This product is discontinued, we have 3 new versions: Mini 125Khz RFID Module - Pre-Soldered Antenna (35mm Reading Distance), Mini 125Khz RFID Module - Pre-Soldered Antenna (35mm Reading Distance), and 125Khz RFID module - UART for your reference.
This RFID module is designed for reading code from 125Khz card compatible read-only tags and read/write card. It will notify whenever 125Khz tag approaches, the tag serial number will be send via TX pin or Wiegand pin. Super small size design, it is widely applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems etc.
Small Outline Design
UART TTL Interface
Maximum Effective Distance Up To 70mm
Support EM4100 Compatible Read Only or Read/Write Tags
Working Frequency: 125Khz
Baud Rate: 9600
Interface: TTL or Wiegand26
Working Voltage: DC 3.3V - 5V
Working Current: 19mA - 25mA
Reading Distance: Max.70mm
Working Temperature: -10℃ to +70℃
Storage Temperature: -20℃ to +80℃
Humidity: 0% - 95%
Antenna Dimension: 60 x 35 x 2.5mm
Antenna Inductance: 388uH
PCBA Dimension: 18 x 13 x 3.7mm
The pinout is contained in the header file starting at line 30.
You need to add a SD module to record sound date.
Is it possible to get a list of what the pins are for on this?
S,L,B and G are not mentioned in the code on the github.
Hi We have updated the wiki and please have a try again. And if the ratio is still very high, please confirm that the two potentiometers keep the default setting and show me some more data for a while.
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