Categories: RC Drones and Accessories, Students Corner
Tag: Battery Charger B3
RC Drones and Accessories, Students Corner
Battery Charger B3
Availability:
20 in stock
₨1,000.00
20 in stock
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CNC and 3D Printers, Students Corner
8mm smooth rod
Diameter: 8mm
Length: 100-400mm optionalMaterial: 45 high quality carbon steel (S45C), chrome plated, tempered hard shaftAccuracy: G6 H6Roughness: Ra0.4-0.8Characteristics:The linear axis of the automatic rotation device is wideUsed, as industrial robots, automatic recordingInstruments, computers, precision printers, special gasTank, automatic wood machines and other industrial machinesMachines And due to its hardness, it can be extendedThe life of an ordinary instrument.
SKU: n/a -
IoT and Wireless Communation, Students Corner
NodeMcu V3 ESP8266 Wireless Module CH340
Description
Features NODE MCU ESP8266 Module:
- Build on ESP8266 sdk
- Lua core based on eLua project
- cjson based on lua-cjson
- File system based on spiffs
- Easy to access wireless router
- Based on Lua 5.1.4 (without debug, os module.)
- Event-Drive programming preferred.
- Build-in json, file, timer, pwm, i2c, spi, 1-wire, net, mqtt, coap, gpio, wifi, adc, uart and system api.
- GPIO pin re-mapped, use the index to access gpio, i2c, pwm.
- Both Integer version(less memory usage) and Float version(Default) firmware provided.
- FLASH: 32Mbits (4M bytes)
- Now LoLin(NodeMcu V3) can use in arduino IDE
More information NODE MCU ESP8266 Module:
- NodeMCU Support page
- To Flash NodeMCU board find related content here
- NodeMCU Github link
- NodeMcu is a tiny board, based on ESP8266, integates GPIO, PWM, IIC, 1-Wire and ADC all in one board.
- It’s a lua based firmware for wifi-soc esp8266
Package Included:
1 X NodeMcu V3 ESP8266 Wireless module CH340
SKU: n/a -
Boards and Programmer, Students Corner
Motor Driver L293D
This L293D Motor Driver Shield for Arduino is probably one of the most versatile on the market and features 2 servo and 4 motor connectors for DC or stepper motors. That makes it a great shield for any robotic project.
This Arduino compatible motor Driver shield is a full-featured product that it can be used to drive 4 DC motor or two 4-wire steppers and two 5v servos. It drives the DC motor and stepper with the L293D, and it drives the servo with Arduino pin9 and pin10.
L293D is a monolithic integrated, high voltage, high current, 4-channel driver. Basically, this means using this chip you can use DC motors and power supplies of up to 36 Volts, that some pretty big motors and the chip can supply a maximum current of 600mA per channel, the L293D chip is also what’s known as a type of H-Bridge. The H-Bridge is typically an electrical circuit that enables a voltage to be applied across a load in either direction to an output, e.g. a motor.
The shield contains two L293D motor drivers and one 74HC595 shift register. The shift register expands 3 pins of the Arduino to 8 pins to control the direction of the motor drivers. The output enables the L293D is directly connected to PWM outputs of the Arduino.
Features of L293D Motor Driver Shield for Arduino:-
- 2 connections for 5V ‘hobby’ servos connected to the Arduino’s high-resolution dedicated timer
- 4 H-Bridges: L293D chipset provides 0.6A per bridge (1.2A peak) with thermal shutdown protection, internal kickback protection diodes. Can run motors on 4.5VDC to 25VDC.
- Up to 4 bi-directional DC motors with individual 8-bit speed selection (so, about 0.5% resolution)
- Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping.
- Pull down resistors keep motors disabled during power-up
- Big terminal block connectors to easily hook up wires (18-26AWG) and power
- Arduino reset button brought up top
- 2-pin terminal block and jumper to connect external power, for separate logic/motor supplies
- Tested compatible with Arduino Mega 1280 & 2560, Diecimila, Duemilanove, and UNO
SKU: n/a - 2 connections for 5V ‘hobby’ servos connected to the Arduino’s high-resolution dedicated timer
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