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

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PIC16F88-I/P 16F88 IC MCU 8BIT 7KB FLASH DIP-18

Features
1 PWM 10-bit
8 MHz Internal Oscillator
ICD
256 bytes of EEPROM data memory
Capture/Compare

Parameter Name Value
Program Memory Type Flash
Program Memory (KB) 7
CPU Speed (MIPS) 5
RAM Bytes 368
Data EEPROM (bytes) 256
Digital Communication Peripherals 1-UART, 1-A/E/USART, 1-SPI, 1-I2C1-SSP(SPI/I2C)
Capture/Compare/PWM Peripherals 1 CCP
Timers 2 x 8-bit, 1 x 16-bit
ADC 7 ch, 10-bit
Comparators 2
Temperature Range (C) -40 to 125
Operating Voltage Range (V) 2 to 5.5
Pin Count 18

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DHT22/AM2302 DHT-22 Digital Temperature and Humidity Sensor

Feature:
Brand New High Quality
4-pin package
Ultra-low power
No additional components
Excellent long-term stability
All calibration, digital output
Completely interchangeable
Long distance signal transmission
Relative humidity and temperature measurement

Specifications
Type: AM2302
Accuracy resolution:0.1
Humidity range:0-100%RH
Temperature range:-40~80
Humidity measurement precision:±2%RH
Temperature measurement precision:±0.5

Package included:
1 x Temperature Humidity Sensor

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PIC16F887-IP 8bit PIC Microcontroller 20MHz 256 B 8192 x 14 words Flash 368 B RAM 40-pin PDIP

Specifications:
ADC Channels 14
ADC Resolution 10bit
ADCs 1 (14 x 10 bit)
Data Bus Width 8bit
Device Core PIC
Dimensions 2.095 x 0.58 x 0.195in
Family Name PIC16
Height 0.195in
Instruction Set Architecture RISC
Length 2.095in
Maximum Frequency 20MHz
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Mounting Type Through Hole
Number of ADC Units 1
Number of CAN Channels 0
Number of Ethernet Channels 0
Number of I2C Channels 1
Number of LIN Channels 0
Number of PCI Channels 0
Number of PWM Units 2
Number of SPI Channels 1
Number of Timers 3
Number of UART Channels 1
Number of USART Channels 1
Package Type PDIP
Pin Count 40
Program Memory Size 8192 words
Program Memory Type Flash
Pulse Width Modulation 1(CCP), 1(ECCP)
RAM Size 368 B
Timer Resolution 16 bit, 8 bit
Timers 1 x 16 bit, 2 x 8 bit
Typical Operating Supply Voltage 2 → 5.5 V
USB Channels 0
Width 0.58in

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CH341A PROGRAMMER 24/25 USB motherboard routing BIOS LCD FLASH 2425 burner

Description:
Support 24EEROM
Support 25 SPI FLASH
Automatic identification chip model 25 series
Support USB to TTL
A multi-purpose machine, online Brush
STC microcontroller supports a full range of program download
For a variety of software for backup, erase, programming, calibration and other movements
Provide 5V-3.3V power supply output

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SI4432 470MHz 1000m Wireless Module 433mhz Wireless Communication Module

Specification:
Ultra-thin small
Harmonic notes passed FCC/CE certification
Strong ability to penetrate
American SI4432 the latest version of IC, stable performance
Frequency range: 433.92M
High sensitivity up to -121dBm
Maximum output power: 20dBm
Data transfer rate: 0.123-256kbps
FSK, GFSK and OOK modulation mode
1.8-3.6 V power supply
Ultra low power off mode
The digital received signal strength indicator (RSSI)
Timing wake-up function
Automatic antenna matching and bidirectional switch control
Configurable data packet structure
Before the synchronization signal detection
64 bytes RX data register (FIFO)
Low power testing
Temperature sensing and 8 bit analog to digital converter
Operating temperature range: -20 ~ +60 C
Integrated voltage regulator
Frequency hopping
Power on reset function
Built in lens adjustment function

Pin definitions:
1 CND power supply
2 GPI internal module, launch control foot
3 GPI01 internal access module to accept control foot
4 GPIO2 directly connected to the chip GIIO2 pin
5 VCC positive supply 3.3V
6 SDO 0-VDD V digital output provides a serial read back function of the internal control register
7 SDI serial data input. 0-VDD V digital input, this pin for 4-wire serial data clock function
8 SCLK serial clock input. 0-VDDV last month set of inputs. This pin provides a 4-wire serial data clock function
9 NSEL serial interface select input pin,0-VDDV digital input. This pin to 4-wire serial data bus select / enable function, this signal is also used, said the burst read / write mode.
10 NIRQ interrupt output pin
11 SDN Close the input pin. Input 0-VDDV digital. SDN = 0 in shutdown mode, so mode
12 GND access power ground
13 ANT 50 ohm coaxial antenna

Package Included:
1 x SI4432 470MHz 1000m Wireless Module 433mhz Wireless Communication Module

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Mega 2560 R3 Mega2560 REV3 CH340G Board + USB Cable compatible for Arduino

Features:
The Mega 2560 is an update for the Arduino Mega, which it replaces.
The board is a microcontroller board based on the ATmega2560-16AU .It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Mega is compatible with most shields designed for the Arduino Duemilanove or Diecimila.

