CH340C-Half-Duplex
author: serisman
2 layer board of 0.77 x 0.46 inches (19.5 x 11.6 mm)
Uploaded:
June 07, 2018
Shared:
June 07, 2018
Total Price:
$1.70
CH340C USB-to-Serial TTL Half-Duplex - v1.0
$0.566 each ($1.70 for 3)
NOTE: Design has been tested and works properly
Suggested BOM:
- J1: SMT USB A
- J2: THT 4-Pin header 2.54mm pitch
- SW1: SMT 7-pin slide switch
- U1: SOIC-16 - CH340C
- U2: SOT-23 - XC6206 (662k) 3.3v LDO regulator
- Q1: SOT-23 - 2N7002 N-Channel mosfet
- D1,D2: 0805 - RX/TX LEDs
- D3: SOD-323 - 1N4148WS diode
- C1,C2,C6: 0805 - 100nF capacitors
- C3: 0805 - 10uF capacitor
- C4,C5: 0805 - 1uF capacitors
- R4: 0805 - 1k resistor
- R5: 0805 - 4k7 resistor
https://bitbucket.org/serisman/pcb-ch340c-half-duplex
CH340C USB-to-Serial TTL Half-Duplex - v1.0
$0.566 each ($1.70 for 3)
NOTE: Design has been tested and works properly
Suggested BOM:
- J1: SMT USB A
- J2: THT 4-Pin header 2.54mm pitch
- SW1: SMT 7-pin slide switch
- U1: SOIC-16 - CH340C
- U2: SOT-23 - XC6206 (662k) 3.3v LDO regulator
- Q1: SOT-23 - 2N7002 N-Channel mosfet
- D1,D2: 0805 - RX/TX LEDs
- D3: SOD-323 - 1N4148WS diode
- C1,C2,C6: 0805 - 100nF capacitors
- C3: 0805 - 10uF capacitor
- C4,C5: 0805 - 1uF capacitors
- R4: 0805 - 1k resistor
- R5: 0805 - 4k7 resistor
https://bitbucket.org/serisman/pcb-ch340c-half-duplex
