Hardware Information
Geekcreit® USB To RS485 TTL Serial Converter Adapter FTDI Interface FT232RL 75176 Module
Description:
Standard: USB2.0 standard, backward compatible, in line with the standard RS485
Direction control: the use of automatic data flow control, auto distinguish and control data transfer direction
Baud: 300-9216000bps, automatically detecting the serial signal data rate
Load capacity: support multipoint, each converter allows RS485 interface device to connect 32
Interface Protection: TVS tube protection, USB self-recovery protection
Size: Approx. 76 x 18.5 x 16mm
Package included:
1 x Serial Converter Module
Quellen/Source:
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- www.banggood.com
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Description:
The 915MHz antenna needs to be in connection with the IPEX interface (if the antenna is not connected, it may damage the LoRa chip)
Lithium battery charge and discharge circuit, when the battery is full, the blue LED will stop working. When using, pay attention to the positive and negative of the battery, otherwise it will be damaged!
With IO port touch screen touch signal input, you need to add the 100nF pull-down capacitor to this pin!
Note:This product does not include the battery. Add a comment
FTD1232 - USB to TTL Serial Adapter - 3.3V and 5V Operation
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DTR: Data Terminal Ready - an output used for flow control
RX: Serial data Receive pin
TX: Serial data Transmit pin
VCC: Positive voltage output - this is controlled by the jumper. If the jumper is set to 5V, this will provide a 5V output. If the jumper is set to 3.3V, this will provide a 3.3V output.
CTS: Clear To Send - an input used for flow control
GND: Ground or 0V
For most uses, you can simply connect the following pins:
- RX on this board to the TX pin on your device
- TX on this board to the RX pin on your device
- GND on this board to GND on your device
The VCC pin is ideal for powering small devices such as homemade circuits. This pin should not be connected when a device has a separate power supply as this may damage both devices.
Quellen/Source:
- ftdichip.com - Drivers
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NanoVNA V2 |
- Silver Load - golden Short (with Pin) - and open (no Pin) |
Videos:
- youtube | Andreas Spiess | #359 How to properly use a NanoVNA V2 Vector Network Analyzer & Smith Chart (Tutorial)
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- youtube | IMSAI Guy | #350 NanoVNA Vector Network analyzer 900MHz VNA
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- youtube | joe smith | The NanoVNA, a beginners guide to the Vector Network Analyzer
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- youtube | Andreas Spiess | #191 Optimizing Antennas using a cheap N1201SA VNA (Vector Impedance Analyzer), LoRa, Review
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Quelle:
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- NanoRFE - NanoVNA V2
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Subcategories
Router Article Count: 19
Switch Article Count: 1
NAS / SAN Article Count: 4
Gadgets Article Count: 33
Gadget (englisch für Apparat, technische Spielerei oder auch Schnickschnack) bezeichnet ein technisches Werkzeug oder Gerät mit bisher so nicht bekannter Funktionalität und/oder besonderem Design. Es ist traditionellerweise klein und handlich und zum Mitführen konzipiert. Eine große Rolle spielt der Spaßfaktor eines Gadgets: Geräte, die sich als Gadget definieren, sind oft Grenzgänger zwischen sinnvoller Funktionalität und Verspieltheit.Der Duden definiert Gadget als „kleiner, raffinierter technischer Gegenstand“.
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