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ESP8266-01 Relay Board
₦ 7,750
This board is built specifically for the ESP8266 WiFi module. It allows you to control all kinds of devices over the Internet from the wildly popular ESP8266-01 Module. Simply power up and program the board.
- Board size: 45 * 28 mm
- Board function description:
- IN +, IN-: 5V power input;
- TX, RX, GND: Serial debug pin
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CH340 USB To ESP8266 ESP-01 ESP-01S Wi-Fi Adapter Board
₦ 6,250Description:
- USB to ESP-01 adapter module has CH340G USB to TTL driver IC onboard, so you can easily use your computer to do ESP-01 functional debugging.
- Its a great programmer for the ESP-01. Its very easy to just plug it in and send AT commands, or flip the switch to program and upload a sketch from Arduino IDE. Also you don’t need a separate 3.3V power supply to power the ESP-01.
Features:
- Working voltage: 4.5V – 5.5V (On-board 3.3v LDO Regulator)
- Working current: 300mA(LDO regulator can supply)
- Selectable working mode: On-board toggle switch. UART side for serial TTL debugging by AT commands, PROG for firmware programming
- USB to serial TTL chip: CH340G
- Logic level: 3.3V
- Applications: Home automation, Sensor networks, Industrial wireless control, etc,.
Package Included:
1 X CH340 USB to ESP8266 ESP-01 ESP-01S Wi-Fi Adapter Board
Other Comments:
- 1. The ESP-01 boards are super-simplified ESP8266 and these allow for flashing during development.
- 2. This little gadget makes programming the ESP 01s a breeze. It’s a must have for installing firmware.
- 3. Not at all my first programmer for these boards, but the easiest by a landslide! No buttons to hold down or wiring to do.
- 4. This worked, didn’t try the debug ger but the upload was flawless, very easy and it didn’t seem like it would break even when I stored it in tight confines. Please make sure to set your baud to at least 115200 yes the USB will work either way, but the extra speed will help you.
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Channel Digital Amplifier Board with Subwoofer Output
₦ 6,500This stereo amplifier is allows you to easily deliver a powerful sound up to 200W! And all you need to do is connect a transformer.
FEATURES
- Output power:80W+80W
- Output Impedance:4-8 Ohms
- Frequency range:20Hz-30kHz
- Microphone input
- SNR:100dB
- Number of channels:3 (left channel,right channel,subwoofer)
- Product size: about 13.2*14.2*6.1cm/5.2* 5.6*2.4inch
- Power Supply: AC +/-24V (>120w) ring transformer (Please use a high power transformer or DC power supply for best output.
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MP3 Decoder Board With Remote Control
₦ 3,500A highly integrated single-chip multimedia sound systems allows you to play MP3 files from a flash disk or SD card. It is also an FM player and can accept auxilliary input from a 3.5mm jack.
FEATURES
- Single decoding, Support the MP3 format music.
- Digital tube display
- Support the TF card.have the USB interface.
- Support FM radio, cable band (87.5MHZ-108.0MHZ);
- Support 5-10 meter distance infrared remote control operation
- Support for external audio input .LINE IN(AUX)
- key-press: VOL-/ AUTO / VOL+ / MODE;
- MODE key: in turn switches between USB/SD/FM/AUX.
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5V 30A Single Channel Relay
₦ 2,500This product is a 1-channel relay module board with LED indicators, It can be controlled by microcontrollers such as Arduino, AVR, PIC, ARM any other microcontroller operating at 5V.
With this relay you can easily control electrical appliances, lights, etc.
Features:
- 5V Operation
- The static current:5mA
- Working current:190mA
- Trigger current:2-4mA
Module interface specifications:
-
- DC+ : DC power supply positive pole
- DC- :DC power supply negative pole
- IN : signal triggering pin
- JD+ : relay control voltage positive
- JD- : relay control voltage negative
- It is an 1-channel relay interface board, which can be controlled directly by a wide range of microcontrollers.
- It is also able to control various appliances and other equipment with large current.
- Relay output maximum contact is AC250V 10A and DC30V 10A.
- Can be connected directly to microcontoller GPIO pins.
- Working status indicator lights are conducive to the safe use.
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ARM STM32F103C8T6 Development Board
₦ 9,500This board is low cost ARM Microcontroller development board – STM32F103C8T6. The board is suitable for learners and professionals alike who want the 32-bit power of ARM Coretex-M3 32-bit core.
Code for it can be written using MirkroC ARM, Keil MDK, Eclipse GCC, and many more.
Easily load code into the chip via UART (check out our USB-UART converter) //www.konga.com/usb-to-uart-5-pin-cp2102-module-serial-converter-1988801
You DON’T need a programmer, flash using //cdn2.starkled.com/content/uploads/2012/11/Flash_Loader_Demonstrator_v2.5.0_Setup.exe
Features
- On-board Mini USB interface, you can give the board power supply and USB communication.
- On-board test indicator LED
- On-board reset button and power indicator LED
- On-board 100ma 3.3V Regulator
- All GPIO are led out and the names of the pins are marked
- After soldering the headers, you can directly plug the board onto the breadboard
Technical Specifications
- CPU Part Number: STM32F103C8T6
- Core: ARM 32 Cortex-M3 CPU.
- Debug mode: SWD (can be programmed with ST-LINK V2)
- CPU Internal Maximum Clock : 72MHz
- External Clock Source: 8MHz crystal
- 64K flash memory, 20K SRAM
- 2.0-3.6V power, I/O
Programming Instructions
- Set Boot Jumper-0 to 1
- Set Boot Jumper-1 to 0
- Connect USB-TTL Converter’s TX to PA10 on STM Board
- Connect USB-TTL Converter’s RX to PA9 on STM Board
- Give 3.3V power to STM board using USB TTL converter
- Press and release reset button once
- Launch STM Flash Loader, Select Port Name (where your usb ttl converter is connected)
- Select Parity as Even, Baudate as 115200, Echo Disabled and Timeout 10s
- Press Next, and follow on screen instructions to program, erase or read STM microcontroller
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4 Channel 5V Relay Module
₦ 7,000This board is built specifically for the ESP8266 WiFi module. It allows you to control all kinds of devices over the Internet from the wildly popular ESP8266-01 Module. Simply power up and program the board.
- Board size: 45 * 28 mm
- Board function description:
- IN +, IN-: 5V power input;
- TX, RX, GND: Serial debug pin
Qucik View
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