| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
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| Price /Unit | $17.81 | $17.44 | $16.90 | $16.17 | Contact US |
AD1955 DAC V3.0 New Audio Decoder Board Support 24Bit 192K DSD128 with JRC5534x4 + LM4562NAx1 Op Amps
$31.03
AD1955 DAC V3.0 New Audio Decoder Board Support 24Bit 192K DSD128 with JRC5532x3 Op Amps
$29.09
GP1247 253x63 VFD Display Module Dot Matrix Display VFD Matrix Display Module Removed from Car Radio
$19.76
Description:
- HD0031 is a contactless smart card reading and writing module based on is014443a protocol. It adopts original NXP card reading chip and built-in antenna, with stable performance.
Feature:
- Ultra small shape, supporting low-power operation.
Specification:
- Support cards: fm11rf08, ultralight, Mifare mini, Mifare 1K, Mifare 4K
- Interface: TTL level serial port.
- Working voltage: 3.3V, port withstand 5V.
- Power consumption: the working current is less than 45mA, and the sleep current is less than 10uA
- Outline: 38 * 38 * 3mm
- Card reading distance: greater than 50mm.
Interface definition:
1-VDD The power supply is positive.
2-Wake up input. Low level wake-up.
3-TXD Serial port send output.
4-RXD Serial port receives input.
5-Card detection output. When a card is detected, a low level is output.
6-GND The power supply is negative.
