MAX7219 Dot Led Matrix Module 4 In 1 Display with 5P Line Module For Arduino Micro-controller
- Driver Chip: MAX7219
- Input Voltage: 3.7 to 5.3 V
- Input Current: 320 mA
- Requires only 3 communication wires of MCU
- Pre-cascaded MAX7219 Dot Matrix LED Module.
- The overall size of the display is very compact
- With 64 fixing screw holes, hole diameter: 3mm.
- M3 holes for mounting.
- Module with input and output interfaces
- Support for cascading multiple modules
- Quite large display
- Display Dimensions: 32x32x6 mm
- PCD Dimensions: 128×32mm
- Weight: 55 gm
Double Analog Potentiometer Module With Slide Potentiometer Slip Adjustable Resistance For Arduino
- Dual analogue output, output 0-VCC analogue voltage signal.
- Voltage: 3.3V, 5V.
- Port: Analog.
- Resistance: 10K.
- Slide potentiometers module
- Two analogue outputs, analogue outputs 0-VCC voltage signals
- Stable and reliable performance with high-quality sliding appliances
- Platform: Arduino, MCU, ARM, and other microcontroller platforms
- Application: Raspberry Pi projects, DIY projects, Arduino projects.
- Dimensions: 91 x 21 x 30 mm
- Weight: 18 gm.
Pixy2 CMUcam5 Smart Vision Sensor – Object Tracking Camera for Arduino, Raspberry Pi, BeagleBone Black
- Pixy2 detects lines, intersections and small barcodes, intended for line-following robots.
- Improved framerate – 60 frames-per-second.
- Tracking algorithms have been added to colour-based object detection.
- Improved and simplified libraries for Arduino, Raspberry Pi and other controllers
- Integrated light source.
- The small, fast, easy-to-use, low-cost, readily-available vision system
- Learns to detect objects that you teach it
- Connects to Arduino with the included cable. Also works with Raspberry Pi, BeagleBone and similar controllers.
- Supports C/C++ and Python
- Communicates via one of several interfaces: SPI, I2C, UART, USB or analogue/digital output.
- Configuration utility runs on Windows, macOS, and Linux.
- All software/firmware is open-source GNU-licensed.
- Dimensions: 43mm x 39mm x 16mm
- Height of Camera: 4mm / 0.16""
- Weight (no IDC cable, no screws): 10g.
Finger print Scanner Module – TTL (GT-521F32)
- Operating Voltage: 3.3V to 6V DC
- Simple UART & USB communication protocol.
- Complies with USB 2.0 full-speed specification.
- Ultra-thin optical sensor.
- Finger window: 12.9 x 16.9 mm.
- Image Size: 258 x 202 Pixels.
- Resolution 450 dpi.
- Capable of 360° recognition.
- Storage for 200 unique fingerprints.
- False Acceptance Rate (FAR): <0.001%
- False Rejection Rate (FRR): <0.01%
- Wake up on Finger Function.
- CPU: ARM Cortex M3 Core MCU).
- Ultra-thin Optical Sensor.
- Works well with dry, moist or rough fingerprints
- Anti-scratch with surface high hardness ≧5
- 1:1 verification, 1:N identification.
- High accuracy and high-speed fingerprint identification technology.
- External UART-to-USB converter required (TX & RX levels: 3.3V).
Mini Ultra-small Size ESP-M3 From ESP8285 Serial Wireless WiFi Transmission Module Fully Compatible With ESP8266
- Model: ESP8285 ESP-M3
- 32-bit Tensilica L106 microcontroller
- Ultra-low 16 bit RISC
- Fully Compatible with ESP8266
- Embedded TCP protocol
- channel high-precision 10-bit ADC
- Supporting the most commonly used networks (802.11 b / g / n)
- Support WPA, PA2PSK and WPS
- Working temperature: -40 ℃ - + 125 ℃
- Clock Speed: 80 MHz; (max 160 MHz)
- Flash memory: 1 MB
- Interface: HSPI, UART, I2C, I2S, Remote Control IR Control, PWM, GPIO
- Direct WiFi Support (P2P)
- Support mode: CCMP, TKIP (MIC, RC4), WAPI (SMS4), WEP (RC4), CRC etc
- Low consumption
- Easy access to the pins
Mini ESP-M2 ESP8285 Serial Wireless WiFi Transmission Module SerialNET MODE Fully Compatible With ESP8266
ESP8285 M2 WiFi IoT Module :
- SOC characteristics.
- Built-in Tensilica L106 ultra-low power 32-bit CPU, main frequency supports 80MHz and160MHz and RTOS.
- Built-in TCP/IP protocol.
- Built-in one-channel 10-bit high precision ADC.
- Outboard interface: HSPI, UART, I2C, I2S, IR Remote Control, PWM, GPIO.
- The deep sleep current is 10uA, the cut-off current is smaller than 5uA.
- Wake, connect and transmit data package within 2ms.
- The consumer power is smaller 1.0Mw (DTIM3) when at standby status.
- Built-in 1M byte for SPI Flash.
- Ultra-small size.
- Support serial to WiFi.
- Wireless transparent transmission.
- Long-distance transmission with ultra-low power.
- Support outboard antenna.
- Bearing high temperature to 125 °C, compared to the 85°C for ESP8266.
- Support 802.11 b/g/n/e/I.
