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0.28 Inch 0-100V Three Wire DC Voltmeter RED
42.00₹
Already Sold: 15
Available: 485
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ESP WiFi Boards
NodeMcu ESP8266 V3 Lua CH340 WiFi Development Board
- Power Input: 4.5V ~ 9V (10VMAX), USB-powered
- Transfer Rate: 110-460800bps
- Support UART / GPIO data communication interface
- Support Smart Link Smart Networking
- Working temperature: -40°C ~ 125°C
- Drive Type: Dual high-power H-bridge
- Don’t need to download resetting
- A great set of tools to develop ESP8266
- Flash size: 4MByte
- Lowest cost WI-FI
SKU: n/a -
ESP WiFi Boards
NodeMCU ESP8266 with CP2102 WiFi Development Board
- WiFi Module: ESP-12E
- Processor: ESP8266
- CP2102 Chip
- Built-in Flash: 32Mbit
- Antenna: Onboard PCB antenna
- Peripheral interface: UART/SPI/I2C/SDIO/GPIO/ADC/PWM
- WiFi Protocol: IEEE 802.11 b/g/n
- Frequency Range: 2.4G ~ 2.5G (2400M ~ 2483.5M)
- WiFi Mode: Station / SoftAP / SoftAP Station
- Power Supply: 5V
- Logic Level: 3.3V
SKU: n/a -
Arduino Boards
Arduino UNO R3 SMD Atmega328P Board – Clone Compatible Model
- Microcontroller ATmega328 (SMD) – Interface CH340G
- Operating Voltage: 5V
- Input Voltage (recommended): 7-12V
- Input Voltage (limits): 5-20V
- Digital I / O Pins 14 (of which 6 provide PWM output)
- Analog Input Pins: 6
SKU: 5487FB8/12 -
Arduino Boards
Arduino nano CH340 Chip Board without USB cable (Soldered)
- Operating Voltage (logic level): 5V
- With Soldered Connector
- 8 analog inputs ports: A0 ~ A7
- 14 Digital input / output ports: TX, RX, D2 ~ D13
- 1 pair of TTL level serial transceiver ports RX / TX
- Using Atmel Atmega328P-AU MCU
- There is a bootloader installed in it
- Standard 0.1” spacing DIP (breadboard friendly).
- Manual reset switch.
SKU: n/a
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Gas Sensors
MQ 135 Air Quality/Gas Detector Sensor Module
- Sensitivity to Ammonia, Sulphide and Benzene steam
- Sensitive for benzene, alcohol, smoke
- Fast response and recovery
- Adjustable sensitivity
- Signal output indicator
- Output voltage boosts along with the concentration of the measured gases increases.
SKU: n/a -
RTC Modules
DS3231 RTC Module Precise Real Time Clock I2C – AT24C32
- Accuracy 2 ppm from 0° C to +40° C
- Accuracy 3.5 ppm from -40° C to +85° C
- Digital Temp Sensor Output: ±3° C Accuracy
- Memory Chips: AT24C02 (2Kbit)
- Register for Aging Trim
- RST Output/Pushbutton Reset Debounce Input
- Two Time-of-Day Alarms
- Programmable Square-Wave Output Signal
- Fast 400 Khz I2C interface
SKU: n/a
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Amplifier Modules
JQ6500 Voice Module MP3 Module MCU Serial Port Control Broadcast one-on-one 5 Way Control Music IC 16Mbit
-14%
Amplifier Modules
JQ6500 Voice Module MP3 Module MCU Serial Port Control Broadcast one-on-one 5 Way Control Music IC 16Mbit
MP3 file format:
support all bit rate 11172-3 and ISO13813-3 layer3 audio decoding
Sample rate support (KHZ): 8/11.025/12/16/22.05/24/32/44.1/48
support Normal, Jazz, Classical, Pop, Rock and other sound effects
UART interface: standard serial port, TTL level, baud rate can be set
Input voltage: 3.2V-5V (best 4.2V);
Rated current: 20ma
SKU: n/a
Display Devices, Tools & Miscellaneous Parts
0.28 Inch 0-100V Three Wire DC Voltmeter RED
Operating Voltage: 0-100 VDC
Measuring Voltage: 0 to 100 VDC
It is a 3-wire display.
LED Color: BLUE
Current Consumption : < 20 mA.
Accuracy: 0.1 V.
Refresh Speed : Approx. 200mS/time.
The display on Voltage: 3 V.(but not measure accurately up to 3.6V).
SKU: n/a
Color Sensor
TCS3200 Colour Recognition Sensor Module
Operating Voltage: 3V-5V
High-resolution conversion of light intensity to frequency.
Chip pins all has drawn for standard 100.
Put the needle (2.54 mm).
Mil-convenient for bitmap board.
Programmable color and full-scale output frequency.
Communicate directly with a microcontroller.
Low-profile surface mount package.
SKU: n/a
ESP WiFi Boards
ESP-12E ESP8266 WiFi Wireless IoT Board Module
Communication Interface Voltage: 3.3V
Working Current: 240mA(MAX)
Serial Port Baud Rate: 115200 (Default), can be modified to other values by AT command
Serial Communication Format: 8N1
Wireless Network Mode: Station / SoftAP / SoftAP station
Wireless Criteria: 802.11 b / g / n
WIFI @ 2.4 GHz, support for WPA / WPA2 security mode
19.5dBm output power
SKU: n/a
Buck/ Boost Converters
AMS1117 3.3V Step-Down Power Supply Module
Input: DC 4.0V – 12V (input voltage must be more than output voltage (more than 1V))
Output: 3.3V (+-0.05v error), 800mA (load current cannot exceed 800ma)
Onboard AMS1117 chip.
Onboard power indicator to indicate power is turned on: Red LED.
Small Compact Size, 4Pin Type, Breadboard Friendly.
Dual-panel design, the layout is nice
SKU: n/a
Buck/ Boost Converters
AMS1117 5V Step-Down Power Supply Module
Input: DC 6.5V – 12V (input voltage must be more than output voltage (more than 1V))
Output: 5.0V (+-0.05v error), 800mA (load current cannot exceed 800ma)
Onboard AMS1117 chip.
Onboard power indicator to indicate power is turned on: Red LED.
Small Compact Size, 4Pin Type, Breadboard Friendly.
Dual-panel design, the layout is nice
SKU: n/a
Other Modules
DSO138 2.4″ TFT Handheld Pocket-size Digital Oscilloscope Kit DIY Parts Electronic Learning Set Soldered
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Other Modules
DSO138 2.4″ TFT Handheld Pocket-size Digital Oscilloscope Kit DIY Parts Electronic Learning Set Soldered
This kit uses ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display screen.
Adjustable vertical displacement, and with instructions.
With automatic, regular and one-shot modes, easy to capture the moment waveform.
Available rising or falling edge trigger.
Observable previous trigger waveform (negative delay).
Can freeze at any time waveform display (the HOLD function).
Maximum Real-time Sampling Rate: 1Msps
Accuracy: 12Bit
Sampling Buffer Depth: 1024 bytes
Analog Bandwidth: 0-200KHz
SKU: n/a
Interfacing Modules
Frequency Adjustable Pulse Generator Module NE555
Input Voltage: 5V-15VDC
Output amplitude: 4.2V V-PP to 11.4V V-PP.
Output Current : 15mA for 5V & 35mA for 12V.
Color: Blue
Working voltage: 5-12V
Size: 25x 13 x 12 mm (LxWxH)
Minimum – 50% duty cycle, 3.7 Hz & Maximum – 98% duty cycle, 1.3KHz
SKU: n/a