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I'm trying to download file from FTP server using SIM800, but after sending AT+FTPGET=1-> modem returns +FTPGET:1,64.
Details:
Modem: SIM800
SIM card: Vodafone
FTP Server: ftp.drivehq.com
GPRS is working with this SIM card (I have checked it via TCP data send)
FTP server is also working, I...
I'm trying to write into SPI Flash IC using Quectel MC60 openCPU.
I'm writing some data to a particular address and then I'm trying to read from the same, But I'm always getting all the bytes 0xFF.
-> Yes. I have Erased that particular sector before.
-> I'm successfully getting correct ID...
Hello,
I'm using LM2596 for the power supply of SIM800 GSM module.
LM2596 is stepping down voltage to 3.8V. I have attached schematic diagram of it.
It is working good if I use 12V-5A SMPS as power source. But when I use other supply like 24V-2A, LM2596 burns out while SIM800 is registering on...
I'm trying for multiple channel TRIAC AC dimmer using ATmega32.
MCU : ATmega32
TRIAC : BT136
Optocoupler : MOC3052
I'm taking zero crossing input as INT to ATmega32 and based on zero crossing detection trying to fire Triac. Dimming is working very well for both resistive and inductive load...
I want to see the traffic(data communicating) between Modbus master and slave devices on PC (Serial Terminal or any Modbus software).
When I tried to connect Master to PC, I can able to see data communicating between them on Modbus Slave software. And I also tried to connect Slave to PC, can...
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