Top Module Interface Board Reviews

SparkFun XBee Explorer Dongle - Red

UART communication board, XBee interface, USB interface.
XBee USB Adapter is a UART communication board which supports XBee connectivity, features UART interface, USB interface, and onboard buttons/LEDs,....
Test XBee modules: onboard buttons/LEDs for easy testing. Program/Configure XBee modules: make it easy to program/configure the XBee modules....
USB to UART module: features CP2102, provides UART interface and power output interface, connect it to your system easily.
Note:The XBee/ZigBee modules and Core2530 (B) in the photos are NOT included..

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Wifi Relay Module, 5V ESP8266 Dual Channel WiFi Relay Module IOT Smart Home Phone APP Remote Switch

2 WORKING MODES---Mode 1: The phone is directly installed on the WiFi module.
Mode 2: Equipped with a mobile phone and WiFi module on the router.
Additional features: It can also be used as a USB relay when the ESP-01 is pulled out.
TRANSMISSION DISTANCE---In an open environment, when the mobile phone is installed on the WiFi module, the maximum stable transmission distance is 100M. When the WiFi module and the mobile phone are simultaneously carried on the router, the transmission distance depends on the signal strength of the router.
SMARTCONGIG TECHNOLOGY---Use smartcongig technology to complete the account and password configuration on the APP ESP-01 WiFi module on the mobile phone, and configure the username and password memory functions.
SHORT RESPONSE TIME---On-board 5V,10A250V AC 10AV30V DC relay, which can continuously pull 100,000 times, with diode discharge protection and short response time. Onboard ESP-01 WiFi module and high performance microprocessor STM8S103.
OTHER EQUIPMENT---Board mode selection and real-time working status indicator. Reserved UART debug interface and STM8 SWIM program download interface.

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Weewooday 15 Pieces 5V Relay Module 1- Channel Relay Control Boards with Optocoupler Isolation High and Low Level Trigger Expansion Board

Relay module: this relay board supports high and low level trigger and can be controlled by any 5V digital output of the microcontroller.
Parameter details: maximum load of normally open interface: AC 250v/ 10A, DC 30v/ 10A, trigger current is 5mA.
The 5v relay control board adopts SMD optocoupler isolation, which has strong driving ability and stable performance.
Practical design: with fault-tolerant design, the relay module will not operate even if the control line is disconnected.
All interfaces can be provided through directly connected terminal s since the humanized interface design, it is very convenient to use.
High compatibility: the relay module can be directly controlled by the 5V logic signal provided by the microcontroller, suitable for 8051, Raspberry Pi, PIC, DSP, ARM, AVR, MSP430, TTL logic, etc..
Wide application: this 5V relay board can be applied with Raspberry/ CNC machine/ ARM/ PIC/ AVR/ MCU/ PS4 and more.

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SparkFun MicroMod LoRa Function Board - 1W 915M30S LoRa Module Frequency Range: 900 - 931MHz Transmit Power 28.5 - 30dBm (max) Modulation LoRa, FSK, GFSK, MSK, GMSK, OOK Antenna Impedance: 50Ω

The 1W LoRa MicroMod Function Board adds LoRa capabilities to your MicroMod project. It is intended to be used in conjunction with a MicroMod processor board and a MicroMod main board, which provides the electrical interface between a processor board and the function board(s)..
Utilizing the 915M30S LoRa module from EBYTE, which is a 1W (30dBm) transceiver based around the SX1276 from Semtech. There is a robust edge mount RP-SMA connector for large LoRa (915MHz) antennas.
with modification, a U.FL connector is also available. We've successfully tested a 12 miles line-of-sight transmission with this module (user results may vary)..
Board Features: M.2 MicroMod Edge Interface, Keyed Screw Slots, RP-SMA Antenna Connector, Configurable U.FL Antenna Connector. MicroMod Peripherals Used: 5V Power.
1W 915M30S LoRa Module Features: Based on SX1276 chipset from Semtech.
modulation: LoRa, FSK, GFSK, MSK, GMSK, OOK.
Data Rate: FSK: 1.2 - 300kbps, LoRa: 0.018 - 37.5kbps.
Note: A MicroMod Processor, Main Board, and antenna are not included with this MicroMod LoRa Function Board. These parts will need to be purchased separately.

