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

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LTC3780 DC 5-32V to 1V-30V 10A Automatic Step Up Down Regulator Charging Module

Description:
The power supply is a kind of high-efficiency voltage automatically regulator.
Whatever is the input voltage value, the output voltage can be maintained constant.
For example, set the output to 12V, then the variation of the input voltage in the range of 5-32V, the output voltage in the 12V invariant.
This module has a perfect protection function, and can be widely used in notebook power,
vehicle power supply, solar charge etc..

Advantages:
The input uses replaceable fuse to protect power supply and equipment;
The whole electrolysis use patch, low resistance, high frequency capacitor
,to make the ripple down to the freezing point;
Constant voltage, constant current, under voltage protection (MPPT is more suitable for solar charging)
The output has error indicating lamp, it will light when the output voltage drift too serious,
short circuit and other fault;
Inductor use iron silicon aluminum, 0.8 double winding, generate less heat.

Parameters:
Input voltage: DC5-32V;
Output voltage: DC1V-30V continuously adjustable; the default 12V shipment
Output current: 10A (MAX) ,long term within 8A
Output power: 80W, peak 130W, more than 80W please strengthen heat dissipation
Output ripple: 50mV (12V turn to 12V, 5A measured)
Short circuit protection: YES
Input reverse connection protection: No
Output prevent reverse connection protection: No
Operating temperature range: -45 ~ +85 ℃
Size: 77.6*46.5*15mm (including the bottom surface of the radiating aluminum)

Package Includes:
1 x LTC3780 DC 5-32V to 1V-30V 10A Automatic Step Up Down Regulator Charging Module

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3.3V UART serial to RS485 SP3485 Transceiver Converter Communication

Specification:
This is a breakout board for the SP3485 RS-485 transceiver IC, which will convert a UART serial stream to RS-485. The SP3485 is a half-duplex transceiver, so it can only communicate one way at a time, but it can reach transmission speeds of up to 10Mbps. This board requires a very low amount of power and can operate from a single +3.3VDC supply.
Fully equipped with SP3485 RS-485 transceiver and supporting components
Operates from a single +3.3V supply
Interoperable with +5.0V logic
RS-485 input/output broken out to RJ-45 connector, 3.5mm screw terminal, and 0.1" pitch header
Driver/Receiver Enable connected to RTS line
-7V to +12V Common-Mode Input Voltage Range
Allows up to 32 transceivers on the serial bus
Driver Output Short-Circuit Protection
Dimensions: 0.9x1.0"

Package Includes:
1 x 3.3V UART serial to RS485 SP3485 Transceiver Converter Communication

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BMP280 Pressure Sensor Module High Precision Atmospheric Arduino Replace BMP180

Description:
Bosch has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!
This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuracy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter accuracy

Typical application：
Enhancement of GPS navigation
e.g. time-to-first-fix improvement, dead-reckoning, slope detection
Indoor navigation floor detection, elevator detection）
Outdoor navigation, leisure and sports applications
Weather forecast
Health care application (e.g. sirometry）
Vertical velocity indication (e.g. risk/sink speed）
Target devices
Handsets such as mobile phones ,table PCs, GPS devices
Navigation systems
Portable healthcare devices
Home weather stations
Flying toys
Watches
PCB sizeL*W)1.52* 1.20cm/0.60"*0.47"

Package Includes:
1 x BMP280 Pressure Sensor Module High Precision Atmospheric Arduino Replace BMP180

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RXC6 433Mhz Superheterodyne Wireless Receiver PT2262 Code Steady for Arduino/AVR

Description:
1. Receiver sensitivity reach -110dBm;
2. Operating frequency: 433.92MHz;
3. Power supply voltage input range: 3.3V-5.5V;
4. Low power consumption, 5.0V @ 433.92MHz, 3.8-4.1mA; 5.0V @ 315MHz,2.5-2.8mA; sustained data transfer rate to 2.4K of (Manchester encoding)
5. Good selectivity and spurious radiation suppression, and easy through CE / Fcc international certification;
6) Good local oscillator radiation suppression, multiple receiver modules to work together (ie, more than single income) and will not interfere with each other, used together does not affect the receiving distance.
7. Temperature range: -30-85 ?, also can work even in harsh ambient temperature;
8. Size:28*12.5*5.00 (mm).

Mode Set:
1. T1,T2 not short: Self-reset mode
2. T2 short: Self-locking mode
3. T1 shot: Interlock mode

Package Includes:
1 x RXC6 433Mhz Superheterodyne Wireless Receiver PT2262 Code Steady for Arduino/AVR

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NRF51822 Low Power Consumption BLE4.0 Bluetooth 2.4 GHz Wireless Module

Description:
Core51822 is a wireless module based on nRF51822 - the Multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC designed for ULP (ultra low power) wireless applications.

