RE: RELAY MODULE KY-019 5V Postby tlfong01 » 2018-Jun-22 Fri 11:04 pm tlfong01 wrote: ↑ 2018-Jun-22 Fri 3:11 pm Now I am connecting Vcc to 3.3V and check out the Vin turn-on-relay and Vin turn-off-relay points. Now […]
latchup discussion
Top tlfong01 Posts: 1312 Joined: 2018-Jun-02 Sat 9:43 pm Location: Hong Kong RE: RASPBERRY PI + RELAY GPIO DONT WORK Postby tlfong01 » 2019-Jan-29 Tue 2:07 pm PhatFil wrote: ↑ 2019-Jan-29 Tue 10:17 am the relay … looks like one […]
pnp relay latchup
RE: RASPBERRY PI + RELAY GPIO DONT WORK Postby tlfong01 » 2019-Jan-29 Tue 9:46 am Dam_Fr wrote: ↑ 2019-Jan-29 Tue 7:54 am I put PIN “0” or “1”, relay stay ON, … […]
latchup discussion
RE: RELAY MODULE KY-019 5V Postby tlfong01 » 2018-Jun-13 Wed 3:44 pm I am testing a module with opto isolation and High/Low level selectable. I found that for one sample I tested. the required input […]
Latch up discussion
RE: RASPBERRY PI + RELAY GPIO DONT WORK Postby tlfong01 » 2019-Feb-07 Thu 10:38 pm tlfong01 wrote: ↑ 2019-Jan-29 Tue 9:32 pm Dam_Fr wrote: ↑ 2019-Jan-29 Tue 4:24 pm I have some […]
Latch Up References
Update 2019feb03hkt2157 – Latch Up References Latch–up – Wikipedia https://en.wikipedia.org/wiki/Latch–up A latch–up is a type of short circuit which can occur in an integrated circuit . More specifically it is the inadvertent creation of a low-impedance path between the […]
tlfong01.blog 