Onboard precision microcurrent transformer. Onboard sampling resistor. The module can measure AC currents less than 5A, the corresponding analog output 5A/5mA. Rated input current: 5A Rated output current: 5mA Change: 1000: 1 The linear range: 0 ~ 10A (100 ohms) Linearity: 0.2%

Chipboard STM32F103C8T6 On board, SWIM interface and reset button Micro USB line or the 2.54 pin to link to the power with the input voltage 4.5V-15V. Power light and the Demo indicator light Leads all the pins and has detailed label for the Pins. Support SWIM debug mode. RoboticsBD

Main color: Yellow Measure range: 0.00-14.00pH Resolution: 0.01pH Accuracy: ±0.05pH Calibration: two points automatic calibration

Driver Chip: MAX7219 Input Voltage: 3.7 to 5.3 V Input Current: 320 mA Display Dimensions: 32x32x6 (LxWxH) mm PCB Dimensions: 128×32 (LxW) mm

Maximum effective distance up to 150mm Less than 100ms decoding time Support external antenna Uart interface Support EM4100 compatible read-only or read/write tags Small outline design

Driver Chip: MAX7219 Input Voltage: 3.7 to 5.3 V Input Current: 30 mA Display Dimensions: 42x24x12 (LxWxH) mm

Dimensions : 66 x 66 x 3 mm. Weight : 25 gm. Supply Voltage : 5 VDC. Interface : IO . 8 x 8 = 64 RGB. Chip : WS2812.

Stackable design, easy to plug into the ARDUINO development board. Coupled with the Arduino Bluetooth Bee Bluetooth module, and other Bluetooth devices can communicate Wirelessly. 3.3v and 5v dual power output. 3.3v and 5v IO compatible. USB2.0 protocol.

Compatible with Arduino NANO All digital and analog pins breakout Compact size; External power supply current support Leads all pins out, convenient for wiring and doing experiments.

Reset button.  4M crystal onboard, Using socket, Crystal frequency can be replaced easily at any time  4 independent push buttons, connected to RB0 RB1 RB2 RB3  8 LED's connected to the RD port, J3 is jumpered to enable LED. Remove to disconnect.  Standard RS232 communication interface, microcontroller computer communication interface. 

Quad-band 850/900/1800/1900MHz Inner MT3337 GPS receiver, -165dBm precision, control on a same serial port. Earphone/ microphone outputs on a card or external 32-ohm speaker + supports voice calls with an electret microphone. Sending and receiving SMS.

Latest Arduino CNC Shield Version 3.10 GRBL 0.9 compatible. (Open source firmware that runs on an Arduino UNO that turns G-code commands into stepper signals) Coolant enable Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping ) Compact design. 4-Axis support (X, Y, Z, A-Can duplicate...

Interface: I2C Operating Voltage: 3-5VDC Ports: 8-bit Parallel Ports Can be used with Arduino and Raspberry Pi

Board Based On AI-Thinker A9 GPRS Module Supports Firmware Upgrade Via Serial Port Operating Voltage: 5v

Standard For Shield interfaces and shape Can continue to stack other For  expansion boards 3 M3 screw positioning holes for easy installation High Drive (5V or 3.3V) normally open contact closure Onboard relay indicator (red) Note: Relay might be different from the picture as per stock

Nextion is a seamless Human Machine Interface (HMI) solution. Nextion provides a control and visualization interface between a human and a process, machine, application or appliance.  Nextion is mainly applied to Internet of thing (IoT) or consumer electronics field.

Model No.:NX8048T050 Display Type:011R(R:Resitive Touchscreen) Operating Voltage (VDC):4.75 ~ 7 Max. Operating Current (mA):410 Touch Type: Resistive Colors:65K (65536)

Supports development boards such as Arduino UNO and Mega2560 for plug-in use without wiring 480X320 resolution, clear display Support 16-bit RGB 65K color display, display rich colors 8-bit parallel bus, faster than serial SPI refresh On-board 5V/3.3V level shifting IC, compatible with 5V/3.3V operating voltage Easy to expand the experiment with SD card...

It has a nice standard 0.1″x0.1″ prototyping grid with big pads Comes with Stacking headers and plain header, choose whichever you want when soldering together An IC pattern for adding DIP ICs up to 20 pins Power rails down the middle and sides A reset button and an extra general use button Two 3mm general use LEDs, red and green, as well as 2 matching...

Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay Transmission Distance : 400m (max) Relay : 5V,10A/250V AC 10A/30V DC Baud Rate: 9600. Diode effusion protection; Short...

Transmission Distance(m) :400 Relay Channel:2 Trigger Voltage (VDC): 5 Switching Voltage (VAC):250@10A Switching Voltage (VDC):30@10A Baud Rate:9600 Note: Relay might be different from the picture as per stock

For Standard LCD 16x2. Press here.For Standard LCD 16x2 with Male Header. Press hereFor Standard LCD 16x2 with Female Header. Press hereFor Standard LCD 16x2 with I2C adapter board soldered. Press here.For Standard LCD 16x2 with White Background. Press here.For Standard LCD 16x2 with Blue Background. Press here. Model: LCD1602 Interface: I2C Interface...

Length: 12.5 inches/30 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.

Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.

Type: CJMCU MINI USB AMS1117 MINI USB interface input 5V MINI USB outputs 5V and 3.3V DC power socket interface input 5V – 12V. DC power outlet output (5V label) 5V and 3.3V Weight: 2 gm.

SMD-MAX7219-MODULE A single module can drive an 8 * 8 common cathode lattice Module Operating voltage: 5V. Module with input and output interfaces Supports multiple modules cascade Led color: Red

Voltage: 3.0 V – 5 V. Driver: APC circuit. Line length: about 135 mm. Transmit power: 58mW. Operating Current: 40mA. Operating Current: 40mA. Operating temperature: -36◦C ~ 65◦C.** We've received reports from some customers that they were unable to make the product work. To avoid any inconvenience, we suggest that you refrain from making a purchase...