USB Charger Doctor
- Display data: Voltage Current
- Operating Voltage: 3.5 to 7 V
- Maximum Current: 3 A ( accuracy of 0.4% )
- Battery Capacity (0-99999mah)
- Working time (0-99Hour)
- Charger voltage compliance DC 5V
- Resolution : Voltage 10mV current 1mA
- Error : voltage <± 1% current <± 2%
- USB Plug: 13mm / 0.5"
- RTZ, Reset button, press it three seconds will Reset
- The working time and Capacity have a Memory function when power is off.
- Compact and easy to carry, no additional power supply, plug, and play
- Detect any USB charger such as PC USB, home charger, car charger
- Easily measures the output voltage of the USB port and the device operating current or load voltage
- Dimensions: 21mm x 53mm x 15mm
- Weight: 16.2gm
Solid Relay Module 1 channel 5v low level trigger for Arduino
- 5V Solid State Relay
- Output With resistive fuse 240V 2A.
- Input Power: 5V DC (160MA).
- Input control signal voltage: 0 - 2.5V state low relay OFF/3.3V - 5V state high relay ON
- Working current: 12.5mA.
- Trigger voltage: 3.3-5V.
- Trigger current: 2mA.
- Rated output load: 100V to 240V AC (50Hz/ 60Hz) 2A per channel
- Rated input power: 5V, 160mA (all channels ON)
- Triggered at Low level (or Active Low)
- Separate LEDs showing the status of each Solid-State Relay
- Input control signal:
- Used in PLC control, home intelligent control, industry, electronic DIY etc.
- Dimension: 25mm x 34mm x 22mm
USB for DIY charger 5V Step-Up Power Module Lithium Battery Charging Board
- Input Voltage:3.7V~5.5V
- Charging Current:1A(max)
- Output Current:1A(max)
- Output voltage:5V
- BAT Discharging Stop Voltage: 2.9V.
- Discharging Efficiency:85%(input 3.7V output 5V/1A).
- Charging and discharging indication.
- Internally installed charging and discharging power MOS.
- Preset 4.2V charging voltage, precision ±1%.
- Max 8uA standby current.
- Integration charging management and discharging management.
- Intelligent temperature control and overtemperature protection.
- Integration output overvoltage protection, short circuit protection, overload protection.
- Integration overcharging and over-discharging protection.
- Support trickle mode and zero voltage charging.
- When charging: red light flashing.
- Fully charged: Red light glows for a long time
Mini SMD NRF24L01 2.4G Wireless Data Transmission Module
- Maximum operating speeds up to 2Mbps
- GFSK modulation efficiency, Anti-interference ability,
- Built-in hardware CRC error detection, Multipoint communication address control.
- Low-power 1.9 to 3.6V, only 1uA on Power-down mode
- Built-in 2.4Ghz antenna
- Built-in voltage regulator
- 125 Channels, Multi-point communication, and frequency hopping to meet the communication needs
- Wireless transceiver including Frequency generator, enhanced type, SchockBurstTM, mode controller, power amplifier, crystal amplifier, modulator, demodulator
- The output power channel selection and protocol settings can be set extremely low current consumption, through the SPI interface
- In the transmit mode, the transmit power is 6dBm, the current is 9.0mA, the accepted mode current is 12.3mA, the current consumption of the power-down mode and standby mode are lower
- Standard DIP Pitch Interface for embedded applications.NRF24L01 SPI interface: hardware SPI port, MCU I/O ports
- Internal FIFO compatible with a variety of microprocessor interface, micro-controller is convenient
GT2 20 tooth bore 6.35mm width 10mm pulley
GT2 20 tooth bore 8mm width 10mm pulley
GT2 20 tooth bore 8mm for width 6mm belt
GT2 20 tooth bore 6.35mm for width 6mm belt
- of teeth: 20.
- Outer Diameter: 16 mm.
- Inner Diameter: 6.35mm.
- Length: 16 mm.
- Teeth number: 20
- Flange: Double
- Measures 0.63" (16mm) long and 0.63" (16mm) outer edge diameter.
- Diameter of geared section is 0.48" (12.2mm) - measurement taken from top of tooth to top of tooth on opposite side
- Weight 6 gram
Power HD 1501MG High-Torque Metal Gears Servo 60g/ 17kg-cm
- Motor Type: DC Motor
- Gear Type: Copper
- Stall Torque: 15.5 kg-cm (4.8V); 17.0 kg-cm (6V)
- Operating Speed: 0.16sec/60degree (4.8V); 0.14sec/60degree (6.0V)
- Temperature Range: -20℃ - +60℃
- Working Frequency:1520μs / 50Hz
- Servo Wire Length: 32cm
- Current Draw at idle: 10mA
- No Load Operating Current: 170mA
- Stall Current: 1.2A
- Dimension: 40.7mm X 20.5mm X 39.5mm
- Weight: 63g