Cytron Technical Forum

hi! wanna ask.
im planning to control motor wirelessly via visual basic. the VB program and C language has been tested and they r working well

so bought sk40c from cytron. im planning to connect the xbee to the UART pins on the sk40c
so i wanna ask.
what is the output voltage from the TX pin of the sk40c?
can i connect the TX pin directly from SK40C to Xbee? FYI, im using Xbee series 1

2nd question. im to connect L293D to the sk40c to control 6V rated motor
in my L293D, i have problem connecting the Vs pin on L293D.
where should i tap the source in SK40C to connect to Vs pin on L293D?

malayman91 WROTE:hi! wanna ask.
im planning to control motor wirelessly via visual basic. the VB program and C language has been tested and they r working well

so bought sk40c from cytron. im planning to connect the xbee to the UART pins on the sk40c
so i wanna ask.
what is the output voltage from the TX pin of the sk40c?
can i connect the TX pin directly from SK40C to Xbee? FYI, im using Xbee series 1

2nd question. im to connect L293D to the sk40c to control 6V rated motor
in my L293D, i have problem connecting the Vs pin on L293D.
where should i tap the source in SK40C to connect to Vs pin on L293D?

SK40C is 5V logic IO, while Xbee is 3.3V logic IO. We recommend to use SKXBEE-BOARD.
Vs (pin 8) on L293D is a voltage for motor, since you use 6V rated motor, you need to connect to 6V. But SK40C doesn't provide 6V. There have several method:
1) Use 6V Voltage regulator, but doesn't provide much current.
2) Connect to Vin, and limit the maximum voltage (6V) using PWM.

Idris WROTE:

malayman91 WROTE:hi! wanna ask.
im planning to control motor wirelessly via visual basic. the VB program and C language has been tested and they r working well

so bought sk40c from cytron. im planning to connect the xbee to the UART pins on the sk40c
so i wanna ask.
what is the output voltage from the TX pin of the sk40c?
can i connect the TX pin directly from SK40C to Xbee? FYI, im using Xbee series 1

2nd question. im to connect L293D to the sk40c to control 6V rated motor
in my L293D, i have problem connecting the Vs pin on L293D.
where should i tap the source in SK40C to connect to Vs pin on L293D?

SK40C is 5V logic IO, while Xbee is 3.3V logic IO. We recommend to use SKXBEE-BOARD.
Vs (pin 8) on L293D is a voltage for motor, since you use 6V rated motor, you need to connect to 6V. But SK40C doesn't provide 6V. There have several method:
1) Use 6V Voltage regulator, but doesn't provide much current.
2) Connect to Vin, and limit the maximum voltage (6V) using PWM.

this is very helpful mr idris
i'll give a shot then.