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ARCELI ESP-12E ESP8266 UART WiFi Wireless Shield Compatible with Arduino UNO R3

Standard pin interface to achieve full compatibility with the pitch Arduino Uno, Mega and so on. (Unless the standard size arduino, such as Nano, Mini).
3.3V power supply using advanced chip (with the official expansion board power chip CC3000 same), so 3.3V Arduino board provided more accurate, so ESP8266 as official cc3000 chip work as normal, there is no gap..
It leads to a WiFi module power supply / service interface to facilitate developers to extend the power supply and maintenance..
Onboard ESP8266-12 stable industrial grade serial WiFi module, using an enhanced PCB antenna, signal better..

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DollaTek 5V ESP8266 Four Channel WiFi Relay IOT Smart Home Cellphone APP Remote Control

On board high quality MCU and ESP-01WIFI module Two working mode : Mode 1:cellphone carry on wifi module directly Mode 2:cellphone and wifi module carry on router together Additional function :work as USB module when disconnect ESP-01 module.
Transmission distance: (1) the open environment, the mobile phone when carrying on the WIFI module maximum transmission distance of 100 m.
(2), when the WiFI module and cell phone carrying on the router at the same time the signal transmission distance depends on router signal.
Use the Smartconfig technology to complete the configuration of the account and password of the esp-01 WIFI module on the mobile APP. The configured account and password will be memorized after power off.
The board contains 5V,10A/250V AC 10A/30V DC relay, which can continuously absorb 100,000 times, with the protection of diode current and short response time..
With mode option and working statue LED indicator.With 4 isolator and strong anti interference ability.Reserved UART debug interface and MCU download port for program.

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Beaster Voice Recognition Module with Microphone Dupont Jumper Wire Speech Recognition Voice Control Board for Arduino

This product is a speaker-dependent voice recognition module. It supports up to 80 voice commands in all..
This board has 2 controlling ways: Serial Port (full function), General Input Pins (part of function). General Output Pins on the board could generate several kinds of waves while corresponding voice command was recognized..
Digital Interface: 5V TTL level for UART interface and GPIO.
Analog Interface: 3.5mm mono-channel microphone connector + microphone pin interface.

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SainSmart Genmtisu GRBL Controller Board for CNC Router Machine 3018-PROVer/ 3018-PROVer Mach3/ 3018-MX3

This controller board is compatible with Genmitsu CNC 3018-PROVer. If you have already had the Genmitsu CNC Router 3018-MX3/ 3018-PROVer Mach3, this controller board can help you turn Mach3 control to GRBL control..
Applicable Software: Grblcontrol (Candle), LaserGRBL, and other software that supports GRBL firmware, GRBL firmware version V1.1f..
USB interface communication, support 3-axis engraving, and laser module..
Input interface: X Y Z limit (HOME) interface, Z-axis tool return to zero, emergency stop switch interface, GRBL offline controller interface..
All control signals are isolated by optocoupler and have strong Anti-interference ability.

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Treedix Mini Pocket AVR Programmer Reset Reprogrammed Module Bootloader BootRescure Compatible with Arduino Controller Board

Development board production tool, no other equipment or compiler necessary, Abnormal status recovery bootloader, DIY development board writing bootloader..
Used to reprogram the Arduino BootLoader to the microcontroller chip..
Easy to program through the ICSP (In-Circuit Serial Programming) interface. Just directly plug it onto the ICSP interface to complete the bootloader..
This module can be connected to the ICSP interface, which is the 6 pin headers terminal on the Arduino controller board, which match 5V, MISO, MOSI, SCK, GND and RESET..
Compatible with Arduino UNO/UNO Wifi/Nano/Ethernet/Pro/Pro mini/Duemilanove/Diecimila/Mega/Mega 2560/Mega ADK/Leonardo..

