RCWL-0516 Microwave Radar Sensor
- Operating Voltage: 4 to 28 V DC
- Operating Current: 2.8mA (typical); 3mA (max)
- Detecting Range: 5-9m
- Transmitting Power: 20mW (typical); 30mW (max)
- Output Voltage: 3.2 to 3.4v
- Output Voltage Driving Capacity: 100mA
- Output Control Low Level: 0V
- Output Control High Level: 3.3V
- Operating Temperature (C): -20 to 80 degree C
- Transmission signal processing control chip RCWL-9196
- Penetrating detection capability, compared with the traditional infrared feeling PIR
- Adjustable Block time and distance
- Dimension:36*17*2mm
- Weight: 3gm
RDA9851 CPR9851S Bluetooth MP3 FM Module
- Supply voltage 3.2V ~ 4.2V
- Current consumption when the normal operating current 45mA, 32mA Play Pause
- Separation 50dB SNR 70dB
- supports MP3/WMA/WAV/SBC
- Wireless stereo transmission, Bluetooth phone
- BT card reader as it supports USB host so can read data from SD or MMC
- Stereo audio Line-in input
- IR remote control
- Bluetooth version Bluetooth V2.1 + EDR
- UART port for serial communication, and can customize AT communication protocol
- Integrated power management circuit
- High-speed UART interfaces, for debugging or updating software
- Support 3X3 matrix key
- Two controllable LED, support external amplifier mute function
- the internal integration 2x1W amplifier supports dual-channel amplifier output directly ( 2x6 recommended European speakers, power is about 2x0.75W)
- Modulation PSK 3Mbps, 4-DQPSK and 8DPSK
- Supports HFP / HSP, OPP, A2DP/AVRCP, PBAP profiles
- Sensitivity (0.1% BER)-82dBm
- Class2 and class3 transmit power to meet the requirements of the transmit power can provide +7 dBm maximum transmit power
- Operating temperature -20 ~ +50 degree
- Dimension: 26mm x 19mm x 2.05mm
Red TTP223 Touch button Module
- Input Voltage: 2 Volt - 5.5 Volts DC.
- Current Consumption: < 7 µA
- Low Power Mode and Fast Mode
- Start-up Calibration Delay: 0.5 Sec
- Simple, easy to use, with Auto Calibration
- Output mode is set by Jumper
- The response time max is ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V.
- Sensitivity can adjust by the capacitance (0~50pF).
- Supports momentary or latching/toggle modes.
- Have two kinds of sampling length by pad option (SLRFTB pin)
- Provides Fast mode and Low Power mode selection by pad option (LPMB pin).
- Provides direct mode toggle mode by pad option (TOG pin).
- All output modes can be selected as active high or active low by pad option (AHLB pin).
- Have the maximum on-time 100sec by pad option (MOTB pin).
- Have external power-on reset pin (RST pin).
- Auto-calibration &Re-calibration period is about 4.0 sec when the key has not to be touched.
- Dimensions: 15mm x 11mm.
RELAY SHEILD
- Every channel maximum convert voltage: AC 125V / DC 24V
- Every channel maximum converts current: 3A
- Interface via digital I/O pins 4,5,6, and 7
- Relay screw terminals
- Standardized shield shape and design
- LED working status indicators for each relay
- High quality relays
- COM, NO (Normally Open), and NC (Normally Closed) relay pins for each relay
- Update pin SCL, SDA, IOREF, NC.
- Arduino,Crowduino,Seeeduino,Arduino Mega compatible
- Automatic control and manual control
- 4 mechanical relays with photo-coupled circuit
- 3-M3 screw hole easy to install
- Driven by 5V / 3.3V normally open contact close
RFID EM18 125KHz RS232 Output
- Operating Voltage: 5V DC Supply
- Reading Distance: 6-10 cm.
- Read frequency: 125 kHz.
- EM4001 64 – bit RFID tag compatible.
- 9600bps ASCII output.
- Current : <50 mA
- Operating Frequency: 125 Khz
- This RFID Reader Module 125Khz is easy to use
- It is Low Cost
- It gives RS-232 and TTL Output
- Need a very less external component to drive
- TTL Level Compatible (Directly connected to the microcontroller)
- Small Buzzer & LED available to know about the card presence
- High-Quality PCB material & Original component only
- Dimension:32* 32* 8mm
RIKO SN04-N NPN Inductive Proximity Sensor
• Operating Voltage(V): 10 ~30
• Current Consumption Max: 5 mA
• Detection distance(mm): 5 mm.
• Type of detection: Inductive.
