Sensor to distinguish between different types of pegs on a pegboard Ask QuestionAsked todayActive todayViewed 399 times4 I have a project that is essentially a pegboard with 4 different types of pegs. Each peg fits […]
FeeTech SC Servo notes
Also are you using your original HC126 cct with enable/disable TxD/RxD, or your new version with Rpi 3V3/5V0 level shift up? My cct does not sue any GPIO to pull up HC03 […]
FeeTech SCS Servo Protocol Library
@AdrianMaire Ha, I have not thought about it too carefully. I simple mindedly thought that higher clock speed means less time each instruction. So 2GHz CPU should run instructions two times faster […]
FeeTech SCS15 servo notes
tlfong014137Tue 22:14For example，TxD is connected to input of a D Flip/Flop. When TxD start bit comes, D F/F Q will enable TxD, and ~Q disable RxD. I did not go further, otherwise […]
Capacitive moisture sensor not quite working
Capacitive moisture sensor not quite working Ask QuestionAsked 3 days agoActive todayViewed 125 times41 I have spent the past few days trying to reverse engineer a capacitive moisture sensor I ordered from eBay a while ago. […]
moisture sensor notes
Capacitive moisture sensor not quite working Ask QuestionAsked 2 days agoActive todayViewed 107 times41 I have spent the past few days trying to reverse engineer a capacitive moisture sensor I ordered from eBay a while ago. […]
Capacitive moisture sensor not quite working
Capacitive moisture sensor not quite working Ask QuestionAsked 2 days agoActive todayViewed 99 times41 I have spent the past few days trying to reverse engineer a capacitive moisture sensor I ordered from eBay a while ago. […]
Capacitive moisture sensor not quite working
Capacitive moisture sensor not quite working Ask QuestionAsked 2 days agoActive todayViewed 94 times41 I have spent the past few days trying to reverse engineer a capacitive moisture sensor I ordered from eBay a while ago. […]
ULN2003/2803 notes
Feeds12:051A: Can I use a ULN2003A IC as many transistor switches? Question Can I use ULN2003 to switch 5V relays which in turn switch 220VAC loads? Answer No problem at all. Your ULN2003 […]
Capacitive moisture sensor not quite working
Capacitive moisture sensor not quite working Ask QuestionAsked 2 days agoActive todayViewed 89 times41 I have spent the past few days trying to reverse engineer a capacitive moisture sensor I ordered from eBay a while ago. […]
tlfong01.blog 