4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module
- For the successful start of the drill, it requires three 15C-20C power battery, or six 10C-15C power batteries (ordinary 18650 cannot start the drill!!)
- Strictly according to map wiring 0V, 4.2V, 8.4V, 12.6V, 16.8V, do not deliberately short circuit.
- Overcharge protection,
- Over-discharge protection function, short circuit protection function,
- Overcurrent protection function, band balance.
4 Series 30A 18650 Lithium Battery Protection Board 14.8V 16V with Cable
- For the successful start of the drill, it requires three 15C-20C power battery, or six 10C-15C power batteries (ordinary 18650 cannot start the drill!!)
- Strictly according to map wiring 0V, 4.2V, 8.4V, 12.6V, 16.8V, do not deliberately short circuit.
- Overcharge protection,
- Over-discharge protection function, short circuit protection function,
- Overcurrent protection function, band balance.
CJMCU-34725 TCS34725 Color Sensor RGB Module
- Operating Voltage: 3.3V
- Supply Voltage: 3.3V-5V
- Color management is more accurate
- High sensitivity
- Wide dynamic range
- IR shading filters make the TCS34725 ideal
- Integrated IR blocking filter
- 8M:1 dynamic range
- Four independent analogue-to-digital converters
- A reference channel for colour analysis (clear channel photodiode)
- Length: 20mm
- Width: 20mm
- Weight: 10 g
Single Phase Voltage Mutual Inductor AC Active Output Module ZMPT101B 2mA
- Supply voltage: 5-30v
- Product model: ZMPT101B
- Rated input current: 2mA
- Rated output current: 2mA
- Change ratio: 1000:1000
- Phase difference: ≤20′
- Linear range: 0~1000V 0~10mA
- Linearity: ≤0.2%
- Allowable error: -0.3≤f≤0.2%
- Isolation withstand voltage: 4000V
- Uses: accurate measurement of voltage and power
- Sealing material: epoxy resin
- Installation method: printed board installation
- Working temperature: -40 to +60 degrees
- Shell material: ABS
- Voltage up to 250 volts can be measured
- Lightweight with on-board micro-precision voltage transformer
- High precision on-board op-amp circuit
- Good consistency, for voltage and power measurement
- Very efficient and accuracy
JQ6500 Voice Sound Module 16Mbit Music MP3 Play MCU Serial Control Module UART SPI Flash
- Input voltage: Power supply is at 3.2V-5V, 4.2V Power supply is the best
- Rated current: 20ma
- Standard DIP16 package.
- 30 level adjustable volume, 10 adjustable EQ
- Working temperature: -40~70°C
- Humidity: 5%~95%
- Support sampling rate (KHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48
- 24-bit DAC output,
- dynamic range support 90dB, SNR support 85dB
- Full support FAT16, FAT32 file system, the largest support 32G TF card, support 32G U disk, 64M bytes NOR FLASH
- A variety of control mode, parallel port control mode, serial port mode, AD button control mode
- The audio data sorted by folder, up to 100 folders, every folder can be assigned 1000 songs
- You can plug in SPI flash, connect the computer can display spi flash letter to update the content;
- Controlled through the microcontroller serial port to play the specified music;
- Can be interrupted: that is, in the process of playing, press the button will interrupt the current state to perform the new;
- MP3 file format: supports all bit rates 11172-3 and ISO13813-3 layer3 audio decoding
IR-08H Infrared Obstacle Avoidance Sensor Module
- Infra-Red IR Emission Receiver IR-08H for Arduino
- Onboard with HS0038B HS38B IR receiver
- Operating Voltage: 3V – 5.5V
- Detection range : 2cm – 40cm
- Output level: Low logic level when an obstacle is detected
- Working current: 20mAh
- Working temperature: -10’C~+50’C
- IO interface: 4 line (-/+/S/EN)
- Output signal: TTL Level
- Adjusting mode: Multi resistance regulation
- Effective angle: 35°
- Size: 4.5 * 1.1cm(approx)
- Easy to assemble and use
- On-board detection indication
- Pin Connection to the board: 4 pins
- A pre-set knob to fine-tune distance range
16-Channel 12-bit PWM/Servo Driver I2C interface PCA9685 for Arduino Raspberry Pi
- Adjustable frequency PWM up to about 1.6 kHz
- 12-bit resolution for each output – for servos, that means about 4us resolution at a 60Hz update rate
- Configurable push-pull or an open-drain output
- The output enable pin to quickly disable all the outputs
- Terminal block for power input
- Reverse polarity protection on the terminal block input
- Green power-good LED
- 3 pin connectors in groups of 4 so you can plug in 16 servos at once
- Chainable design
- A spot to place a big capacitor on the V+ line
- 220-ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial.
- This board/chip uses an I2C 7-bit address between 0x60-0x80, selectable with jumpers.
MQ-9 Carbon Monoxide, Methane and LPG Gas Sensor Module
- Input voltage: DC 5V
- Power: 150mA
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0.3V (relatively clean), the highest concentration voltage is about 4V.
- Suitable for home or factory gas leakage monitoring devices.
- Have better sensitivity to Carbon Monoxide, Methane and LPG Gas.
- High quality dual-panel design, with power indicator and TTL signal output instructions.
- DO switching signal (TTL) output and AO analog signal output.
- TTL output valid signal is low. (When the output low signal is on, it can be directly connected micro-controller or relay module.)
- Analog output voltage: the higher concentration, the higher voltage.
- Four screw holes, easy positioning.
- Long life and stability, quick response and resume.
Black 2M Usb 6 Led Waterproof Borescope Endoscope Inspection Tube Camera
Super Mini Elm327 V2.1 Bluetooth Obd2 OBD-Ii Car Auto Diagnostic Scanner Android
- Model Name: ELM327 OBD2 Bluetooth
- Type: code readers & scan tools
- Output protocol: Bluetooth
- Material: plastic
- Voltage: 12V
- Current: 45mA
- Wave frequency: 38400Hz
- Applicable scope: 5-10m / 16.4-32.8ft
- Item size: 49*26*30mm
- Support OBDII Protocols: SAE J1850 PWM (41.6 kbaud), SAE J1850 VPW (10.4 kbaud), SAE J1939, J1979
GY-906 MLX90614ESF Contactless Temperature Sensor Module
- Small size, low cost
- Mounted on a breakout board with two types of pins
- 10k Pull up resistors for the I2C interface with optional solder jumpers
- Easy to integrate
- Factory calibrated in wide temperature range:
- Sensor temperature: -40...+125°C
- Object temperature: -70...+380°C
- High accuracy of 0.5°C over the wide temperature range
- (0...+50°C for both Ta and To) High (medical) accuracy calibration
- The measurement resolution of 0.02°C
- Single and dual-zone versions
- SMBus compatible digital interface
- Customizable PWM output for continuousreading
- Simple adaptation for 8...16V applications
- Sleep mode for reduced power consumption
