TDA7492 50W*2 100W High Power Digital Amplifier Board
• Class D amplifier produces 2 x 50 watt @ 8 ohms
• Can be wired R+ to L+ for mono mode
• 8″ stereo wiring harness included
• Short-circuit and over-temperature protection
• Supply Voltage 10-26 V DC.
• Standby and mute features
• Short-circuit protection
• Thermal overload protection
• Externally synchronizable
DC 6V-40V TO 5V 3AMP DOUBLE USB CHARGER DC-DC STEP DOWN CONVERTOR MODULE
• Input voltage: DC 6 ~ 40V
• Output voltage: 5V (when the input voltage is between 6.5V ~ 40V
• The voltmeter has an automatic calibration function
• With reverse connection protection
• With overheat protection and short circuit protection
• The voltmeter has an automatic calibration function
• With reverse connection protection.
• With overheat protection and short circuit protection
• High efficiency and low ripple
• With USB power indicator light.
A4988 STEPPER MOTOR DRIVE CONTROLLER BOARD
- Operating voltage supply: 8 V to 35 V
- Continuous current per phase: 1 Amp
- Maximum current per phase: 2 Amp
- Minimum logic voltage: 3V
- Maximum logic voltage: 5.5V
- Microstep resolutions: Full, 1/2, 1/4, 1/8, and 1/16
- Compact size, easy to install and use.
- All jumpers hit the ON position to indicate 16 subdivisions (4988) or 32 subdivisions (8825).
- Jm connection motor; Jv Connects 5V and 12V-24V Power Supply.
- E /S /D /G of Jc corresponds to Enable /Step /Dir /Gnd driving signal output on the connection respectively.
Generic Portable MT87 Digital Multimeter LCD Clamp AC DC Voltage Current Amp Ohm Tester
• Function Range: Accuracy
• DC voltage: 600V±0.8%+1dgt
• AC voltage: 450V±1.0%+4dgts
• Resistance: 200KΩ±1.0%
• AC Current: 20A-200A-400A±2.0%+5dgts
• Power supply: 1.5V 2x AAA batteries (not included)
• Max display: 1999
• Buzzer: Yes
• Diode test: Yes
• Data hold: Yes
• Dimension: 150L×63W×28H(mm)
• Display size: 14mm×47mm
• Color: black+yellow
• Material: plastic+electronic part
AMS1117 5V POWER SUPPLY MODULE
• Input: DC 6.5V – 12V (input voltage must be more than the output voltage (more than 1V))
• Output: 5V, 800mA (load current cannot exceed 800mA)
• Onboard AMS1117 chip.
• Onboard power indicator to indicate power is turned on: Red LED.
• Output voltage interface, connection to facilitate the experimental.
• Specially designed two pin mounting holes, can be directly fixed on the whole expansion board for experiments.
• Small Compact Size, 4Pin Type, Breadboard Friendly.
• 2P single row pin input and output for easy connection
• Dual-panel design, the layout is nice
AMS1117 3.3V POWER SUPPLY MODULE
• Input: DC 4.5V – 12V (input voltage must be more than the output voltage (more than 1V))
• Output: 3.3V, 800mA (load current cannot exceed 800mA)
• Onboard AMS1117 chip.
• Onboard power indicator to indicate power is turned on: Red LED.
• Output voltage interface, connection to facilitate the experimental.
• Specially designed two pin mounting holes, can be directly fixed on the whole expansion board for experiments.
• Small Compact Size, 4Pin Type, Breadboard Friendly.
• 2P single row pin input and output for easy connection
• Dual-panel design, the layout is nice
Acrylic case for XH-W1209 temperature controller
PL2303 6 pin USB to TTL RS232 convert serial cable
• Supports RS-232 serial interface with Programmable baud rate from 75 bps to 12 Mbps
• Compatible with the RS422/RS485 interface
• Extensive flow control mechanism like adjustable high/low watermark level, automatic hardware or software flow control, and inbound data buffer overflow detection.
• The cables provide a fast, simple way to connect devices with a TTL level serial interface to USB
• The TTL-232R cables are a family of USB to TTL serial UART converter cables incorporating FTD’s FT232RQ USB to Serial
• Cables are FCC, CE, RoHS compliant and are available at TTL levels 3.3V
• It is USB 2.0 full speed compatible. The USB side of the cable is USB powered.
High Quality Brake Lever for Ebike
• 100% Brand new and high-quality product
• Adopting full aluminum material, high performance of durability and stability.
• Suitable for many kinds of cycling bikes with a 22.5 mm handlebar, such as mountain bike, road bike and more.
• The 1.5 m low-level brake cable has no negative pole or positive pole distinction, can be arbitrarily connected to the electric brake switch.
• It plays a big role in protecting the motor and prolongs your motor’s lifespan.
• A good replacement part for your old or damaged brake lever of a bike.
• Long life
• High reliability and stability
Micro USB Breadboard 5V Power Supply Module
MPR121
- Connection Interface: I2C.
- Operating Voltage: 2.5-3.6 VDC
- Application: Capacitive Touch Sensor Controller
- Number of touches inputs:12
- Capacitive touch sensor controller is driven by an I2C interface.
- Can control up to twelve individual electrodes, as well as a simulated thirteenth electrode.
- Eight LED driving pins.
- Connection to the microcontroller /microprocessor via I2C bus.