Product Overview：
WTV020-SD module is a voice Rewritable content type of mass storage voice module, pluggable maximum capacity of 1GB SD card memory. Can load WAV format voice, and AD4 formats voice.
WTV020-SD module voice chip WTV020SD-20S master core, with MP3 control mode, the key one-to-one control mode (3 voice with the voice two), the power-loop control mode as well as the second-line serial control mode. The control mode is set in the chip of the sample preparation, cannot be switched during the operation of the various control modes, such as the need to use what mode control, Division I to build.
MP3 control mode: play / stop, and the next one, on one, Volume +, Volume - functions.
The key one-to-one control mode (3 paragraphs voice): a key corresponding trigger a voice have to play three voice and adjust the volume subtraction function, all buttons are default trigger pulse not repeat.
Key one-to-one control mode (5 paragraphs voice): has three control methods ⑴, all keys are pulse retriggerable; ⑵ all keys are play / stop trigger (singles not cycle); ⑶ all keys are play / Stop (single cycle).
Power-loop control mode: on power, do not need to trigger any I / O port, and direct all voice Auto play SD card memory, and has the power and memory point play function when power off and then power on automatically the last power to resume playback voice. Two control modes ⑴, P04 has a pulse play / pause function; ⑵, P05 has a level play / pause function.
Two-wire serial control mode: CLK clock and send the DI the data line by the microcontroller via data control WTV020-SD module. Free to play the voice of any address. Voice combination play this state, can be performed.
Voice updates directly through an SD card reader on a PC replacement. The module supports the FAT file system. Support 6KHz to 32KHz, 36KHz sampling rate AD4 voice and 6KHz ~ 16KHz WAV audio sampling rate, can automatically recognize the voice sampling rate, and the voice file format.

Applications：
WTV020-SD module can be used in automotive electronics (anti-theft alarm, parking sensor, GPS navigation systems, electronic dog, central locking), smart home system, home burglar alarm, medical instruments, the human voice prompts, music player, home appliances (cooker , rice cookers, microwave ovens), entertainment devices (game consoles, amusement machine) learning model (Zaojiao, children's audio books), intelligent transportation devices (toll stations, car parks), communication equipment (telephone switches, telephones), industrial control areas (elevators, industrial equipment), toys and other fields .
4.Product default model is serial control mode
Material Download
https://www.dropbox.com/s/qmoct0p8ry...ional.zip?dl=0

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Tactile Push Button Switch Tact Switch 6X6X5mm 4-pin DIP

Description:
1. Size: 6x6x5mm.
2. Temperature:-30~+70Centigrade.
3. Withstand Voltage:AC250V.
4. Rated LoadC12V 50mA.
5. Contact Resistance:≤0.03Ω.
6. Insulation Resistance:≥100MΩ.

Package:
1 x Tact Switch 6X6X5mm DIP-4

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16.000MHZ 16.000M 16M 16MHZ 16 MHZ Crystal Oscillator HC-49S

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USBTiny USBtinyISP AVR ISP programmer for Arduino bootloader UNO R3 Mega2560

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YELLOW 1602 16x2 HD44780 Character LCD Display Module Controller Arduino LCD

Description:
Brand new and high quality.
LCD display module with YELLOW backlight.
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.
Operate with 5V DC.
Module dimension: 80mm x 35mm x 11mm.
Viewing area size: 64.5mm x 16mm

Package Content:
1PCS x 1602LCD YELLOW Display Module.

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