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ESP WiFi Boards
NodeMcu ESP8266 V3 Lua CH340 WiFi Development Board
- Power Input: 4.5V ~ 9V (10VMAX), USB-powered
- Transfer Rate: 110-460800bps
- Support UART / GPIO data communication interface
- Support Smart Link Smart Networking
- Working temperature: -40°C ~ 125°C
- Drive Type: Dual high-power H-bridge
- Don’t need to download resetting
- A great set of tools to develop ESP8266
- Flash size: 4MByte
- Lowest cost WI-FI
SKU: n/a -
ESP WiFi Boards
NodeMCU ESP8266 with CP2102 WiFi Development Board
- WiFi Module: ESP-12E
- Processor: ESP8266
- CP2102 Chip
- Built-in Flash: 32Mbit
- Antenna: Onboard PCB antenna
- Peripheral interface: UART/SPI/I2C/SDIO/GPIO/ADC/PWM
- WiFi Protocol: IEEE 802.11 b/g/n
- Frequency Range: 2.4G ~ 2.5G (2400M ~ 2483.5M)
- WiFi Mode: Station / SoftAP / SoftAP Station
- Power Supply: 5V
- Logic Level: 3.3V
SKU: n/a -
Arduino Boards
Arduino UNO R3 SMD Atmega328P Board – Clone Compatible Model
- Microcontroller ATmega328 (SMD) – Interface CH340G
- Operating Voltage: 5V
- Input Voltage (recommended): 7-12V
- Input Voltage (limits): 5-20V
- Digital I / O Pins 14 (of which 6 provide PWM output)
- Analog Input Pins: 6
SKU: 5487FB8/12 -
Arduino Boards
Arduino nano CH340 Chip Board without USB cable (Soldered)
- Operating Voltage (logic level): 5V
- With Soldered Connector
- 8 analog inputs ports: A0 ~ A7
- 14 Digital input / output ports: TX, RX, D2 ~ D13
- 1 pair of TTL level serial transceiver ports RX / TX
- Using Atmel Atmega328P-AU MCU
- There is a bootloader installed in it
- Standard 0.1” spacing DIP (breadboard friendly).
- Manual reset switch.
SKU: n/a
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Gas Sensors
MQ 135 Air Quality/Gas Detector Sensor Module
- Sensitivity to Ammonia, Sulphide and Benzene steam
- Sensitive for benzene, alcohol, smoke
- Fast response and recovery
- Adjustable sensitivity
- Signal output indicator
- Output voltage boosts along with the concentration of the measured gases increases.
SKU: n/a
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Buck/ Boost Converters
AMS1117 3.3V Step-Down Power Supply Module
Input: DC 4.0V – 12V (input voltage must be more than output voltage (more than 1V))
Output: 3.3V (+-0.05v error), 800mA (load current cannot exceed 800ma)
Onboard AMS1117 chip.
Onboard power indicator to indicate power is turned on: Red LED.
Small Compact Size, 4Pin Type, Breadboard Friendly.
Dual-panel design, the layout is nice
SKU: n/a
Buck/ Boost Converters
AMS1117 5V Step-Down Power Supply Module
Input: DC 6.5V – 12V (input voltage must be more than output voltage (more than 1V))
Output: 5.0V (+-0.05v error), 800mA (load current cannot exceed 800ma)
Onboard AMS1117 chip.
Onboard power indicator to indicate power is turned on: Red LED.
Small Compact Size, 4Pin Type, Breadboard Friendly.
Dual-panel design, the layout is nice
SKU: n/a
Other Modules
DSO138 2.4″ TFT Handheld Pocket-size Digital Oscilloscope Kit DIY Parts Electronic Learning Set Soldered
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Other Modules
DSO138 2.4″ TFT Handheld Pocket-size Digital Oscilloscope Kit DIY Parts Electronic Learning Set Soldered
This kit uses ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display screen.
Adjustable vertical displacement, and with instructions.
With automatic, regular and one-shot modes, easy to capture the moment waveform.
Available rising or falling edge trigger.
Observable previous trigger waveform (negative delay).
Can freeze at any time waveform display (the HOLD function).
Maximum Real-time Sampling Rate: 1Msps
Accuracy: 12Bit
Sampling Buffer Depth: 1024 bytes
Analog Bandwidth: 0-200KHz
SKU: n/a
Interfacing Modules
Frequency Adjustable Pulse Generator Module NE555
Input Voltage: 5V-15VDC
Output amplitude: 4.2V V-PP to 11.4V V-PP.
Output Current : 15mA for 5V & 35mA for 12V.
Color: Blue
Working voltage: 5-12V
Size: 25x 13 x 12 mm (LxWxH)
Minimum – 50% duty cycle, 3.7 Hz & Maximum – 98% duty cycle, 1.3KHz
SKU: n/a