• Cable Length: 145 cm.
• Response Frequency: 500Hz Max.
• Protection class: IP 67
• Red LED checks the state of the proximity sensor
• High repeated positioning accuracy
• High switching frequency
• Wide voltage range
• Antivibration, dust, water and oil prevention
• Reverse power protection, short circuit protection, directly connecting with PLC
• It can replace small switches and limit switches
RP203 Thermal printer with case 5V
- Model RP203 Thermal Printer Panel
- Print method: Direct thermal print and auto paper feed.
- Printing Width: 48 MM.
- Max Printer Speed: 85 mm/s (max).
- Printer Interface: TTL/RS232,
- Command System: ESC/ WH,
- Working Voltage: DC3.3V-9V,15V,
- Rich graphics/curve/text printing function,
- Printing head lifespan: >50KM,
- Paper Type: Thermal paper (With 58mm, Thickness 65+5um, diameter 35mm),
- Printer dimension: 76.8*77.4*43.5mm(w*h*d),
RPI Transparent case
- Brand: Raspberry Pi4
- Colour: Transparent
- Material: Acrylic Transparent Case
- LASER cut parts
- Cutout for GPIO & camera.
- Easy to assemble without any Screws or Nut-Bolts
- Cut-out for micro SC card at the bottom panel
- Mounting holes and anti-slip rubber feet at the back.
- 5mm led hole for possible installation of the ON / OFF LED
- Fits all Raspberry Pi 4 Model B boards
- Protects against damages, dust, and scratches
- This is high-Quality It fully encloses the Raspberry Pi Board with openings for all I/O ports – GPIO
- This simple case provides tough protection for your raspberry pi along with access to ports
- High Quality two-piece injection-moulded ABS enclosure
- 4 x Non-slip Silicone Gaskets providing Grip for the case.
- Dimensions: 4 x 3 x 2 cms
- Weight: 50 grams
RS232 TO RS485 CONVERTER ADAPTER
- Input: USB 2.0 Protocol
- Output: RS232 on DB9 Male connector compatible to PC RS485/RS422 on the terminal block.
- Communication Speed: 300bps to 230Kbps.
- Auto direction control for RS485- 2W data transmission.
- Plug-and-Play (Device is Hot-pluggable)
- Cable: USB 2.0 type A to type B cable.
- Galvanic Isolation of 1.5kV
- RS232/RS485 line protection: +/- 15kV ESD.
- LED Indication for Transmit Receive signals.
- Input power from the USB port
- No external power is required.
- RS232 with DB9 Female connector
- RS485 with DB9 Male connector
- Baud rate up to 230Kbps.
- Input power supply range 9-6V DC to 26.4V DC
- USB Drivers provided for Win XP, Vista, Win7, Win8
- Working Modes: Asynchronous, half-duplex, differential transmission
- Operating temperature: -10°C to 85°C,
- Relative humidity: 5% to 95%
- Transmission distance: 1.2 mile (RS-485), 5 meters(RS-232)
- Transmission Media: Common wire, double wire, UTP or Shielding Line
- Serial Port Feature: Compatible with EIA/TIA RS-232C standard and RS-485 standard
- Weight: 49gm
Screw Shield Expansion board for Arduino
- Arduino terminal to provide the IO, port connection.
- 81 posts quality, reliable, convenient, durable.
- Combined with the Proto Shield, the middle can be used as a prototype expansion board.
- Double-sided PCB Prototyping extended area vias connecting the front sides can be welded components.
- The middle section can be placed small bread plate, convenient test extend
SD Card shield V4.0 for Arduino UNO
- Standard SD card, SDHC card and TF card compatible
- 3.3v and 5v logical voltage compatible
- 2.6-3.6v DC power supply
- UART Grove & I2C connection compatible
- Fully supported SD Library
- Minimal number of SPI port
- Jumpers provided for configuring Arduino SPI port pins
- Onboard toggle switch for SD card select type
- Truly stackable
- Prototype expand Library support
- Size: 53mm x 47mm
- Weight: 35g
SEN-HZ21WI DN15 1/2 Copper Water Flow Sensor Output Flow Sensor Switch
- Model: SEN-HZ21WI
- Material: Copper
- Colour: Gold
- Type: 1/2(External Thread Diameter)
- Water quality requirement: ≤60℃
- Flow range: 1-30L/min
- Maximum water pressure: 1.75MPa
- Three-wire connection: Red for positive pole, black for negative pole, yellow for pulse signal
- Lightweight, reasonable size, stable performance, low water pressure start, easy to install, safe to use
- Weight: approx. 95g