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ACEIRMC ESP32-CAM WiFi + Bluetooth Module WiFi ESP32 CAM Development Board with Camera Module OV2640 2MP + FT232RL FTDI USB to TTL Serial Converter + 20 pin Jumper Wire

ESP32-CAM WiFi + Bluetooth Module WiFi ESP32 CAM Development Board with Camera Module OV2640 2MPcompatible for Arduino, Support Image WiFi Upload and TF Card.
Bluetooth: Bluetooth 4.2 BR/EDR and BLE standard.
Camera WiFi + Bluetooth Module 4M PSRAM Dual-core 32-bit CPU Development Board with OV2640 2MP Camera Module + FT232RL FTDI USB to TTL Serial Converter + 20 pin Jumper Wire.
FTDI USB Serial Adapter comes with the FT232RL chip and uses both 3.3V and 5V operating voltage. Adapter Logic-level can be set via jumpers on the board, which makes simple to connect to your controller. USB power has over current protection, using 500MA self-restore fuse..
This module supports interfaces such as UART / SPI / I2C / PWM / ADC / DAC.

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PC Interface Controller

【One-year after-sale warranty】The PWM to voltage module converts PWM digital signals to 0 to 10V analog signals. It can be used to switch the signal interface of PLC or other industrial control board. Adjust the output voltage by adjusting the PWM duty cycle. The module is small in size and easy to apply in different places.003cbr003e.
Using MCU embedded technology. Easy to operate, can be fine-tuned by potentiometer.003cbr003e.
Select the PWM signal input level range by short circuit. The module is small, easy to carry and easy to use.003cbr003e.
(current greater than 100mA)，PWM signal receiving frequency range: 1KHZ-3KHZ.
When power on for the first time, it is best to do a calibration and debugging: find a signal with a 50% duty cycle and connect it to PWM and GND. Jumper caps set the corresponding voltage range. When the frequency is 1KHZ-3KHZ, use a multimeter to measure the two ports of VOUT and GND. At this time, the meter displays about 5V. Adjust the potentiometer on the board so that the multimeter displays 5.00v.003cbr003e.

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ACEIRMC 4pcs Si7021 GY-21 SHT21 HTU21 Digital Humidity Temperature Sensor Module Replace SHT11 SHT15

The humidity and temperature sensor board that carries a digital SHT21 humidity and temperature sensor from Sensirion..
Si7021 GY-21 Module Industrial High Precision Humidity Sensor I2C IIC Interface Module For Arduino Low Power CMOS IC Module.
It has a 4-pin interface that can communicate directly with the analog pins.
It can be used as a hardware- and software-compatible drop-in upgrade for existing RH/temperature sensors in 3x3 mm DFN-6 packages, featuring precision sensing over a wider range and lower power consumption..
The Si7021 offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms..

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Aoicrie 5Pcs DC 5V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible Development Board Trigger

This Relay Board Maximum load: AC 250V/10A, DC 30V/10A With power and relay action indicator.each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground..
Main Specification Peak Load of NO Connector: AC 250V/10A, DC 30V/10A.
These Relay Board use photocoupler isolation that has strong driving ability and stable performance.The isolation circuit prevent damages to I / O port by relay switch current.The module has a jumper so you can set rather the unit state changes with high or low signal. Has screw terminals for relay (NC,C,NO) and for input.
Using SMD optocoupler isolation, strong driving capability, stable performance.Fault tolerant design, even if the control line is broken, the relay will not operate.
And interface design humanized, all the interface can be directly connected through the terminal lead, so convenient..
Wide Application These 5V relay board works well with for ARM /PIC /AVR /MCU/Raspberry/CNC machine /etc..

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