2Pcs NRF24L01+PA+LNA RF Wireless Transceiver Module with SMA Antenna 2.4G 1100m & Wireless Module with Breakout Adapter On-Board 3.3V Regulator
NRF24L01+PA+LNA Wireless Transceiver Module is a 2.4GHz ISM band transceiver, compatible with Raspberry Pi. Auto-acknowledge and auto-retransmit abilities.
Support up to six channels of data reception.
the transceiver come with power amplifier and SMA antenna, which make the effective communication distance has been greatly expanded..
A host microcontroller can communicate and configure the nRF24L01+ over a 4-pin Serial Peripheral Interface (SPI). The configuration registers are accessible through the SPI connection. Configurable parameters include frequency channel (125 selectable channels), output power, and data rate (data rates: 250kbps, 1Mbps, and 2Mbps)..
RF24L01+ Breakout Adapter: Small power on SMD LED indicator, On-board 3.3V voltage regulator, which accepts +5V power supply input and provides 3.3V for the attached "nRF24L01+" module..
Applications:It can be wildly used in wireless remote control such as RC planes/vehicles, wireless audio, wireless voice transmission such as VoIP, wireless networks, smart home,somatosensory devices, RFID, NFC etc..
Package Included:2 x NRF24L01+PA+LNA Wireless Transceiver Module+2 x SMA Antenna+2 x NRF24L01+ Breakout Adapter.
DollaTek SIMCOM SIM900 GSM GPRS Quad-Band Modules 2G Development Shield Board for R3 Mega with Antenna
Quad-Band 850/900/1800/1900 MHz - could work on GSM networks in all countries around the world, work with Uno Mega.
Embedded TCP / UDP stack - allows you to upload data to a Web server | RTC supported | selectable serial port | Jac speakers and headphones.
Note: This is a new version (64M version), SMS support MMS: Multimedia message and Short Message Service - so it is possible to send small amounts of data over the network (ASCII or raw hexadecimal).
The shield allows you to get SMS, MMS, GPRS and audio via UART by sending AT commands (GSM 07.07, 07.05 and SIMCOM enhanced to commands). The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module (They are all 2V8 logic) present on board..
Application: M2M (Machine 2 Machine) Applications.Remote control of appliances.Remote Weather Station or Wireless Sensor Network.Vehicle tracking system with a GPS module.Good to learn GSM / GPRS mobile phone development, control development of remote equipment, wireless meter reading, smart appliances, ultra long distance control, etc..
AITRIP 5 pcs HD44780 1602 LCD Display Module DC 5V 16x2 Character LCM Green Blacklight for Arduino Also Compatible with Raspberry Pi STM32 DIY Maker Project(Without Adapter Chip)
Easy to use: less I/O ports are occupied, only 4, VCC, GND, SDA (serial data line), SCL (serial clock line).
Use the i2c protocol to reduce the occupation of I/O ports, making it easier to add to the project, and less wiring is more beautiful.
Suitable for: compatible with all current development boards, for Raspberry pi, Tinker board, Nanopi, Banana pi, stm32 and so on.
With a potentiometer applied to adjust backlight (color: blue) and contrast.
Commonly applied in: internet of things, DIY project, home animation, smart building, maker's DIY project.
Size: 80 x 35 x 11 mm, mini size is easy to carry and store.
DTECH USB to TTL Serial 3.3V Adapter Cable TX RX Signal 4 Pin 0.1 inch Pitch Female Socket PL2303 Prolific Chip Windows 10 8 7 XP Vista (6ft, Black)
6 ft USB to TTL serial adapter (with 4 pin 0.1” pitch female header socket) connects devices with 3.3 V logic level UART signals interface to a laptop via USB port.
A genuine PL2303TA chip module is housed in USB 2.0 type A male terminal for wider compatibility and supports reliable data transfer rates.
6 feet USB to TTL serial cable 3V3 (4 way output flying leads ) provides access to UART (transmit) Tx, (receive) Rx, VCC (5V) and GND.
PL2303 Prolific chipset on the PCB board has configurable internal EEPROM and UART signals can be individually inverted by configuring the EEPROM.
4 pin 3.3V USB to TTL converter cord Compatible with Windows 10, 8, 8.1, 7 (32, 64-bit), 2008/XP/Vista/CE.
ideal USB 2.0 debug cord for Vendor ID re-write, router, GPS, set top box, transmitter, flash firmware on hard drive, etc..
AOICRIE 4pcs Dfplayer Mini MP3 Player Module Compatible with R3 for Voice Module DIY DFPlayer Mini Voice Decode Board Support TF Card and U Disk IO/Serial Port/AD for arduino DIY Kit
The DFPlayer Mini is a small and low cost MP3 module player with an simplified output directly to the speaker. The module can be used as a stand alone module with attached battery, speaker and push buttons or used in combination with an or any other with RX/TX capabilities..
The DFPlayer perfectly integrates hard decoding module, through a simple serial port, which supports common audio formats , you can play the designated music without any other tedious underlying operations. The module perfectly integrated hardware decode MP3, WAV, WMA..
The software supports TF card driver, maximum support 32G of the TF card.
IO control mode, serial mode, AD key control mode are available to choose. A variety of applications such as Vehicle navigation voice, multichannel voice alarm, automatic alarm for equipment failure, timed broadcasting.radio spots language function, you can pause the background music being played. Advertising finished playing background sound continues to play back..
4Pcs MAX7219 8 Digit 7 Segment LED Tube Display Control Module for MCU/51/AVR/STM32
MAX7219 is an integrated serial input / output common-cathode display driver, which connects your microprocessor to a 7-segment digital LED display with 8 digits.This module is compatible with 5V and 3.3V microcontrollers, and you you can use it.
Material: PCB+Electronic components, LED color: Red.
Only three IO ports are used to drive the eight digit display. MAX7219 supports flicker free displays as well as cascading displays. PCV board four corners of the fixed copper stud, which can effectively precent short circuit accidents happen..
Wiring instructions (take the provided program as an example, you can pick any IO port definition can be modified in the program): VCC to 5V, GND to GND, DIN to P00, CLK to P02, CS to P01.
Digital tube is 0.36 inch 4-bit integrated cathode digital tube.
Note: VCC and GND should not be connected reversed, so as not to burn the chip.
51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines..
A convenient four-wire serial interface can connect all common microprocessor. Each data can be addressed in the update without rewriting all displays. MAX7219 also allows the user to select each data encoding or no coding..