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TP5100 2A Lithium...
Rp. 12.000 Rp. 10.000
tested dengan 3 , blm pernah test pakai kartu lain, tegangan 5.33V dengan ELCO 3300uF
test dengan arduino uno sebagai usb to serial, jika test dengan hardware serial (langsung tx,rx) maka coba dengan software serial
//UNO ->SIM900A
//12 -> 5VT
//13->5VR
//GND->GND
//cek sinyal AT+CSQ
#include <SoftwareSerial.h>
SoftwareSerial SoftSerial(12, 13);
char c = ' ';
void setup()
{
Serial.begin(9600);
Serial.println("Arduino is ready");
SoftSerial.begin(9600);
void loop()
{
if (SoftSerial.available())
{
c = SoftSerial.read();
Serial.print(c);
}
if (Serial.available())
{
c = Serial.read();
SoftSerial.write(c);
}
}
Sebelum Anda menggunakan antarmuka RS232, silakan menghubungkan empat pin sebagai ditunjukkan di bawah ini.
Anda dapat menghubungkan module sim900 dengan PC menggunakan USB-RS232moudule seperti yang ditunjukkan di bawah ini.
Perlu di perhatikan power adalah 3.7 - 4v minimal 2A
Anda dapat menghubungkan modul sim900 dengan PC menggunakan moudule USB-TTL seperti yang ditunjukkan di bawah ini.
Features:
The two edge feed assembly interface VCC5 5 V supply, VCC4 interface, 3.5-4.5 V power supply, optional Power On Self starting (default) and start control.
The ADM board (default) and antenna interface, interface SIM900A booked reset.
The size of the module is 49 * 50, all the new and original device.
The computer can give early computer USB debugging power module, a very large amount of data on the condition of the current recommended more than 1A. Sleep tens of mA data can be adjusted to provide dormancy, 10mA low power dormancy. Support 2, 3.4g mobile phone card.
The serial port system: support for 3.3 V single computer chip. TTL Serial port support
3.3 and 5 V single computer chip.
The SIM card circuit to increase smf05c ESD chip.
Circuit Antenna: short and warranty law, to ensure the signal strength.
PCB display screen printing brand: each interface, development practice twice, the SIM900 / hardware is completely follow the design when the design manual.
Two power interface: VCC5, 5V DC 1A above. Computer 5V power supply can be the beginning USB computer. DC circuit on long data greater recommended 5V1A.VCC4, 3.5-4.5 V supply, ibid., Suitable for lithium battery.
Pin control all tracks.
A ttl level compatible with 3.3 V and 5 V.
The two antenna interface, the default SMA head straight connector for antenna.
One way to interface speech, the way Mike interface.
The control interface of each pin description:
Gnd-gnd
SIM900A rxd, TTL level, can not be directly connected to the level 232
LMIS SIM900A txd, TTL level, can not be directly connected to the 232 level
Rst-sim900a reset, active low
VCC_MCU when SIM900A module and 5V TTL-level communication, This pin is connected to DC 5 V; When the level of communication and SIM900A 3.3 V TTL This pin is connected to DC 3.3 V.
VCC5 ---- DC 5V input.
VCC4 ------ input DC3.5--4.5
On board resources:
Serial circuit (with protection)
Circuit antenna interface (SMA female port elbow)
SIM circuit board (flip slot SIM)
4 * 3.5 Fixing hole 4 pcs
SIM900A serial output terminal
Specifications:
Size: 49mm x 47mm
Net weight: 28g
Weight: 38g
Package included:
1 x SIM900A Kit V4.0
1x power cable
1x antenna
Dokumentasi : https://cloud.mail.ru/public/1d76b4003e70/FZ1214-sim900.zip