Core51822 Specifications
Onboard chip: NRF51822
Communication distance (open outdoor@1M data rate): 30m
Frequency range: 2.4GHz
Operating voltage: 2.0V ~ 3.6V
Operating temperature: -40℃ ~ 85℃
Dimension (PCB): 24.5mm x 32.26mm
Expansion pin header: all the I/Os except P0.26 and P0.27
Pin header pitch: 2.00mm
Spacing between pin headers on the left side and the right side: 18.00mm
Antenna: onboard antenna


NRF51822 Features:
2.4 GHz multiprotocol RF transceiver
ARM® Cortex™-M0 32 bit processor
128 bit AES HW encryption
128kB flash & 16Kb RAM
Programmable Peripheral Interconnect (PPI)
Digital interfaces: SPI, I2C, UART
10 bit ADC
Programmable output power: -20 to +4 dBm
Independent application development and protocol stack
Fully compatible with NRF24L series
Pinout compatible with NRF51xxx series
Global separate power management
Operating voltage: 1.8 V ~ 3.6 V

Applications:
Wearable devices
Bluetooth intelligent application
Mobile phone accessories
RFID labels
Smart home appliances
Industry control
Data acquisition system

Revision History:
2015.06, Core51822 upgrades the onboard chip to Rev3, features RAM 16K,
supports higher version SDK, and all the demo codes are still compatible with the Rev2 ones.

Core51822 Expansion Headers:
http://image4.pushauction.com/0/0/08...cd06f3beeb.jpg

Package Includes:
1 x NRF51822 Low Power Consumption BLE4.0 Bluetooth 2.4 GHz Wireless Module

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USB 2.0 to RS-485 RS-422 80mm DB9 Serial Converter Adapter Cable

Features：
Allows to connect RS-485/RS-422 device to your computer via USB port.
Stable and reliable Prolific PL2303.
Real USB 2.0 specification compliant for faster and steadier data communication.
TIA/EIA RS-485/RS-422 standard compliant.
Data transfer rate up to 10Mb/s.
Transmit distance reach up to 1219m. (The longer distance, the lower rate.)
Supports multiple terminals up to 32 RS-485 & 10 RS-422 devices.
Supports automatic handshake mode.
Supports remote wake up and power management.
Auto sense serial signal rate. Zero delay automatic transmit.
600W surge and 15KV static electricity protection.
Standard USB type A male and RS-485/RS-422 serial 9 pin male connector with terminal board.
Total length: 80mm.
Ideal connections to Modem, PDA, GPS, Bar Code, Digitizer,
Digital Camera, Label printer & ISDN terminal adapter, etc.
Supports Windows 2000/XP/Vista/7/8/Server 2003/2008,
RedHat 7.3/8.0/9.0, Kernel 2.4.10 or above & Mac OS 8 or above.

Note: The USB side must be connected to PC or Mac.
Other USB devices like digital camera, scanner and printer is not allowed.

Package Includes:
1 x 80mm USB 2.0 to RS-485 RS-422 DB9 Serial Converter Adapter Cable
1 x CD installer

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[franzben]

hi, available pa imong dremel cutting discs?

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hi, available pa imong dremel cutting discs?

yupz, available pa.

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Microchip PIC12F510-I/P, 8bit PIC Microcontroller, 8MHz, 1024 x 12 words Flash, 8-Pin PDIP

Product Details:
PIC12F5xx 8-Bit Microcontrollers
The PIC12F5xx was the first PIC12F MCU range to be introduced and is based upon Microchip’s original Baseline architecture. The Baseline architecture provides up to 5 MIPs, no interrupts, up to 2.3Kb program memory and up to 64 Bytes data memory. All PIC12Fxxx MCUs feature internal RC Oscillators with ±1% accuracy; certain variants include comparators, 8-Bit ADCs, mTouch™ channels and RF Transmitters.

Specs:
Family Name PIC12F
Package Type PDIP
Mounting Type Through Hole
Pin Count 8
Device Core PIC
Data Bus Width 8bit
Program Memory Size 1024 x 12 words
Maximum Frequency 8MHz
RAM Size 38 B
ADC Channels 3
Typical Operating Supply Voltage 2 to 5.5 V
ADC Resolution 8bit
Timer Resolution 8bit
Timers 1 x 8 bit
Dimensions 0.4 x 0.28 x 0.195in
Length 10.16mm
Maximum Operating Temperature +85 °C
Height 0.195in
Number of Timers 1
Minimum Operating Temperature -40 °C
Instruction Set Architecture RISC
Program Memory Type Flash
Number of ADC Units 1
Width 0.28in
ADCs 3 x 8 bit

Package Includes:
1 x PIC12F510-I/P

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TPA3110 2X15W Digital Audio Stereo Amplifier Module Board Mini Binaural

Features:
Amplifier Chip:TPA3110
Output Power:15W x 2
Working Voltage: DC 8-18V
Working Current:
Max:3A
Static state:8mA
Efficiency:≥90%
SNR：100dB
Frequency Range：20Hz-20KHz
Size: 33 x 25 x 3.5mm
Speaker:4-8Ω
Net Weight: about 4g

Package Includes:
1 x TPA3110 2X15W Digital Audio Stereo Amplifier Module Board Mini Binaural

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