- Support Station, Soft AP, Soft AP+STA mode.
- Support WiFi Direct (P2P).
- Support CCMP (CBC-MAC, computation mode), TKIP (MIC, RC4), WAPI (SMS4), WEP (RC4), CRC etc., for hardware acceleration.
- P2P finding, P2P GO mode/ GC mode and P2P power management.
- WPA/PA2PSK and WPS.
- 11securitycertification: pre-certification and TSN.
- Support 802.11n (2.4GHz).
- 1h/RFC1042 frame encapsulation.
- Support seamless roaming.
- Support AT remote update and cloud update (OTA).
- Support Smart Config function (including Android and Ios device
Socket Adapter Plate Board for 8 Pin Nrf24L01 Wireless Module
- Used with NRF24L01 wireless module
- Add core nRF24L01+ Breakout Adapter with onboard 3.3V Regulator
- Onboard 3.3V voltage regulator accepts your Arduino +5V supply and provides 3.3V for the attached nRF24L01+ module
- Allows for easy connection to nRF24L01+ modules
- Small power on SMD LED indicator
- On-Board Voltage Regulator:
- Dimension: 15.3 x 11.5 x 1.2 cm
- Weight: 10 Grams
Ina219 I2C BiDirectional DC Current Power Supply Sensor Breakout Module
- 1 ohm 1% 2W current sense resistor
- Up to +26V target voltage
- Up to ±3.2A current measurement, with ±0.8mA resolution
- Senses Bus Voltages from 0 to 26 V
- I2C- or SMBus-compatible interface. The
- Reports Current, Voltage, and Power
- 16 Programmable Addresses
- Filtering Options
- Calibration Registers
- SOT23-8 and SOIC-8 Packages
- Using a single power supply, the working voltage is between + 3.0 to + 5.5 V.
- Calibration programmable registers directly read its unit of measure in the ampere current, and power in watts per reading.
- For as many as 128 samplings averaging, in order to realize filter in the noise environment.
- The I2C interface timeout, not only avoid the bus lock but also can provide high-speed mode, meet the communication requirements of up to 3.4 MHz.
- Supported software programmable INA219.
- Dimensions: 0.9*0.8inch
- Weight: 1.9g
MT8870 DTMF Audio/Speech Decoding Telephone Module
- Power Input: 5V Nominal (4.5V - 5.5V)
- 5 Channel Interface
- Detects 0-9, A-D, *, #
- 54” Pin pitch
- On-board 3.5mm jack input Facility
- On-board MT8870 frequency decoder chip
- On-board voice input interface
- On-board LED lights for output state indication
- Low power consumption
- Internal gain setting amplifier
- Adjustable guard time
- 5 Channel interface
- Power-down mode
- Inhibit mode
- Does not require external circuits or wiring,
- Dimension: 37 x 25 x 12 mm
pH Sensor Module & pH electrode Probe for Arduino, AVR, PIC
- Module Power: DC 5.00V.
- Measuring Range: 0-14PH.
- Accuracy: 0.01 pH
- Response Time: ≤ 1min.
- Industry pH Electrode with BNC Connector.
- Power Indicator LED.
- Output: Analog values in the range of (0.5V to 3V).
- Alkali Error: 0.2PH.
- Internal Resistance: 250MOhm.
- Gain adjustment Potentiometer.
- Measuring Temperature: 0 degrees to 50 degrees C
- Terminal Blocks: BNC plug.
- BNC Connector is suitable for most pH meters and controllers.
- Suitable for a wide range of applications: Aquariums, Hydroponics, Laboratory etc.
- Module Size: 50 x 47 x 16mm
Sim800C GPRS/GSM Shield with Antenna
- Chip: QuadBand SIM800C GSM CHIP.
- Supply voltage range: 4 to 4.4V
- Quad-band 850/900/1800/1900MHz
- GPRS multi-slot class 12/10
- GPRS mobile station class B
- Compliant to GSM phase 2/2+
- Control via AT commands
- Configurable baud rate.
- SMA connector with GSM L Type Antenna.
- Built-in SIM Cardholder on Top Side.
- Arduino compatibility: Arduino UNO R3, Arduino Mega etc.
- Antenna type: Finger antenna.
- Output: TTL and RS232 serial output.
- Simcard holder: standard size.
- Buzzer for CALL and SMS indication
- Built-in Network, Status leds.
- Inbuilt Powerful TCP/IP protocol stack for internet data transfer over GPRS.
- Normal operation temperature: -20 °C to +55 °C.
- On-Board Buzzer for Ring Indication.
- On-Board provision for Speaker and Mic.
- Low power consumption
- Dimensions: 17.6*15.7*2.3mm
- Weight: 1.3g
PCF8574 I/O For I2C Port Interface
- Communication: I2C
- Operating Voltage: 2.5-V to 6V.
- Open-Drain Interrupt Output
- Compatible With Most Microcontrollers
- 8-bit remote I/O pins
- Up to 64 I/O ports
- Low standby current
- Operating temperature: 40 degrees C to +85 degree C
- Supports Arduino cascading, and you can use at most 8 modules to extend 64 I/O at the same time.
- the address can be changed by a set a toggle switch.
- Every 2 seconds, make P0-P7 port output High level, Low level, and put 3 toggle switches to ON, the address of module is 0x27.
- PCB Size: 36 x 16mm