Product Summary:
CH340G replace the Atmega 8U2/16U2
CH340G Driver Download link, please copy the link and paste in browser: Ìîäóëü CH340G. Ïåðåõîäíèê USB COM TTL (RS232).

Specifications:
Microcontroller:ATmega2560
Clock Speed:16 MHz
EEPROM:4 KB
SRAM:8 KB
Flash Memory:256 KB of which 8 KB used by bootloader
Operating Voltage:5V
Input Voltage (recommended):7-12V
Analog Input Pins:16
Digital I/O Pins:54 (of which 14 provide PWM output)
DC Current for 3.3V Pin:50 mA
DC Current per I/O Pin:40 mA
Size:100*55mm

Package Include:
1 x ATmega2560-16AU CH340G Board
1 x USB Cable

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DC 0-100V 10A Dual LED Digital Voltmeter Ammeter Voltage AMP Power

Features:
Small size, portable, the magnitudes of voltage and current are displayed in the same screen simultaneously
DC Voltmeter and ammeter for cars, electro mobiles and motorcycles

Specifications:
Supply voltage: 4.5 ~30V (wide range)
Test voltage: 0 ~ 100V
The minimum resolution below 10V: 0.01V
The minimum resolution above 10V: 0.1V
Display screen: 0.28 inch LED
Operating current:<20mA
Measuring speed:≥ 500mS / times
Accuracy: 1%(± 1 word)
Minimum operating voltage: +3.5 V
Maximum operating voltage: +30 V
Operating Humidity:10～80%
Operating temperatures: -10～+65
Operating pressure: 80 ~ 106kPa
Avoid direct sunlight
Net weight:16 g
Package weight:25 g
Color of LED light: Red+Blue
Wiring methods:
Black line: public lines, ground
Red line: Header power lines, voltage measurement signal line (voltage between the note, red and black lines cannot exceed 30V)
Yellow line: current inputs, then be back-end test equipment, (such as when using a single voltmeter do recommend the yellow line and the black lines together, to prevent outside interference caused by digital ammeter flashing)

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2.4G NRF24L01+PA+LNA V5.1 Wireless Module with Antenna

Description:
The open area distance is about 1100m with Rate of 250K, 750m with the rate of 1M, 520m with the rate of 2M.

NRF24L01P + PA + LNA wireless module operates in Free license 2.4G ISM band, you can do point to point application and can also be composed of star network.

The Data transmission chip NRF24L01+, and match with the department's professional design, Add the chip of power PA and LNA, RF switch, band pass filter composed of a professional full two-way RF power amplifier, making the effective communication distance has been greatly expanded.

In the RF section, We has done a lot of debugging optimized match, making the highest emission efficiency, harmonic to be minimum. Increase the module stability.

Small size: 45.54mm x 16.46mm, easy to embed in any space-constrained products, customers can add an MCU through the SPI port to control NRF24L01P + PA + LNA, Wireless module to complete long distance wireless data transmission system design.

Electrical parameters:
Voltage:3-3.6 (3.3 best)V
Maximum output power:+20dBm
Transmit mode current (peak):115mA
Receiving mode current (peak):45mA
Power-down mode current:4.2uA
Operating Temperature:-20~70C
Receive 2Mbps mode:-92dBm
Receive 1Mbps mode:-95dBm
Receive 250Kbps mode:-104dBm
PA Gain:20dB
LNA Gain:10dB
LNA noise figure:2.6dB
Antenna Gain(peak):2dBI
2Mbps transmission distance (open):520m

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TEA5767 Philips Programmable Low-power FM Stereo Radio Module

Features：
1. Built-in Philips TEA5767 FM IC.
2. High sensitivity with integrated low-noise RF input amplifier.
3. Frequency range: 76 Mhz-108 Mhz.
4. Suitable for handheld applications.
5. Built in 32.768khz clock crystal.
6. Radio modules are widely used in consumer electronic audio-visual products, for example, MP3 PLAYER, MD, CD/MP3, PLAYER,PORTABL VCD / DVD, MOBILE PHONE, PDA, electronic dictionary, digital refrigerator, car audio.

Package:
Dimension: 11.2x 11mm.
1PCS FM Stereo Radio Module TEA5767

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3.3V Pro Mini Atmega328 8M Replace ATmega128 Arduino Compatible Nano

Product Details:
Atmega328P Module
Condition: new
14 digital input/output port RX, TX, D2 ~ D13
8 analog input port A0 ~ A7
1 to TTL level port RX/TX
6 PWM port, D3, D5, D6, D9, D10, D11
Using Atmel Atmega328P - AU microcontroller
Support serial download
Support external 3.3 V ~ 12 V dc power supply
Support 9v battery power supply
Clock frequency 16 MHZ
Size: 33.3 * 18 mm

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