VS1053 MP3 Recording Module Development Board with Onboard Recording For UNO
- SPI interface, the control signal lines are led out
- A headphone and stereo output
- Onboard Microphone for recording
- A line-in input interface
- Separate 3.5 mm Jack for MIC and Speaker
- Onboard Power Indicator
- 3V and 2.8V of LDO chip AMS-1117 on board provides up to 800mA current
- Can play a variety of music formats, support for OGG encoding real-time recording
- A single power supply: +5 VDC
- 288 Mhz crystal
- TF card slot
WEMOS D1 Pro mini-16m External Antenna Connector ESP8266 WIFI Networking Smart Component
ECG Sensor Module – AD8232
- Single-supply operation: 2.0 V to 3.5
- Designed to extract, amplify, and filter small biopotential signals.
- Leads-Off Detection.
- Shutdown Pin.
- LED Indicator.
- Analog Output.
- 5 mm Jack for Biomedical Pad Connection.
- Single Lead Heart Rate Monitor is a cost-effective board used to measure the electrical activity of the heart.
- Fully integrated single-lead ECG front end
- Common-mode rejection ratio: 80 dB (dc to 60 Hz)
- Two or three-electrode configurations
- Qualified for automotive application
- Fast restore feature improves filter settling
- Dimension: 3.5cm x 3cm
TURBIDITY SENSOR
- Working voltage: DC5V
- Measure water turbidity and estimate water quality
- Operating Current: 30mA (MAX)
- Response time : <500ms
- Digital and analogue output
- High level: 5V, low level: 0V
- Operating temperature: -30 to 80 degrees C
- Storage temperature:-10 to 80 degrees C
- Compatible with Arduino, Raspberry Pi, AVR, PIC, etc.
- Weight: 15g
XBee Module S2C XB24CZ7WIT-004
- Protocol: ZigBee®
- Transceiver chipset: Silicon Labs EM357 SoC
- RF Standard: 802.15.4
- Frequency (ISM Band): 2.4GHz
- Digital I/O: 15
- ADC Channels: (4) 10-bit ADC inputs
- Data Rate: RF 250 Kbps, Serial up to 1 Mbps
- Range: Indoor 200 ft (60 m), Outdoor (LOS) 4000 ft (1200 m)
- Transmit Power: 3.1 mW (+5 dBm)
- Channels: 16 channels
- Encryption: 128-bit AES
- Voltage requirements: 2.1 to 3.6 VDC
- Current requirements: ~33 mA @ 3.3VDC (transmit), ~28 mA @ 3.3VDC (receive), <1 uA @25ºC (sleep)
- Migratable to Digi Mesh and ZigBee PRO protocols
- Configuration Method: API or AT commands, local or over-the-air (OTA)
- Communication: CMOS UART / SPI
- Dimensions: 27.61 x 24.38 x 4.06 mm
- Operating temperature range: -40 to +85 °C
- Integrated, Wire Antenna
- Interoperable with other ZigBee-compliant devices
- Programmable versions with on-board microprocessor enable custom ZigBee application development
- Supports binding and multicasting for easy integration into a home automation platform
- Through-hole form factor enables flexible design
SIM28 GPS Module Modem with GPS antenna
- Operating voltage: 12V DC.
- Frequency l1, 1575.42mhz
- C/a code 1.023mhz chip rate
- 16-channels GPS search engine
- Ultra-low-power design (38mA, typical)
- Compact size
- Built-in low noise, high gain active antenna
- Super-cohesive magnetic for installation
- High sensitivity (up to -152dBm type)
- Super-cohesive magnetic for installation
- Apply to host devices with USB or RS232
- Compatible with TTL serial
Power Line Carrier Module KQ-430F
2.8 inch SPI Screen Module TFT Interface 240 x 320 without Touch
WeMos D1 ESP Wroom 02 Board ESP8266 Mini WiFi Nodemcu Module 18650 Battery
- One AD inputs.
- Micro USB inputs.
- One programmable LED (D0).
- AUTO PROGRAM circuit.
- ESP8266 (ESP-WROOM-02 With TELEC) is equivalent to the NodeMCU.
- Analog Input (AD): Built-in dividing resistor (AD = 220K ADC 100K = GND).
- There is a SOLDER terminal for SLEEP MODE.
- Compatible With Arduino andNodeMCU.
- Operation and charging are possible at the same time.
- 18650 charging circuit including the 5V boosting circuit with TP5410.
- Overcharge protection, over-discharge protection built-in.
- LED: Red = Charging, Green = Full charging.
- 3000 mA 18650 It is possible to operate for more than 17 hours on a battery.
- Integrated 18650 battery charging and discharging system.
- One switch controls whether the 18650 battery is on power or not.
- OLEDs SDA and SCL can connect to the D1 pin and the D2 pin respectively.
- The five buttons can be controlled by FLATH, RSET, D5, D6, and D7 respectively.
- The 5 Digital pins can configure the write/read/interrupt/PWM/I2C/one-wire supported separately.
- Operation and NodeMCU consistent, adding a programmable LED, you can use GPIO16 to control; display 8266 running status and other functions. Integrated OLED and five buttons, more convenient for development.
- The design concept originates from the open-source project NodeMCU; the development board integrates 18650 charging and discharging systems with charging and discharging protection. At the same time, an OLED and five directional buttons are integrated to facilitate the development.
24V/12V to 5V 5A Power Module DC-DC XY-3606 Power Converter
- Working voltage: DC 9V–36V
- Output voltage: 5.2V/5A/25W
- 9~24V input: Output 5.2V/6A/30W
- 24~32V input: output 5.2V/5A/25W
- 32~36V input: output 5.2V/3.5A/18
- The synchronous rectification scheme, wide voltage, high current, high efficiency.
- With DC plug and terminals, easy to use.
- With USB port, fast-charge identification chip compatible with Android and iPhone mobile phones.
“PWM Generator Module for Stepper Motor Driver with Forward and Reverse Function “
- Board can be used to generate PWM signals for the stepper motor driver
- Operating Voltage: 12VDC
- Three Frequency Range
- Forward and Reverse Function.
- It has three frequency ranges selectable via onboard jumpers.
- Frequency can be measured via PUL and common cathode (GND) ports.
- The board has two sets of power input
3.5″ inch ILI9486 TFT Touch Arduino Shield LCD Module
- 5″ diagonal LCD TFT display, with bright 4 white-LED backlights, default state: on
- It can control the backlight to connect the transistor to a digital pin
- 480×320 Pixels, with colourful and 18-bit, 262,000 different kinds of shade
- 4-wire resistive touchscreen
- 8-bit digital interface, plus 4 control lines